The Digestive System Flashcards
What are the 4 different types of teeth?
Incisors (4), cuspids (2), bicuspids (4), molars (6)
Bolus is the technical term for:
A morsel of chewed and swallowed food or drink
What are the four types of secretory cels found in the gastric glands?
Chief cells, parietal cells, enteroendocrine cells, and mucous cells
What is a lacteal?
Lymph vessel in a villus of the wall of the small intestine
Segmentation and peristalsis are movements of the walls of which organ: small or large intestines?
Small intestines
What is the name of the nerve network that is built into the wall of the organs of the digestive tract?
The enteric nervous system
What three phases occur as the control mechanisms, for muscular contraction regulation, become active?
The cephalic phase, the gastric phase, the intestinal phase
What is the cecum?
Blind pouch, such as the one below where the small intestine enters the large intestine
What is the small, dangling projection on the cecum?
The vermiform appendix
What are the four portions of the colon?
The ascending colon, the transverse colon, the descending colon, the sigmoid colon
The rectum makes up the last __ cm of the large intestine.
20 cm
The correct order of layering in the digestive tract wall, from deep to superficial, is:
Mucosa, submucosa, muscularis, serosa
Which hormone is produced by the stomach and controls stomach contraction and secretion?
Gastrin
What are the three protein-digesting enzymes in pancreatic juice?
Trypsin, chymotrypsin, and carboxypeptidase
What is the intestinal enzyme that activates trypsinogen to trypsin?
Enterokinase
