anatomy prac 2 ayyy Flashcards

1
Q

dorsal branches of the spinal nerves supply ____ muscles

A

epaxial

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2
Q

ventral branches of spinal nerves supply ____ muscles

A

hypaxial

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3
Q

thoracic and lumbar nerves are _____ to their correspondent vertebrae

A

caudal

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4
Q

CNS 8 is _____ to cervical vertebra 7

A

caudal

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5
Q

the first pair of cervical spinal nerves emerge from where ?

A

the lateral vertebral foramen of the atlas

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6
Q

the vertebral artery, vein, and nerve pass through ______ of cervical vertebrae 1-6

A

transverse foramina

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7
Q

immediately caudal to the wing of the atlas and emerges between the cleidomastoideous and omotransversarius

A

2nd pair of cervical spinal nerves

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8
Q

Cranial nerve XI is also the what nerve

A

accessory spinal nerve

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9
Q

cranial nerve XI supplies what muscle

A

trapezius

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10
Q

the 2 major body cavities that are separated by the diaphragm

A

thoracic cavity

abdominopelvic

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11
Q

thoracic cavity dorsal boundary

A

T1-T13

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12
Q

thoracic cavity ventral boundary

A

8 sternebrae

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13
Q

thoracic cavity lateral boundary

A

13 pairs of ribs and 2 costal arches

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14
Q

diaphragm is what type of muscle

A

skeletal – under voluntary control

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15
Q

where to the lumbar right and left crura of the diaphragm attach

A

bodies of the 3/4th lumbar vertebrae

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16
Q

four diaphragm openings

A
  1. lumbocostal arches - not a true opening
  2. aortic hiatus
  3. esophageal hiatus
  4. caval foramen
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17
Q

aspiration of pleural fluid from the abdomen

A

thoracentesis

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18
Q

can be approached without risk to pleural cavity clinically

A

diaphragmatic line of pleural reflection

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19
Q

where the vena cava passes the diaphram

A

plica vena cava

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20
Q

clinical issue with diaphragm

A

diaphragmatic hernias

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21
Q

prevents frictional irritations in viscera

A

serous liquid filling serous cavities

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22
Q

3 serous cavities in the thoracic region

A

pleural (right and left)

