Card Set Information
The cranial boundary of the abdominal cavity is the _____________; the caudal boundary is the ____________.
diaphragm; pelvic cavity
What are the dorsal boundaries of the abdominal cavity?
lumbar and sacral vertebrae and paired hypaxial muscles
What is the ventral boundary of the abdominal cavity?
rectus abdominis m.
Fibrous seam in which the aponeuroses of the right and left oblique and transverse abdominal muscles come together.
The linea alba extends from the ___________ to the _____________.
xyphoid process; symphasis pelvis
Aponeuroses of the oblique and transverse abdominal muscles.
Potential space between the external and internal abdominal oblique muscles that extends between the deep and superficial openings (rings).
The deep inguinal ring leads from the __________ to the __________; the superficial inguinal ring leads from the _________ to the _________.
inguinal canal; abdominal cavity; inguinal cavity; subcutaneous tissues of the groin
The fibers of the external abdominal oblique m. run ___________.
The fibers of the internal abdominal oblique run ____________.
The transversus abdominus is associated with the ____________.
A strong collagenous mass cranial to the pubic bone.
A connective tissue-filled fissure b/w the abdominal muscles and their aponeuroses, connecting b/w the two inguinal rings.
What structures pass through the inguinal canal? (4)
external pudendal a. & v., genitofemoral n., vaginal process (females), spermatic cord (ductus deferens and testicular a. and v. in males)
The cranial epigastric a. branches from the ___________ and runs on the dorsal aspect of the _____________.
internal thoracic artery; rectus abdominis m.
The caudal epigastric a. branches from the _____________; it supplies the...
pudendoepigastric trunk; muscles of the abdominal wall
The cranial abdominal a. branches from the ________ right around the caudal aspect of the ________.
aorta; 13th (last) rib where the adrenal glands are
The deep circumflex iliac a. branches from the _________ on the left and right sides, and they supply the ____________.
aorta; muscles of the abdominal wall
Lumbar nerves 1-4 are affected with a...
lateral approach to abdominal surgery, especially in large animals
Thoracic nerve 13 is the ___________
The cranial superficial epigastric a. runs between the ___________ and the _______; it supplies the...
abdominal muscle; skin; region cranial to the umbilicus
The caudal superficial epigastric a. supplies the _________.
The caudal epigastric a. courses along the lateral border of the ___________ then it courses on the deep aspect of the __________, where it...
rectus abdominis m..; rectus abdominis m.; anastomoses with the cranial epigastric a.
The potential space formed by the parietal and visceral layers of the peritoneum.
Serous membrane that lines the abdominal wall and visceral organs in the abdominal cavity and its coextensive pelvic and scrotal cavities.
The connective tissue that attaches the peritoneum to the abdominal muscles, diaphragm, and ribs.
The serous covering of the inner surface of the walls of the abdominal, pelvic, and scrotal cavities.
The serous covering of the organs of the abdominal, pelvic, and scrotal cavities.
The double-layered serosa connecting the parietal and visceral peritoneum, including the mesenteries, omentum, ligaments, and folds.
____________ consists of double sheets of peritoneum that pass from the abdominal wall to the intestine.
The mesenteric lymph nodes drain the...
jejunum, ilium, and pancreas
The mesenteric lymph nodes drain into the ___________.
Doubles layers of peritoneum that pass from a wall to an organ, or from an organ to another organ, and are usually narrow and contain few vessels.
Double-layered connecting peritoneum between the stomach and abdominal organs or abdominal wall.
The caudoventral extension of the two layers of connecting peritoneum, connecting b/w the dorsal body wall.
The superficial leaf of the greater omentum is adjacent to the __________.
body wall on the ventral aspect of the abdominal cavity
The deef leaf of the greater omentum is adjacent to the ___________.
abdominal organs, dorsal to the superficial leaf
Cavity b/w the superficial leaf and deep leaf of the greater omentum.
Connecting peritoneum that connects b/w the lesser curvature of the stomach and the liver.
The portion of the lesser omentum b/w the liver and the duodenum.
The portion of the lesser omentum b/w the liver and the stomach.
An opening of the omental bursa into the main peritoneal cavity that lies on the right of the median plane.
The epiploic/omental foramen is bounded dorsally by the _________ and ventrally by the ________.
caudal vena cava; portal vein
The spleen is located in the _____________ region parallel to the __________ of the stomach.
left hypogastric; greater curvature
In the fetus, the spleen produces __________; in the adult, it stores _______ and ________, produces _________, and destroys ________.
red blood cells; RBCs; iron; lymphocytes; senescent RBCs
The ligament b/w the stomach and the spleen, connecting the peritoneum b/w them.
The largest gland in the body.
The visceral surface of the liver is in contact with...
the stomach and the right kidney
6 functions of the liver.
detoxification of drugs/toxins, metabolism of carbohydrates, plasma protein production, reduction and conjugation of some hormones, storage of glycogen
The gall bladder is between the _________ and the _________ of the liver.
right medial lobe; quadrate lobe
What are the 6 lobes of the liver?
left lateral lobe, left medial lobe, quadrate lobe, right medial lobe, right lateral lobe, caudate lobe
There is a ________ in the visceral surface of the left lateral lobe of the liver.
The quadrate lobe of the liver contains a ______ for the _________.
fossa; gall bladder
The right medial lobe of the liver contains a _______ for the _______.
fossa;; gall bladder
The right lateral lobe of the liver touches the _______ end of the ___________.
cranial; right kidney
What are the processes of the caudate lobe of the liver?
papillary process, caudate process
The caudate process of the caudate lobe of the liver touches the right kidney at the _________; they are connected by the _________.
renal fossa; hepatorenal ligament
The strong, mainly collagenous tissue layers closely investing the liver's surface and interior vascular and nervous elements.
