(F) Lec 2.1: The Digestive System Flashcards
What are the common properties of the wall of the Digestive Tract?
Mucosa
Submucosa
Tunica Muscularis (Muscularis Externa)
Tunica Serosa/Adventitia
Which two structures/organs in the system have glands in the submucosa?
Esophagus and Duodenum
Gastric glands and intestinal glands are seen in which layer?
Lamina propia (in the mucosa)
T or F: Esophageal glands are seen in the tunica muscularis
False (in mucosa and submucosa)
LE of mucosa of esophagus
SSNKE
LP of mucosa of esophagus
Loose CT with lymphocytes and superficial esophageal glands
Glands in the mucosa of esophagus
Superficial esophageal glands
Type of tissue found in the muscularis mucosa of the esophagus
Smooth muscle
Sublayers of mucosa of esophagus
LE
LP
Mucularis Mucosa (MM)
Specific subtype of tissue found in submucosa of esophagus
DICT
Responsible for regulation of mucus secretion in the submucosa of esophagus
Meissner’s plexus
Glands in the submucosa of esophagus
Deep esophageal glands
Responsible for peristalsis in the tunica muscularis of esophagus
Auebach’s plexus / Myenteric
Arrangement of muscles in the tunica muscularis of esophagus
Inner circular and outer longitudinal layer (ICOL)
Muscle of upper 1/3 of esophagus
Skeletal
Muscle of middle 1/3 of esophagus
Smooth and skeletal
Muscle of lower 1/3 of esophagus
Smooth
This layer of esophagus contains LCT, BVs, and LSs
Tunica adventitia
Junction between esophagus and stomach
Squamocolumnar junction
This is where the secretion of the glands exits from the stomach
Gastric pits
Initiates carbohydrates’ digestion
Salivary amylase
Acidic fluid when mixed with food is called?
Chyme
Secretion of ______ begins digestion of triglycerides
Lipase
Begins initial digestion of proteins
Pepsin