Vein Histo--Downing Flashcards
Most prominent layer in veins
tunica adventitia
Where do WBC emigrate out of cicrulation preferentially?
post-capillary venule
Post-capiallary venules don’t have smooth muscle, but instead are surrounded by…
pericytes
Pericytes are replaced by what as veins increase in diameter?
smooth muscle
High endothelial venules
endothelium is simple cuboidal instead of simple squamous
Tunica media in tunica media
smooth muscle and fibroblasts
Large veins
tunica adventitia
specialness
smooth muscle bundles
Varicose veins
pathology
insufficient venous valves
Venous valves
folds of intima
endothelium
CTcore
Lymph vascular system termination
blind endings
into CT spaces
How do lymphatic ducts work?
low pressure
pick up fluid, electrolytes, etc
bring back to heart
What pushes lymph back to heart?
some smooth muslce in walls of lymph vessels
skeletal muscles help more though
