Flashcards in 15Chapter 5: Histology Deck (17)
What are the 3 embryonic tissues?
1. ectoderm (outer)
3. endoderm (inner)
Where do u find epithelial tissue?
-covers body surface,
-lines body cavities,
-forms external and internal linings of many organs, mostly glandular tissue
Are there blood vessels and/or extracellular materials (ECM) in epithelial tissue?
no blood vessels
very little ECM
What are the two broad categories with epithelial tissue?
simple and stratified
What are the 4 types of epithelia in each category names for shapes of cells?
-pseudostratified (or other)
What is connective tisssue (CT) made of?
mostly matrix= GS and fibers with widely separated cells
What are the 5 classifications of CT?
What are the functions of CT? give an example.
-Bind organs. ex. tendons bind muscle to bone
-Support. ex. bones support the body
-Immune protection. ex. CT cells attack foreign invaders
-Movement. ex. bones provide lever system for body movement.
-Storage. ex. fat is energy reserve, bone reservoir of Ca+ and PO4^3-.
-Transport. ex. blood transports gases, nutrients, wastes, etc.
Where is transitional epithelium found?
What covers the external surface of the stomach?
A seminiferous tubule of the testis is lined with ______ epithelium.
________ prevent fluid from seeping between epithelial cells.
What does a fixative serve to do?
stop tissue decay
What produces collagen of areolar tissue?
Tendons are composed of ______ connective tissue.
What causes that shape of the external ear?