Histology- epithelial Flashcards
Epithelial tissue is the _____ tissue that
forms the ______ between our body and
the external ______.
lining, boundary, environment
Functions of Epithelial tissues include:
Protection, Absorption, Filtration, Secretion
The top surface of an epithelial tissue is called the _____ surface or ____ surface.
free, apical
The bottom surface is called the ____ ____.
basal surface
The membrane underneath the basal surface is called the ____ ____.
basement membrane.
All of these tissues are ____ (no blood vessels).
avascular
Epithelial tissues are classified by the number of ____ and the ____ of the cells.
layers, shape
simple epithelial tissues have ____ layer of cell(s)
one
stratified epithelial tissues have ____ layer of cell(s)
more than one
Simple squamous epithelium is a _____, _____ layer of cells that is ____ and _____.
single, flat, thin, permeable
What is the function and where are simple squamous epithelium?
function: rapid diffusion of materials
Found in blood vessels & lung tissues
Simple cuboidal epithelium is a ____ layer of ____-shaped cells.
single, cube
What is the function and where are simple cuboidal epithelium?
Function: Secretion & absorption of
substances
Found in the tissues of the kidney
Simple columnar epithelium is a ____ layer of ____ closely packed cells.
single, tall
simple columnar may have ____ and _____ cells which secrete ____.
cilia, goblet, mucus
What is the function and where is simple columnar found?
Function: Secretion of mucus for protection & absorption of substances
Found in the lining of the digestive tract
Epithelial tissue is the ____ that protects the body from the external _____.
lining, environment
All epithelial tissues have a ___ surface, a ___ surface, and a _____ membrane.
free, basal, basement
Simple epithelial tissues are made of ___ layer of cells
that can vary in ____.
one, shape
stratified squamous epithelium is ____ layers that provide ____ for the underlying layers.
thick, protection
stratified=
more than one layer
What is found in the epidermal layer of the skin?
stratified squamous