epithelial tissue histo Flashcards
function of epithelial tissue in skin
protection
function of epithelial tissue in intestine
absorption
function of epithelial tissue in glandular epithelium
secretion
function of epithelial tissue in kidney
excretion
function of epithelial tissue in ovary
reproduction
function of neuroepitheloum
sensation
function of goblet cell
lubrication
function of myoepithelial cell
contraction
general characteristics of epithelial tissue
CELLULAR
AVASCULAR
FORMS MEMBRANES or GLANDS
ASSOCIATED WITH A BASEMENT MEMBRANE AND LAMINA/TUNICA PROPRIA
Surface specializations (4)
cilia, keratin, goblet cell, brush border
JUNCTIONAL COMPLEX
-prevents flow of matls bet epith cells
ZO
JUNCTIONAL COMPLEX
-actin filaments into electron-dense plaques; from terminal web
ZA
JUNCTIONAL COMPLEX
hairpin loops; cadherins
Desmosome/Macula adherens-
JUNCTIONAL COMPLEX
integrins, laminin, collagen type IV
Hemidesmosome-
function of Pseudostratified columnar epith w/ goblet cells & cilia (trachea, bronchi
cleanse the inspired air & transport mucus & particulate matter to the oral cavity for expulsion