Epithelial Flashcards
What are the four tissues?
Epithelial
Connective
Muscular
Nervous
What does the epithelial tissue do?
Forms internal or external linings of organs and glands. Basement membrane, one free surface
Types of epithelial tissues
Simple squamous Stratified squamous Cuboidal (stratified rare) Simple columnar Pseudostratified columnar Transistional Glands (endocrine, exocrine)
Epithelium Simple Squamous
Flat, single layered endothelium of blood vessels
Epithelia Simple Cuboidal
Glands and their ducts
Epithelial Simple Columnar
Cells tall, parallel brush border or microvilli endothelium of intestines
Transitional Epithelial
Urinary bladder
Glands
Both excretory and secretory
Endocrine
Ductless
Exocrine
Possess ducts that are tubular, aveolar, simple, complex
Epithelial Stratified Squamous
Multilayered with basal germinal layer epidermis skin
Epithelial Stratified Cuboidal
Gall bladder, sexual ducts
Epithelial Pseudostratified Columnar
Cells tall, not parallel ciliated endothelium of trachea