Gen Anatomy digestive system 10% Flashcards
What initates the digestive process?
oral cavity & pharynx
What produces 60-70% of our saliva?
submandibular gland
What produces 20-30% of our saliva?
parotid gland
What is a double folded peritoneum that transmits vessels, nerves, & lymph tissue?
Mesenteries
What does the falciform ligament connect?
left lobe of the liver –> diaphragm
What does the Falciform ligament contain?
periumbilical vein & ligamentum teres hepatis
What does the coronary ligament connect?
Right lobe of liver –> diaphragm
Where is the ligamentum venosum located?
Lies in the liver fissure
What is the ligamentum venosum a remnant of?
ductus venosus
What part of the digestive system is our great defender?
The omentum
What extends from the liver to the lesser curve of the stomach?
lesser omentum
What extends from the greater curve over the abdominal viscera?
Greater omentum
What are the structures of the stomach?
cardia, fundus, body and pylorus
The greater and lesser curves are part of which organ?
stomach
what is the mucosal lining of the stomach with many folds called?
Rugae
What is the purpose of rugae?
to increase surface area of the stomach
What stomach cells secrete HCL & IF?
a. Parietal
b. Chief
c. Ghrelin
d. CCK
a. parietal
What stomach cells are also known as zymogenic cells?
a. Parietal
b. Chief
c. Ghrelin
d. CCK
b. Cheif
What stomach cells are also known as oxynitic cells?
a. Parietal
b. Chief
c. Ghrelin
d. CCK
a. parietal
What stomach cells secrete pepsinogen?
a. Parietal
b. Chief
c. Ghrelin
d. CCK
b. Cheif
What hormone stimulates hunger?
Ghrelin
What parts does the SI consist of?
- duodenum
- jejunum
- Ileum
How long is the:
- duodenum
- jejunum
- Ileum
- ~10 inches
- ~ 8 ft
- ~ 12 ft
What is the purpose of the brush border in the SI?
increase surface area
What are the folds in the SI called?
Plicae Circulare
What cells in the SI make CCK?
Epithelial cells
What does CCK do?
Squeezes the gallbladder to release bile
What are the parts of the LI?
- cecum
- appendix
- colon
- Rectum & anus
What is the blind pouch of the LI?
cecum
What part of the LI is hollow and a part of the immune system?
appendix
What are the parts of the Colon?
- Ascending
- Transverse
- Descending
- Sigmoid
What structures in the rectum/anus allow for EXPANSION?
columns of MORGAGNI
What is the largest visceral organ and largest gland in the whole body?
LIVER
The falciform ligament contains what other ligament on the anterior aspect of the liver?
Round ligament aka ligamentum teres
What does the liver produce?
bile, (RBC’s in fetus)
What is the function of the liver?
- Filters & detoxifies blood
- protein synthesis
- stores: glycogen, vitamins, iron & copper
What contracts to expel bile?
gallbladder
What stimulates the secretion of bile from the gallbladder?
CCK
What is the function of bile?
emulsifies fat (breaks them down to be easily digested)
What is the Retroperitoneal list? “D CUPS DAKRI”
Duodenum Ascending colon Ureters Pancreas Suprarenals Descending colon Aorta Kidneys Rectum Inferior vena cava
where is the gallbladder located in respect to the liver?
b/w the left & cuadate lobes of liver