pericardial

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23
Q

serous cavity in the abdomen

A

peritoneal

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24
Q

pleural effusions

A

liquid accumulation in thoracic cavity

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25
recesses/pockets of the pleural cavity
pleural cupula
26
4 "recesses"
1. costomediastinal 2. costodiaphragmatic 3. mediastinal 4. lumbodiaphragmatic
27
dorsal boundaries of the cervical visceral space
longus capitus and longus coli
28
ventral boundaries of the cervical visceral space
sternohyrodius | sternocephalicus
29
fibrous pericardium
dense connective tissue
30
parietal pericardium
internal lining
31
like a parasaggital wall that continues cranially as the cervical visceral space
mediastinum
32
contents of the cervical visceral space
``` trachea esophagus thyroid gland parathyroid gland recurrent laryngeal nerves tracheal lymph nodes carotid sheath with common carotid arteries, vagosympathetic trunk and internal jugular veins ```
33
endocrine gland located cranially to the sternum and is more developed in the young
thymus gland
34
functional blood supply of the lungs
pulmonary arteries and veins
35
nutritional blood supply of the lungs
bronchoesophageal artery | right azygos vein
36
has incomplete cartilaginous rings connected by annular ligaments
trachea
37
branches into bronchi
trachea
38
conducting system of respiratory system
trachea and bronchial tree
39
exchange portion of respiratory system
respiratory bronchioles -- alveolar ducts/sacs and alveoli
40
has a groove for vena cava to transverse the lungs
accessory lobe of the right lungs
41
first branch off ascending aorta into aortic arch
brachiocephalic trunk
42
second branch off of the aortic arch
left subclavian artery
43
supplies the cranial intercostal spaces and muscles of the neck
costocervical trunk
44
extends through transverse vertebral foramina to supply the brain
vertebral artery of the left subclavian
45
branches of the subclavian arteries
1. costocervical trunk 2. vertebral artery 3. superficial cervical artery 4. internal thoracic artery
46
supplies the superficial structures of the neck
superficial cervical artery
47
supplies ventral intercostal spaces and costal wall and continues as the cranial epigastric artery
internal thoracic artery
48
3 veins that do not have arterial counterparts
cranial vena cave caudal vena cava right azygos
49
vein that drains from the head
cranial vena cava
50
veins that drain from the thoracic wall
caudal vena cava and right azygos
51
relay sensory info TO the CNS
afferent
52
relay motor output FROM the CNS
efferent
53
T/F | interneurons are located entirely in the CNS
TRUUU
54
involuntary tissues
smooth muscle, cardiac muscles, glands
55
composed of both sensory neuron fibers and motor neuron axons
mixed nerve
56
T/F | all spinal nerves are mixes nerves
TRUE
57
what comes from the dorsal root
afferent axons of both somatic and visceral sensory neurons
58
comes from the ventral root
efferent somatic motor neuron axons
59
have a cell body located in the CNS, and the axon synapses onto a second autonomic neuron in autonomic ganglion
presynaptic ganglionic neuron
60
has a ganglion outside of the CNS and axon synapses on target tissue
postsynaptic ganglionic neuron
61
fight or flight
SNS
62
rest and digest
PSNS
63
releases adrenaline
SNS
64
releases acetylcholine
PSNS
65
comes from the craniosacral regions and synapse in ganglia located within the organs that they innervate
parasympathetic division
66
located on either side of the vertebral column and is comprised of comprised of post synaptic cell bodies
paravertebral chain
67
comes from thorocolumbar regions
sympathetic innervation
68
ganglion at the head level, not seen in lab
cranial cervical ganglion
69
three ganglia of the cervical region
cervicothoracic middle cervical cranial cervical
70
3 pre-vertebral ganglion
celiac cranial mesenteric caudal mesenteric
71
nerves that originate from the paravertebral chain and communicate with the pre-verbebral ganglia
splanchnic nerves
72
originate from the caudal mesenteric ganglion and is made of post-SNS axons that innervate viscera from the pelvic cavity
hypogastric nerves
73
made of pre-synaptic fibers within the carotid sheath
vagus nerve
74
issued by the vagus nerve within the middle mediastinum, they ascend the trachea to larynx and supply parasympathetic fibers
recurrent laryngeal nerves (r/l)
75
what does the right recurrent laryngeal wrap around
right subclavian artery
76
what does the left recurrent laryngeal wrap around
ligamentum arteriosum and the arch of the aorta
77
