DISSEC 2nd Flashcards
1
Q
GI Tract
A
Digestive system from oral cavity to anus.
2
Q
Stomach
A
Dilation receiving ingesta from the esophagus.
3
Q
Greater Curvature
A
Long convex surface from cardia to pylorus.
4
Q
Lesser Curvature
A
Short concave surface from cardia to pylorus.
5
Q
Parietal Surface
A
Stomach side in contact with the liver.
6
Q
Visceral Surface
A
Stomach side in contact with abdominal viscera.
7
Q
Cardia
A
Opening around the esophageal entry into stomach.
8
Q
Fundus
A
Blind, gas-filled portion adjacent to cardia.
9
Q
Body
A
Largest part of the stomach, between cardia and pylorus.
10
Q
Pylorus
A
Distal stomach opening to the duodenum.
11
Q
Pyloric Antrum
A
Wide proximal part of the pyloric region.
12
Q
Pyloric Canal
A
Narrow distal passage with strong muscular sphincter.
13
Q
Omentum
A
Double-layered tissue connecting peritoneum and abdominal organs.
14
Q
Greater Omentum
A
Connects greater curvature to dorsal abdominal wall.
15
Q
Superficial Leaf
A
Extends from stomach to pelvic inlet.
16
Q
Deep Leaf
A
Attaches to dorsal abdominal wall, contains pancreas.
17
Q
Omental Bursa
A
Potential space between the two leaves of omentum.
18
Q
Gastrophrenic Ligament
A
Connects stomach to diaphragm.
19
Q
Gastrosplenic Ligament
A
Connects stomach to spleen.
20
Q
Phrenicosplenic Ligament
A
Connects spleen to diaphragm.
21
Q
Visceral Peritoneum
A
Membrane covering abdominal organs.
22
Q
Parietal Peritoneum
A
Membrane lining abdominal cavity.
23
Q
Liver
A
Organ reflecting cranially in abdominal view.
24
Q
Greater Omentum
A
Connects stomach’s greater curvature to spleen.
25
Lesser Omentum
Links stomach's lesser curvature to liver.
26
Papillary Process
Part of liver covered by lesser omentum.
27
Gastrohepatic Ligament
Lesser omentum section connecting stomach and liver.
28
Hepatoduodenal Ligament
Lesser omentum connecting liver to duodenum.
29
Intestinal Tract
Digestive pathway from stomach to anus.
30
Small Intestine
Main site for digestion and absorption.
31
Duodenum
First part of small intestine after stomach.
32
Cranial Duodenal Flexure
Turn where duodenum bends caudally.
33
Descending Duodenum
Duodenum segment on right abdomen side.
34
Bile Ducts
Empty into the descending duodenum.
35
Caudal Flexure
Bend transitioning descending to ascending duodenum.
36
Ascending Duodenum
Duodenum segment on left side of mesentery.
37
Duodenojejunal Flexure
Connection between duodenum and jejunum.
38
Duodenocolic Ligament
Links duodenum flexure to descending colon.
39
Jejunum
Longest small intestine segment, many coils.
40
Mesojejunum
Fan-shaped mesentery supporting jejunum.
41
Root of Mesentery
Attachment point for mesentery to aorta.
42
Ileum
Short terminal small intestine segment.
43
Ileocecal Fold
Peritoneum connecting ileum and colon.
44
Large Intestine
Absorbs water, includes cecum and colon.
45
Cecum
Short, spiral structure in right abdomen.
46
Caecum
Short, comma-shaped structure joining colon.
47
Colon
Wider than small intestine; divided into three parts.
48
Ascending Colon
Short segment between duodenum and mesentery.
49
Transverse Colon
Runs cranial to mesentery, ventral to pancreas.
50
Descending Colon
Longest segment, leads to pelvic cavity.
51
Rectum
Large intestine segment within pelvic cavity.
52
Duodenocolic Ligament
Connects ascending duodenum to descending colon.
53
Colic Lymph Nodes
Nodes within ascending and transverse colon curvature.
54
Jejunal Lymph Nodes
Nodes located high in the mesentery root.
55
Liver
Organ located behind diaphragm, right of median plane.
