LAB 1 DIGESTION Flashcards
(31 cards)
what is definition alimentary canal? what organs consist of it?
the whole passageway of food
includes : pharynx, esophagus, stomach, intestines, rectum, anus
Accessory organs of the digestive system
Liver
Pancreas teeth, tongue, salivary glands, gallbladder
True false the lamina propria is dense connective tissue that contain vessels and lymphatic tissue
False everything right except its loose connective tissue
the submucosa is made up of which tissue
Dense connective tissue
T/F submucosa is vascular?
TRue
Muscularis externa is skeletal muscle in which organs
True
Small intestine muscularis externa is skeletal muscle
mouth, pharynx, esophagus, and anal canal
T/F Stomach comes with 2 layers muscularis externa
False 3 layers circular longitudinal and oblique
what is the serosa
a smooth tissue membrane consisting of two layers of mesothelium, which secrete serous fluid
6 steps digestion
Ingestion
mechanical digestion
chemical digestion
absorption
what forms roof of the tongue
the hard and soft palate
what is gingiva
Gums
The two types of pilae that cover the tongue is
fungiform: that contain the microscopic structures known as taste buds
filiform papillae that have touch receptors and create an abrasive surface
for moving food around in the mouth
which gland is exclusively only serousa
PAROTID
Four areas of stomach
.cardia
fundus
body
pylorus
GERD is?
Gastroesophogel reflex Disease
GERD is?
Gastroesophogeal reflex Disease
The fungus is
Where food is temporary held
the lower region of the stomach is called the
pylorus
sphincter that separates the small intestine from cecum in large intestine
ileocecal valve
sections of the small intestine and there size
duodenum 25cm
jejunum 2 meters
Ileum 3 meters
Peyer’s patches
cluster of immune cells in the ileum
how long is the large intestine
1.4 meters
main role of large intestine
aids in water vitamin and mineral absorption