mixed nerves that give somatic motor innervation to the diaphragm
phrenic nerves
78
a very tough, fibro-serous membrane around the heart that is contained in the middle mediastinum
pericardium
79
continuation of the fibrous pericardium to the diaphragm
phrenicopericardial ligament * *sternopericardium in large animals - -restricts movement of heart
80
pericardium attached firmly to the heart
visceral (epicardium)
81
T/F | the parietal and fibrous pericardium can be easily separated
FALSE
82
azygos vein in fetus and sometimes ruminants
bilateral
83
side that azygos vein persists in carnivores and horses
right
84
side the azygos vein persists in ruminants and pigs
left
85
part of heart that consists of the left ventrical
Apex
86
Do pulmonary arteries carry oxygenated or deoxy blood
deoxygenated
87
Do pulmonary veins carry oxy or deoxy blood
oxygenated
88
blind sac of the heart
auricle
89
receives blood from systemic veins
right atrium
90
4 openings of the right atrium
coronary sinus caudal vena cava cranial vena cava atrioventricular orifice
91
diverts the blood from the cranial and caudal vena cavas into the right ventricle
intervenous tubercle
92
what strengthens the auricles
pectinate muscles that interlace each other
93
location of the fossa ovalis
caudal to the intervenou tubercle in the right atrium
94
separation of the main compartment and the auricle
crista terminalis
95
receives blood from right atrium
right ventricle
96
cords extending from the AV valve to the papillary muscles
chordae tendinae **prevent valve from flipping backward
97
sends blood to the lungs
right ventricle
98
myocardial ridges in the right ventricle as papillary muscles
trabeculae carnae
99
receives blood from the lungs
left atrium
100
mitral valve
left AV valve
101
which ventricle is thicker
left -- stronger to send blood throughout body
102
AV valve cusps
1. septal -- adjacent to septum | 2. parietal -- adjacent to outer ventricular wall
103
between Right ventricle and pulmonary vessels
pulmonary semilunar valve (has 3 cusps)
104
between left ventricle and aorta
aortic semilunar valve
105
origin of the left and right coronary arteries
aortic sinuses
106
base of heart points ____
dorsocranially
107
apex of heart points _____
caudoventrally
108
angle of heart in pupper
45 degrees
109
what is PAM
they are the three locations to listen to on the left side of the heart of points of max intensity P: pulmonic valve A: aortic valve M: mitral valve
110
point of max intensity on right
right AV valve
111
What are the PAM on dogs
left side ** P: 3rd intercostal space A: 4th intercostal space M: 5th intercostal space
112
where do you listen to the right av valve on a dog
4th intercostal space on right side
113
PAM on horses
P: 3rd intercostal space A: 4th intercostal space M: 5th intercostal space
114
right av valve listening on horse
between 3-4th intercostal space on right side
115
PAM on cows
P: 3rd intercostal space A: 4th intercostal space M: 4th intercostal space
116
Right av valve spot on cow auscultations
right hand side, between 3-4th intercostal space on right side
117
what was the fossa ovalis in a fetus
foramen ovale in fetus -- used as a passage to go straight from the right atrium to the left atrium and bipass the lungs
118
what was the ligamentum arteriosum in a fetus
ductus arteriosus -- used to shut blood from pulmonary artery to the aorta
119
persistant right aortic arch
congenital birth defect -- ligamentum arteriosum will wrap around the esophagus (connecting to the pulmonary artery) which constricts the esophagus and leads to megaesophagus and regurgitation **normally noticed when young switch from milk to solid foods
120
defect with patent foramen ovale -- "common atrium"
atrial septal defect
121
accumulation of fluid in the pericardial sac
pericardial effusion
122
genetic defect of abnormal myocardium so there are thin walls in the heart and lower contractility
dilated cardiomyopathy
123
on the right side of the lungs to drain fluid from the 4/5th intercostal spaces
cardiac notch
124
most common cardiac disease in cats | thicker than normal left ventricle
hypertrophic cardiomyopathy
125
common in king charles spaniel -- cause of heart murmurs and backflow of blood
mitral valve insufficiency
126
heartworm
from mosquitos -- they take up residency in the pulmonary arteries and it backs up into the heart's right ventricle
127
double layers of peritoneum that connect visceral to the dorsal or ventral body walls
mesenteries
128
abdominal cavity cranial border
diaphragm
129
abdominal cavity caudal border
pelvic inlet
130
abdominal cavity dorsal borders
vertebrae sublumbar muscles crura of the diaphragm
131
