Digestive System 1 Flashcards
Food mixed with saliva is known as what?
Bolus
The stomach converts bolus into what?
Chyme
What is the 7 part path of the GI Tract?
Oral Cavity, pharynx, esophagus, stomach, small intestine, large intestine, and anus
Contraction of teniae coli bunch
up large intestine into many sacs,
collectively called what?
Haustra
Longitudinal muscle is incomplete, forming bundles called what?
Teniae Coli
Extending off the external surface of haustra are lobules of fat called what?
Omental Appendices
When swollen either inside or outside the anus, veins can present themselves as which chronic illness?
Hemorrhoids (piles)
At which point does the rectum terminate?
The anal canal
Which part of the large intestine is a muscular tube that expands to store fecal matter?
Rectum
The cecum, ascending & descending
& transverse & sigmoid colon make up which section of the digestive system?
The large intestine
The distal end of the ileum terminates where?
ileocecal valve
Which valve controls the entry of materials going into the large intestine?
ileocecal valve
Which cells in the stomach secrete hydrochloric acid and intrinsic factor?
Parietal cells
Which cells in the stomach secrete pepsinogen, which is then converted to pepsin in the stomach lumen?
Chief Cells
Which cells in the stomach secrete hormones such as gastrin, which aids in gastric mobility?
Enteroendocrine cells
What are the 3 phases of swallowing?
Voluntary phase, pharyngeal phase, and esophageal phase.
Digested food going to stomach passes through an opening in the diaphragm known as what?
Esophageal hiatus
What are the two types of secretory cells found in salivary glands?
Mucous & Serous cells
The function of the ——- is to increase the surface area to maximize absorption, but also to churn the food wastes in the colon while forming feces. —— push food remains/feces forward in the colon from one ———- to the next.
Haustra, haustra, haustrum
The ———— function as suspension cables upon which the circular muscle arcs are suspended, facilitating efficient contraction of the circular muscle.
taenia coli.
