Flashcards in 102b Upper GI Deck (11)
what separates the oropharynx from the nasopharynx? larynogopharynx and oropharynx?
laryngopharynx and esophagus?
top of epiglottis
histology of pharynx and esophagus?
nonkeratinized stratified squamous epithelium
what does the nasal and oral cavities develop from? phyranx, airway, esophagus?
layers of the gut wall (in to out)
Submucosa (glands, ct, and Meissner's plexus)
Muscularis externa (Auerbach's plexus for peristalsis)
features of the small intestine
villi and plica
features of the large intestine
smooth surface and crypts (tubular glands)
parts of the mucosa layer
simple columnar epithelium - absorption
lamina propria - support (loose ct)
muscularis musosae - motility (smooth muscle)
glands and lymphatic tissue
sublingual vs parotid vs submandibular glands
sublingual are mostly mucous (lighter stain)
parotid are serous (darker stain)
submandibular have both
tonsils - what are they and where?
what - aggregations of lymphatic nodules
1) pharyngeal (adenoids) - roof of nasopharynx
2) palatine (w/ crypts) - back of mouth/oropharynx?
3) lingual - on pharynx part of tongue
type of muscle in esophagus?
top 1/3 - striated
middle 1/3 - mixed
bottom 1/3 - smooth