abdominal cavity lateral borders
ribs and intercostal muscles/arches -- interthoracic muscles of abdominal wall -- extrathoracic
132
abdominal cavity ventral border
rectus abdominus muscle
133
parts of the small intestine
duodenum jejunum ileum
134
parts of the large intestine
cecum | colon
135
3 accessory organs of the digestive system
gall bladder liver pancreas
136
divides the body and the pylorus of the stomach
angular incisure
137
condition in dogs, consisting of excessive dilation of the stomach followed by the twisting of the stomach around its longitudinal axis
gastric dilation volvulus -- normally large deep chested breeds
138
attachment of the root of the mesentery
abdominal wall near the 2nd lumbar vertebrae
139
what does the root of the mesentery contain in it??
cranial mesenteric artery and the mesentery
140
junction between the duodenum and ileum
duodenojejunal flexure
141
multiple coils that occupy the ventral abdominum
jejunum
142
suspended by the mesojejunum of mesentery
jejunum
143
in the dog does the cecum communicate with the ileum
no
144
communication between the ascending colon and the ileum in dogs
ileocolic orifice **NOT in horses!! they go ileocecal and cecocolic
145
communication between the ascending colon and the cecum
cecocolic orifice
146
ligament that attached spleen
gastrosplenic ligament
147
storage of red blood cells
spleen
148
number of liver lobes
6
149
2 processes of the caudate lobe of the liver
caudate and papillary processes
150
which kidney is typically more cranial
right
151
renal fossa
a notch in the caudate process of the caudate lobe of the liver that the RIGHT kidney sits in
152
stores bile that is produced in the liver
gall bladder
153
takes bile from liver to bile ducts
hepatic ducts
154
extension of neck of gall bladder
cystic duct
155
union of the hepatic and cystic ducts that opens at the major duodenal papilla
common bile duct
156
which lobe of the pancreas is within the mesoduodenum
right
157
which lobe of the liver is in the deep leaf of the omentum
left
158
where does the body of the pancreas lie
at the pylorus of the stomach
159
name of peritoneum on kidneys
retroperitoneum -- on one side of kidneys
160
connects the kidneys to the urinary bladder
ureter
161
when intestines protrude through the vaginal ring into the inguinal canal or scrotum
inguinal hernia
162
extension of peritoneum that protrudes through the deep inguinal ring
vaginal ring vaginal process -- females vaginal tunic -- males
163
pre-synaptic sympathetic coming off of paravertebral chain
rami communicans **unsure about this??
164
three unpaired branches of the aorta
celiac artery cranial mesenteric artery caudal mesenteric artery
165
three branches off the celiac artery
left gastric hepatic splenic
166
what does the left gastric supply
the lesser curvature of the stomach
167
hepatic artery branches
right gastric | gastroduodenal
168
hepatic artery also directly supplies what organ without further branching
the liver
169
what does the right gastric artery supply
lesser curvature of the stomach
170
branches off of the gastroguodenal artery
right gastroepiploic | cranial pancreaticoduodenal
171
what does the right gastroepiploic artery supply
greater curvature of the stomach
172
what does the pancreaticoduodenal artery supply
the pancreas and the duodenum
173
what does the splenic artery supply before branches
spleen
174
what are the branches of the splenic
left gastroepiploic artery | short gastric branch
175
what do the left gastroepiploic artery and short gastric branch of splenic artery supply
left gastro -- greater curvature of the stomach short gastric branch -- stomach
176
what does the caudal mesenteric artery divide into
left colic artery | cranial rectal artery
177
what does the left colic artery supply
the descending colon
178
what does the cranial rectal artery supply
rectum
179
what does the cranial mesenteric artery divide into
ileocolic artery -- "common trunk" caudal pancreaticoduodenal artery jejunal/ileal artery
180
what does the caudal pancreaticoduodenal artery supply
the pancreas and duodenum
181
what does the jejunal aa/ileal aa supply
jejunum and ilium
182
what doe common trunk/ileocolic artery branch into
middle colic artery right colic artery colic branch of the ileocolic artery cecal artery
183
what does the middle colic artery supply
descending and transverse colon
184
what does the right colic artery supply
transverse and ascending colon
185
what does the colic branch of the ileocolic artery supply
the ascending colon
186
what does the cecal artery supply before branching
cecum
187
what does the cecal artery branch in to
antimesenteric ileal artery
188
