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