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Anatomy > Vessel & Nerves > Flashcards

Vessel & Nerves Flashcards

0
Q

right and left internal iliac arteries

A
  • terminal branches of aorta
  • runs caudally w/in pelvic cavity
  • divide into 2 branches after the umbilical a.
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1
Q

Right & left external Iliac arteries

A
  • given off by aorta

- go laterally to supply pelvic limbs

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2
Q

terminal branches of aorta

A
  1. Left internal iliac a
  2. Right internal iliac a
  3. Median sacral a
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3
Q

median sacral a.

A

runs caudally, ventral to sacrum & eventually supplies the tail

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4
Q

umbilical a.

A
  • 1st branch of internal iliac a.
  • part of fetal vessels
  • may remain patent in adults to the apex of the bladder
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5
Q

2 branches internal iliac a. divides into…

A
  1. Caudal gluteal a.

2. Internal pudendal a.

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6
Q

Caudal Gluteal a.

A
  • larger of the 2 division of the internal iliac a.
  • its branches supply mm of rump
  • passes lateral to ischium to supply proximal parts of caudal thigh mm
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7
Q

internal pudendal a

A
  • ventral to caudal gluteal a.
  • runs caudally through pelvic cavity
  • supplies pelvic viscera & penis/clitoris
  • divides into several branches
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8
Q

prostatic a.

A
  • division of internal pudendal a in the male

- supplies prostate, ductus deferens, urethra, urinary bladder, & rectum

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9
Q

Vaginal a.

A
  • branch of internal pudendal a.

- supplies urinary bladder, urethra, uterus, vagina, & rectum

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10
Q

Uterine a.

A
  • comes from vaginal a
  • runs cranially in mesometrium
  • continuous with uterine branch of ovarian a.
  • must be ligated in ovariohysterectomy
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11
Q

pelvic nerves

A
  • met by hypogastric nn. caudally from caudal mesenteric plexus
  • carry parasympathetic fibers from sacral segments of spinal cord
  • supply sympathetic and parasympathetic fibers to pelvic viscera
  • form pelvic plexus w/ hypogastric nn.
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12
Q

deep femoral a

A
  • ONLY branch of external iliac a

- comes just before external iliac a leave abdominal cavity

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13
Q

caudal epigastric a

A
  • runs cranially on deep surface of rectus abdominus m
  • supplies rectus abdominus m
  • originates from deep femoral a.
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14
Q

external pudendal a

A
  • passes through superficial inguinal ring

- originates from deep femoral a

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15
Q

pudendoepigastric trunk

A

common trunk that both caudal epigastric a & external pudendal a may arise from

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16
Q

medial circumflex femoral a

A
  • what deep femoral a becomes after caudal epigastric a & external pudendal a. are given off
  • leaves pelvic cavity through vascular lacunae
  • supplies medial thigh mm
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17
Q

femoral a

A
  • when external iliac a leaves abdominal cavity

- main blood supply to hind limb

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18
Q

superficial circumflex iliac a

A

enters deep surface of sartorius m. from femoral a.

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19
Q

lateral circumflex femoral a.

A
  • runs b/n rectus femoris & vastus medialis mm.

- supplies quadriceps femoris, tensor fascia latae, & superfical & middle gluteal mm.

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20
Q

proximal caudal femoral a

A
  • crosses pectineus & adductor mm.
  • enters deep surface of gracilis m.
  • supplies pectineus, adductor, & gracilis mm
  • leaves femoral a. near its middle
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21
Q

saphenous a

A
  • comes from caudal surface of femoral a & runs distally on superficial surface of crus
  • accompanied by saphenous n. & medial saphenous v.
  • divides into cranial & caudal branches near stifle jt
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22
Q

saphenous n

A

originates from large femoral n.

-supplies cutaneous sensation to medial side of limb to the paw

23
Q

middle caudal femoral a.

A
  • comes from caudal aspect of femoral a.

- supplies distal portions of adductor & semimembranosus mm

24
Q

distal caudal femoral a

A
  • largest of caudal femoral aa.