what does the antimesenteric ileal artery supply
ileum **NOT in horses
189
what supplies the liver
hepatic arteries
190
what supplies the spleen
splenic arteries
191
veins from paired organs drain into ____
caudal vena cava
192
veins from unpaired organs will drain into ___
hepatic portal vein
193
lymphatic vessels of the abdomen will drain into the _________ which is continued by the thoracic duct
cisterna chyli
194
dual innervation to organs helps to maintain what?
homeostasis
195
axons leaving the mesenteric (pre-vertebral) ganglia distribute _________ innervation to viscera
post-ganglionic sympathetic
196
name of grouping the celiac and cranial mesenteric ganglion together
celicaomesenteric ganglion and plexus
197
_______ innervation is via the dorsal and ventral vagal nerve trunks and pelvic nerves
parasympathetic
198
what animals are stomach fermenters?? | what animals are gut fermenters??
ruminants horses
199
in a calf what is the largest stomach compartment
abomasum
200
4 compartments of a ruminant stomach
reticulum rumen omasum abomasum
201
what is the true stomach of ruminants
abomasum
202
the rumen is laterally compressed and fills what side of the abdomen
left
203
in a horse what side does the cecum rest
right
204
the ______ of the ruminant stomach extends from the diaphragm to the pelvic inlet
rumen
205
the _____ is the cranioventral part of the stomach in ruminants and it lies immediately caudal to the diaphragm
reticulum
206
has a honeycomb like appearance inside
reticulum
207
reticulum epithelium
stratified squamous keratinized
208
another name for the reticular groove
esophageal groove
209
components of the gastric groove
reticular groove + omasal groove + abomasal groove
210
allows bipass of the rumen so food can go straight from esophagus to abomasum
gastric groove
211
what triggers the gastric groove to close in both calves and adults
calves -- suckling for milk | adults -- ADH hormone because of dehydration
212
longitudinal folds in the cavity of the omasum
laminae -- help with mechanical digestion by contracting and absorbing
213
glandular stomach in ruminants
abosmasum
214
knot at the pyloric sphincter in ruminants to help close the sphincter
torus pyloricus
215
permanent structures on the inside of the abomasum
spiral folds
216
major innervation of the ruminant stomach
DORSAL VAGAL TRUNK minor is ventral trunk
217
T/F | large ruminants have a pancreatic and a bile duct
FALSE only small ruminants have the pancreatic duct, but both large and small have a bile duct
218
the bulk of the ruminant intestines are located within the _______ on the right side (because rumen occupies the left)
supraomental recess
219
components of the ruminal ascending colon
``` proximal loop centripedal gyri -- going in central flexure centrifugal gyri -- going out distal loop ```
220
what supplies the proximal loop and the centripedal gyri in ruminants prior to the central flexure
colic branch of the ileocolic artery
221
what supplies the ventral colon of horses large colon prior to the pelvic flexure
colic branch of the ileocolic artery
222
what supplies the oral part of dog ascending colon
colic branch of the ileocolic artery
223
what supplies the aboral part of a dog ascending colon
right colic artery
224
what supplies the centrifugal gyri and the distal loop of the ruminant ascending colon that follows after the central flexure
right colic artery
225
what supplies the dorsal colon of the horse large colon following the pelvic flexure
right colic artery
226
built in girdle of elastic tissue in large animals that is thickest ventrally as it merges with the aponeurosis of the external abdominal oblique
tunica flava abdominis
227
what is unique about the horses esophagus
the lower esophageal/cardiac sphincter is extremely tight -- horses do not regurgitate their foods
228
separates the glandular and non-glandular parts of the horses simple stomach
margo plicatus
229
the non-glandular mucosa of the horse stomach is what part of the stomach
fundus
230
name of the bands/longitudinal thickenings of tunica muscularis on the horse large intestines
taenia coli
231
The succulations/pouches that result from the taenia coli shortening and are significantly more prominent in the ventral colon of horses
haustra
232
number of bands on the cecum
4
233
number of bands on the entire ventral colon
4
234
number of bands on the pelvic flexure and dorsal left colon
1
235
number of bands on the dorsal flexure and dorsal right colon
3
236
number of bands on the transverse and descending colon
2
237
the dorsal band of the cecum leads to the _____
ileocolic fold
238
the lateral band of the cecum connects to the ____
