rat lab Flashcards
what organ does rat not have
gall bladder, appendix
whats a prepuce in rat
prepuce is a fold of skin that covers the penis when it is not erect
how many openings does female rat have
- anus, vagina, urethral opening
parietal and visceral
parietal - lines cavity
visceral - wraps around organs
guts 3 tubular portions and 2 sacs
oesophagus, small intestine, large intestine
stomach and caecum
which 2 large glands does secretion occur in
liver and pancreas
whats plyoric sphincter
smooth muscle that controls flow of chyme into first part of small intestine (duodenum)
3 regions of small intestine
duodenum (leaving stomach) jejunem, ileum (entering caecum)
whats part of GI tract
mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, and anus, along with accessory organs like the liver, gallbladder, and pancreas
where does pancreas release stuff into
enzymes into duodenum for digestion
hormones into blood
why is liver very vascular in rats
as its large and has 4 lobes and CT is very thin.
Receives venous blood via heportic vein and oxygenated blood via hepartic artery
what system is spleen part of
lymphatic
4 parts of large intestine
caecum, colon, rectum, anus.
For reabsorption of water and formation of faeces
what do adrenal glands secrete
outer crust (cortex) - steroid hormones
inner core (medulla) - adrenaline
hard and soft palette
hard is infront of soft and is separates the oral cavity from the nasal cavity