The liver is covered by ___________.
The liver attaches to the body wall and other organs via the __________.
The ligament that is a fold of the peritoneum from the liver to the umbilicus.
The free border of the falciform ligament.
the round ligament of the liver
Ligaments from the crura of the diaphragm to the dorsal parts of the right and left lateral lobes.
right and left triangular ligaments
Reflection of the peritoneum from the diaphragmatic surface of the liver (peritoneal surface) onto the crura of the diaphragm; goes around caudal vena cava and hepatic veins.
Ligament from the caudate process of the caudate lobe of the liver to the right kidney.
the lesser omentum forms what two ligaments?
hepatoduodenal ligament (liver to duodenum) and hepatogastric ligament (liver to stomach)
Sac that lie in a fossa between the quadrate and right medial lobes of the liver.
What is the function of the gall bladder?
store and concentrates biles that was produced in the liver
Bile travels from the liver to the gall bladder via the _________.
The hepatic ducts join the ________ of the gall bladder to form the _______.
cystic duct; bile duct
The common bile duct terminates on the ____________ next to the __________.
major duodenal papilla; pancreatic duct
Horses do not have a __________; its _______ join to form the bile duct.
gall bladder; hepatic ducts
The V-shape gland that consists of two limbs/lobes that diverge from the vicinity of the pylorus and are joined by the body.
The left lobe of the pancreas lies within the ________ of the ________, caudal to the _________ and cranial to the _________.
deep sheet; greater omentum; stomach; transverse colon
The right lobe of the pancreas lies next to the ___________ within the ____________.
descending duodenum; mesoduodenum
The body of the pancreas lies at the __________.
The pancreatic duct opens at the __________; the accessory pancreatic duct opens at the __________.
major duodenal papilla; minor duodenal papilla
The foregut of the embryonic primitive gut tube differentiates into the...
pharynx, esophagus, stomach, and first part of the duodenum
The midgut of the embryonic gut tube differentiates into the...
distal part of the duodenum, jejunum, ileum, cecum and larger part of the colon
The hindgut of the embryonic gut tube differentiates into the...
distal part of the colon, rectum, and part of the urogenital tract
The largest dilation of the GI tract, a musculoglandular organ interposed b/w the esophagus and the small intestine.
What are the 4 parts of the canine stomach?
cardiac part, fundus, body, pyloric part
The gastric glands produce... (2)
mucous and gastric enzymes
Folds of the stomach wall.
The smallest part of the stomach and is situated nearest the esophagus.
The cardiac part of the stomach produces ____________.
The dome-shaped part of the stomach that lies to the left and dorsal to the cardiac part.
The fundus produces _________.
The large middle portion of the stomach,the body, extends from the __________ on the right to the ___________ part on the left.
pyloric part; fundus
The body of the stomach produces ___________.
The distal third of the stomach, comprised of the proximal thin-walled __________, which narrows to a canal before joining the duodenum.
Pyloric part; pyloric antrum
The pyloric part of the stomach joins with the duodenum at the _________, called the ________.
The pyloric part of the stomach produces _______.
The cardia of the stomach is located at a fixed point opposite the _________.
left 9th intercostal space
The full stomach lies in contact with the ____________ and protrudes beyond the costal arches, displacing the __________.
ventral abdominal wall; intestinal mass
The principal site of digestion and absorption, extending from the pylorus of the stomach to the large intestine and divided into three parts.
The 3 parts of the small intestine.
duodenum, jejunum, ileum
The _________ of the duodenum is next to the pylorus of the stomach.
cranial duodenal flexure
Mesentery of the duodenum that originates at the dorsal abdominal wall and the root of the mesentery and extends to the duodenum; encloses the right lobe of the pancreas.
The part of the duodenum b/w the descending duodenum and the ascending duodenum.
caudal duodenal flexure
The ________ of the duodenum travels on the left side of the root of the mesentery,
The part of the duodenum after the ascending part.
The longest part of the small intestine, occupying large portion of the caudoventral abdomen.
The jejunum is supported by the __________ that is attached to the short root of the mesentery from the dorsal abdominal midline at L2.
The ____________ artery is in the root of the jejunal mesentery.
What lymph nodes are in the root of the mesentery?
mesenteric (jejunal) lymph nodes
The shortest and most distal part of the small intestine.
Grossly, you can distinguish the ileum from the jejunum by locating the __________.
antimesenteric ileal artery
The flow of ingesta is regulated through the _________by the _______.
ileocolic orifice; ileocolic sphincter
The ileum is suspended by the _______ and ________.
The ileum is connected to the cecum via the _________.
The large intestine extends from the ________ to the ________, and its function is to...
ileum; anus; dehydrate fecal contents by absorbing water
The four parts of the large intestine.
cecum, colon, rectum, and anal canal
Blind diveritculum at the beginning of the colon.
The cecum lies to the ________ of the ___________.
right; root of the mesentery
The cecum communicates with the ascending colon through the _________ adjacent to the _________.
cecocolic orifice; ileocolic orifice
The feline cecum can be palpated by reference to the form _________ at the level of L4.
The colon is located _______ in the abdomen and suspended by the ________.
The ascending colon lies to the _______ of the root of the mesentery,where the _______ is located.
right; right colic flexure
The transverse colon lies ________ to the root of the mesentery, where the _________ is located.
cranial; left colic flexure
The descending colon lie on the ________ region of the abdomen.
The continuation of the descending colon through the pelvis, beginning at the pelvic inlet.
A short termination of the alimentary canal that is a continuation of the rectum to the anus.
Structures located b/w internal and external sphincters.
anal sacs (paranal sinuses)
If the ducts of the anal glands become plugged, what can result?
constipation, rupture, anal fistula
The external opening of the alimentary canal.