56
Hepatic Porta
Entry point for portal vein and bile duct.
57
Liver Lobes
Divided into four main lobes and sublobes.
58
Left Hepatic Lobe
Largest lobe, subdivided into medial and lateral.
59
Right Hepatic Lobe
Fused with caudate lobe at its base.
60
Quadrate Lobe
Lies midline, forms gallbladder fossa side.
61
Caudate Lobe
Subdivided into caudate and papillary processes.
62
Mesocolon
Peritoneal fold supporting colon's position.
63
Pelvic Cavity
Space housing rectum and associated structures.
64
Sublumbar Muscles
Muscles located ventrally to descending colon.
65
Jejunum
Part of small intestine before ileum.
66
Ileum
Final segment of the small intestine.
67
Gallbladder
Organ closely related to the liver.
68
Caudate process
Most caudal liver part, near twelfth intercostal space.
69
Papillary process
Liver extension crossing midline, covered by omentum.
70
Gall bladder
Sac that stores and concentrates bile.
71
Hepatic duct
Ducts collecting bile from liver cells.
72
Cystic duct
Carries bile from gallbladder to hepatic duct.
73
Common bile duct
Formed by hepatic and cystic ducts, leads to duodenum.
74
Right lateral lobe
Liver lobe located on the right side.
75
Right medial lobe
Medial liver lobe adjacent to the right lateral lobe.
76
Quadrate lobe
Liver lobe located between gall bladder and left lobe.
77
Left medial lobe
Medial lobe of the liver on the left side.
78
Left lateral lobe
Lateral lobe of the liver on the left side.
79
Spleen
Organ located near the left lateral lobe.
80
Descending duodenum
Part of the small intestine after the stomach.
81
Pancreas
Slender organ with two lobes near pylorus.
82
Accessory pancreatic duct
Additional duct present in dogs, drains pancreas.
83
Pancreatic duct
Main duct draining bile into the duodenum.
84
Major duodenal papilla
Opening for pancreatic and bile ducts into duodenum.
85
Minor duodenal papilla
Opening for accessory pancreatic duct into duodenum.
86
External abdominal oblique
Outermost abdominal wall muscle, fibers run caudoventrally.
87
Internal abdominal oblique
Muscle beneath external oblique, aids in abdominal support.
88
Peritoneum
Membrane lining abdominal cavity, supports organs.
89
Blood supply
Vascular network providing nutrients to abdominal organs.
90
Internal Abdominal Oblique
Muscle beneath external oblique; fibers run cranioventrally.
91
Rectus Abdominis
Paired strap-like muscles along ventral abdomen.
92
Transversus Abdominis
Deepest abdominal muscle; fibers run transversely.
93
Linea Alba
Fibrous structure formed by abdominal muscle aponeuroses.
94
Thoracolumbar Fascia
Connective tissue origin for abdominal muscles.
95
Tuber Coxae
Bony prominence; origin for abdominal muscles.
96
Inguinal Ligament
Ligament forming part of abdominal muscle origin.
97
Costal Arch
Curved structure; insertion point for abdominal muscles.
98
Ventral Branches
Nerves supplying abdominal wall muscles.
99
Thoracic Nerves
Nerves T8-T13; innervate cranial abdominal wall.
100
Lumbar Nerves
Nerves L1-L3; supply caudal abdominal wall.
101
Intercostal Nerves
Innervate parts of cranial abdominal region.
102
Peritoneum
Thin membrane lining abdominal and pelvic cavities.
103
Parietal Peritoneum
Lines abdominal and pelvic cavities.
104
Visceral Peritoneum
Covers external surfaces of abdominal organs.
105
Mesentery
Double layer of peritoneum suspending intestines.
106
Ventral Mesentery
Continuous peritoneum along the ventral abdomen.
107
Retroperitoneal Location
Organs not encased in visceral peritoneum.
108
Connecting Peritoneum
Double-layered folds connecting visceral and parietal peritoneum.
109
Omentum
Connects stomach to other abdominal organs.
110
Ligaments
Attach organs to abdominal wall or each other.
111
Celiac Artery
Supplies blood to stomach and pancreas.
112
Mesenteric Arteries
Supply blood to intestines from abdominal aorta.