- supplies biceps femoris, semitendinosus, semimembranosus, gastrocnemius, & digital flexor mm

25
Q

lateral saphenous v

A
  • large v. on lateral surface of crus
  • its cranial branches drain dorsal surface of paw
  • good site for venipuncture
26
Q

popliteal a

A
  • what femoral a becomes as it passes b/n medial & lateral heads of gastrocnemius m.
  • supplies stifle jt & gastrocnemius & poplieteus mm
27
Q

cranial tibial a

A
  • one part of the termination of the popliteal a.
  • passes through the interosseous space to craniolateral surface of tibia
  • primary blood supply of paw
28
Q

Lumbosacral plexus

A

where pelvic limb’s nerves come from

29
Q

obturator n

A
  • comes from caudomedial surface of mm ventral to vertebral column
  • runs caudodistally along medial surface of shaft of ilium
  • supplies adductor, pectineus, gracilis, & obturator mm.
  • can be damaged in dystocia in large animals
30
Q

femoral n

A
  • gives off saphenous n

- supplies all 4 heads of quadriceps femoris m

31
Q

What happens if damage to femoral n. occurs?

A
  • inability to extend stifle jt & thus bear weight

- if damage occurs b4 saphenous n given off, it will also cause loss of sensation on medial side of hindlimb

32
Q

Cranial gluteal n

A

innervates middle and deep gluteal mm & tensor fascia latae

33
Q

caudal gluteal n

A

innervates superficial gluteal m.

34
Q

Sciatic n

A
  • largest n. of pelvic limb

- innervates biceps femoris, semimebranosus, semitendinosus mm

35
Q

Common peroneal n

A
  • 1 terminating branch of the sciatic n
  • innervates craniolateral mm of crus (cranial tibial, long digital extensor, peroneus longus mm)
  • splits into superficial & deep nn which innervate dorsal surface of paw
36
Q

Tibial n

A
  • medial branch of sciatic n
  • innervates caudal mm of crus (gastrocnemius, superficial & deep digital flexor, and popliteus mm)
  • provides sensory info from plantar paw
37
Q

Celiac a

A
  • 1st unpaired a that leaves ventral surface of aorta

- has 3 branches

38
Q

celiacomesenteric ganglion and plexus

A
  • covers initial portion of celiac a. & root of mesentery

- autonomic nerve fibers from vagal trunks and sympathetic trunk enter it

39
Q

3 branches of celiac a

A
  1. splenic a
  2. left gastric a
  3. hepatic a
40
Q

spelnic a

A

goes toward spleen w/ branches to spleen, stomach, & greater curvature of stomach

41
Q

left gastric a

A

2nd branch of celiac a.

-runs toward lesser omentum near cardia

42
Q

hepatic a

A

largest branch of celiac a.

-branches to liver & gall bladder, right side of greater & lesser curvatures, pancreas, & proximal duodenum

43
Q

cranial mesenteric a

A
  • immediately caudal to celiac a

- supplies duodenum, pancreas, jejunum, ileum, cecum & ascending/ transverse/cranial colons

44
Q

phrenicoabdominal aa.

A
  • leave either side of the aorta & pass laterally dorsal to adrenal glands
  • they divide
45
Q

renal aa.

A
  • next aortic branch after phrenicoabdominal aa
  • usually 1/kidney & enter at hilus of kidney
  • right one comes of cranial to the left one
46
Q

renal vv

A
  • leave hilus of kidney & enter caudal vena cava

- left renal vein receives blood from left testicular v

47
Q

ovarian a

A
  • leave aorta just caudal to renal aa.

- run through mesovarium to ovaries

48
Q

uterine branch of ovarian aa.

A

-continuation of ovarian aa to uterus

49
Q

testicular aa

A
  • leave aorta caudal to renal aa.

- run caudoventrally in abdominal cavity w/in mesorchium & exit via deep inguinal ring

50
Q

caudal mesenteric a

A
  • smaller unpaired a. that leaves ventral surface of aorta near its end
  • runs in descending mesocolon to mesenteric border of descending colon
51
Q

caudal mesenteric ganglion & plexus

A

-gets fibers from sympathetic trunk
-surrounds caudal mesenteric a.
-2 branches = hypogastric nn.
also supplies sympathetic to descending colon

52
Q

hypogastric nn

A

supply sympathetic fibers to pelvic viscera

53
Q

deep circumflex iliac aa.

A

last branches of abdominal aorta

-supply skin & mm of caudal abdomen & cranial thigh

54
Q

portal vein

A
  • enters visceral surface of the liver

- carries blood from digestive system to liver for filtration

Anatomy (13 decks)

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