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69 Cards in this Set
- Front
- Back
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alimentary canal
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tubular passage for digestion
mouth to anus |
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bile
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clear yellow fliud
produced by liver digestion of fat |
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buccal
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surface of tooth cheek side
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chyme
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digested stomach contents
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defication
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expelling feces
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diverticulum
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branching off of a canal or cavity
pouch |
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exocrine
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gland secreted through a duct
anal gland, sweat, saliva |
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endocrine
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fland that secretes homrmones into bloodstream
pancreas-insulin |
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fermentation
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breakdown of food by microorganisms
equids and ruminants |
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haustra
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pouches of large intestine
horses and pigs |
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lingual
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surface of tooth towards tongue
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mastication
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chewing
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peristalsis
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progressive wave of contraction and relaxation or the alimentary canal
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3 salivary glands
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parotid
mandibular linguinal |
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hard palate
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forms roof of mouth
divides nasal from oral area separation in it is cleft palate |
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soft palate
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caudal roof of mouth
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tongue function
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pick up food and water
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pharynx
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mouth and throat come together
beginning of esophagus |
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oropharanx
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back of mouth
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nasopharanx
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back of nasal cavity
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esophagus
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muscular tube to stomach
dorsal to trachea travals through thorax |
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beginning and end of small intestine
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cardiac sphincter to ileocecal valve
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villi
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finger-like projections that line mucosa of small intestine
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duodenum
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beginning small intestines
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jejunum
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middle small intestines
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ilium
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last section small intestine
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cecum
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diverticulum at beginning of large intestine
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2 types anal sphincters
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voluntary and involuntary
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liver
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large, multi-lobed
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gall bladder
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expandable green sac
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pancreas
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L-shaped, lobulated
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peritoneum
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lining of abdomincal cavity
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3 types of peritoneum
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parietal
visceral connecting |
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2 types of connecting peritoneum
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mesentery
omentum |
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mesentary
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connecting peritoneum that attaches organs to abdominal wall
arteries, veins, blood and lymphatic system pass through supports jejunum and ileum |
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omentum
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fat streaked membrane lying over abdominal organs
cushions organs |
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what is the function of peritoneum
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reduce friction in abdominal cavity
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what type of peritoneum lines the abdominal cavity wall
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parietal
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what type of peritoneum covers organs
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visceral
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what are the two types of connecting peritoneum
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mesentary
omentum |
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what two enzymes are in the saliva
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amylase
maltase |
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what two enzymes act upon protein
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pepsin
rennin |
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what is the inactive form of pepsin
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pepsinogen
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what three secretions aid digestion in the small intestines
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pancreatic
intestinal bile |
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what three enzymes come from the pancreas
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amylase--carbs
trypsin--proteins to amino acids lipase--fat to fatty acids |
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what secretion contains no enzymes
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bile
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what environment do enzymes work best in?
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alkaline
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this organ absorbs excess water and electrolytes
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colon
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liver's function besides digestion
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blood clotting
protein synthesis destruction RBCs detox of waste products |
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liver's digestive function
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makes bile
stores glucose as glycogen makes vitamins stores vitamin A and D center of fat and carb metabolism |
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gall bladder functions (2)
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stores bile
resleases bile into duodenum after eating |
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what organ do equines not have in digestive system
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gall bladder
bile is secreted through hepatic ducts into small intestine |
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what is different about equine colon?
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double horseshoe
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what is a complication of the large intestine in equines
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pelvic flexure
small intestine decreases in diameter results in colic |
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equine cecum
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breaks down cellulose
large dependent on protozoa and bacteria to help digest |
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4 parts of ruminant stomach
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rumen
reticulum omasum abomasum |
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rumen
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largest and 1st compartment
acts as a fermentation vat |
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reticulum
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behind diaphram and close to heart
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omasum
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3rd compartment grinds roughage
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abomasum
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True Stomach
produces secretions-HCI, enzymes |
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Rumination process
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breaks down rouphage and cellulose
chewing cud cow ruminate 2-3 times /min |
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fermentation
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in rumen
breakdown into volatile fatty acids VFAs provide energy depends on protozoa |
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Avian digestive system
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rapid digestion
little waste short rectum |
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function of mouth in bird digestions
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lubrication of food---poor salivary glands
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avian esophagus
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long and elastic
crop at end of esophagus |
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two avian stomach components
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proventriculus
gizzard |
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proventriculus
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secretes gastric joices
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gizzard
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grinds food
sometimes eat sand to help |
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bird anus
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cloaca
gential tract, ureters and rectum combined |
