GI 1 Flashcards
name the 4 Layers of GI tract?
Mucosa- Musc Mucosae, Lamina Propria, Epithelium
Submucosa
Musc Externa
Serosa/Adventitia
Type of epi in mouth, anus and oes?
non-ker, startisfied, squamous epithelium
Type of epi in stomach intestines?
Simple Columnar
Lamina Propria is what?
Loose connective tissue
Fx of Musc Muc?
Move nutrients from ep to submucosa
Which plexus is present in submucosa?
Meissners
where is adventitia?
Extra layer outside peri cavity
Fx of Inner layer of ME?
CILO
Circular = inner,
Constricts lumen
Fx of outer layer of ME?
CILO
Long= Outer
SHorten tubes
Where is the myenteric plexus?
Between The outer an inner circular layer
Which two systems provide autonomic control?
Long = parasymp Short = ENS
Which nerves supply para nervous system?
Vagus nerve except salivation
Which nerves provide salivation?
VII and IX
What is the result of parasymp inv?
Inc Secretion, and Motility
Which nerve supplys sym inv, and what is it’s fx?
Splachnic n,
Decr Secretion and Motility excpet Salivation
Which does the celiac trunk supply? 4
stomach, SI, panc and liver
what does the Sup Mes a. supply?4
SI, Caecum, Asc Colon and TV colon
What does the inf Mes a. supply? 3
Desc colon, sigmoid and Rectum
which veins drain the stomach?
gastric veins
Which veins drain panc?
Splenic v.
What does the sup mes v. drain? 4
SI, caecum, AC, TC
What does the inf mes v. drain? 3
DC, SC, rectum
