digestive system Flashcards
examples of mechanical digestion and/or propulsion
peristalsis
swallowing
segmentation
mastication
bile salts
examples of chemical digestion
salivary amylase
pepsin
pancreatic lipase
what are the accessory organs in the digestive system
teeth
tongue
salivary glands
pancreas
liver
gallbladder
what organs are involved in digestive tract in the digestive system
oral cavity
stomach
esophagus
small intestine
large intestine
rectum
what is the anatomical order of structures during digestion?
oral cavity
pharynx
esophagus
stomach
small intestine
large intestine
rectum
anus
What is segmentation?
Localized contraction and relaxation of smooth muscle that help to mix food and secretions
how many secondary teeth are in the upper jaw?
16
what is the villus
finger like fold of the villus found in the small intestine
which tissue lines small intestine?
simple columnar epithelium
what is the lacteal?
small lymphatic vessel within the villus
whats the goblet cell?
single celled mucus glands
what is the name of the inward fold of the intestinal mucosa
intestinal gland
what does the lymphatic vessel in the intestine do?
carry lymph
what’s the role of the arteriole in the small intestine?
small vessel that carries blood towards the villi
what’s the role of the venule in the small intestine?
small vessel that carries blood away from the villi
what structures are associated with the large intestine?
rectum
ascending colon
transverse colon
descending colon
sigmoid colon
cecum
what structures are associagted with the small intestine?
jejunum
ileum
duodenum