cecocolic fold
239
how to tell where the ileum starts and the jejunum ends in horses
ileocecal fold
240
aponeurotic attachment of all the abdominal wall musculature to the cranial pelvis
prepubic tendon
241
ruptures of the prepubic tendon
when really pregnant, needs c section and no more babies hydoallantois -- uterus malfunction/fluid buildup
242
horse colic and causes
abdominal pain -- SO MANY CAUSES
243
T/F | in a normal rectal palpation of a horse, the small intestine is easily perceivable
FALSE -- this is bad
244
free abdominal fluid
ascites
245
draining of abdominal fluid near the ventral midline at the most gravity dependent part of the abdomen
abdominocentesis
246
how does exploratory surgery work
start at ileocecal fold and run the GI tract orally and then go back to the fold and run the tract aborally to look for everything
247
benign fatty tumor of the omentum that becomes pudunculated and wraps around a segment of the GI tract
strangulating lipoma -- can lead to necrosis of the intestine
248
when horses small intestines get trapped in the epiploic foramen
epiploic entrapment
249
opening the intestinal tract
enterotomy **remove contents bc ENDOTOXINS and decompress
250
when stool gets stuck in the intestines and becomes a hard blockage
colon impaction
251
when the large colon gets stuck between the spleen and the kidney
nephrosplenic entrapment
252
buildup of kidney stones
enterolith
253
if a section of bowel doesn't survive it can be removed
resection/anastomosis
254
majority of abomasal displacements are which ride
left displaced abomasum -- LDA 90% RDA - 10%
255
when do displaced abomasums occur
when there is a rapid filling, gas distention, diet change **it can result in a decreased outflow of stomach contents and also gas distention and compromised blood flow
256
how to fix displaced abomasum
Roll the cow surgical plexy -- with toggle pin or open laprotomy
257
anesthesia needs to go to which spinal nerves in cow surgery
T13 and L1-4
258
which four nerves get the anesthesia for intestinal/stomach surgeries
costoabdominal ileohypogastric ileoinguinal lateral cutaneous femoral nerve
259
blood supply to the diaphragm
1. musculophrenic artery | 2. caudal phrenic artery
260
where do the phrenic nerves originate
spinal nerves C5, C6, C7
261
underlying connective tissue that attaches the pleura to the thoracic wall
endothoracic fascia
262
fold of the right mediastinal pleura that envelopes the caudal vena cava and right phrenic nerve
plica vena cava
263
chief channel for the return of lymph from the lymphatic capillaries and ducts to the venous system
thoracic duct
264
T/F | the horses left lung's cranial lobe has a cranial and caudal part
FALSE -- only species that does not have the cranial and caudal parts of the cranial left lobe of the lung
265
where is the cardiac notch in dogs
3rd/4th IC space
266
where is the cardiac notch in horses
3rd/6th IC space
267
name the 4 lobes of the left lung
cranial middle caudal accessory
268
T/F | horses do not have external lobulations of lungs
TRUE
269
contents of the carotid sheath
common carotid arteries vagosympathetic trunks internal jugular veins
270
functional blood supply of respiratory system
pulmonary arteries and veins **color does not indicate what they carry.. pulmonary is opposite of normal deoxy vs oxy blood. ** veins are located VENTRALLY to the arteries
271
located between the basal border of the lung and the diaphragmatic line of plueral relfection
costodiaphragmatic recess
272
branches of the braciocephalic trunk
left and right common carotid arteries | right subclavian artery
273
branches off of the ascending aorta
doral intercostal arteries bronchoesophageal artery
274
double layers of serous membrane that extend from the mediastinal parietal pleura to the visceral pleura
pulmonary ligaments
275
three purely sensory cranial nerves
CN I, II, VIII olfactory optic acusticovestibular
276
three purely motor cranial nerves
CN IV, VI, XII trochlear abducent hypoglossal
277
cranial nerve with autonomic neurons
VAGUS -- CNX
278
origin of left and right coronary arteries
aortic sinuses
279
disease of the left ventricle
concentric hypertrophy
280
contains remnant of the umbilical vein -- round ligament of the liver
falciform ligament
281
supports the urachus in the fetus
median ligament of the urinary bladder -- type of ventral mesentery
282
contains the remnants of umbilical arteries = round ligaments of the bladder
lateral ligaments of the urinary bladder -- type of dorsal mesentery
283
abdominal "immune" organ
spleen
284
cranial epigastric artery parent
internal thoracic a
285
supplies mammae
cranial superficial epigastric a