Lecture 2 Flashcards
What type of epithelial tissue is called
endothelium when it lines vessels and mesothelium when it lines cavities?
Simple squamous
Which epithelium is usually a secretory type?
Simple cuboidal
Which epithelium is usually absorptive?
Simple columnar
Which epithelium is often ciliated (found in respiratory and urinary systems)?
Pseudostratified columnar
Stratified squamous can either be ____ or ____
keratinized or non-keratinized
Stratified epithelium
often display different
levels of cell maturation
with more stamina cells
located in the proximity
of the basal lamina and
more differentiated cells
closer to the ____
surface
Epithelial cells are highly proliferative cells –during development, a single layer of cells
can proliferate, invaginate and generate ___
glands
Exocrine glands maintain a connection to the surface (duct) to reverse the product into
the ____ of lining cavity
lumen
Endocrine glands detach from the surface and reverse their products into the _____
blood stream
Exocrine glands are composed of a ___ and ___
secretory unit and duct
What three shapes can secretory units take on?
1) Tube shaped
2) Sac like
3) Tube shaped with dilated ends
Three types of secretory products?
1) Mucous (thick, viscous)
2) Serous (watery)
3) Mixed
What are the two types of duct systems?
Branched and unbranched
What is an example of a unicellular Gland
goblet cells of the small intestine
Simple tubular ducts are found in the ____
intestine
