Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
Epithelium
|
sheetlike tissue with free surface facing the outside environment or a body fluid.
-simple=one layer -Stratifyed-two or more -Make absorb and secret substances |
|
tight junctions
|
prevent cells from leaking across tissue
|
|
adhering junctions
|
cement neighboring cells together
|
|
gap junctions
|
open channels between cytoplasm of abutting cells
|
|
exocrine glands
|
secrete mucus, saliva, earwas, oil, milk, digestive enzymes, and other cell products. get stuff out of body
|
|
endocrine glands
|
no ducts hormmones ususally enter bloodstream.
|
|
All connective tissue...
|
secrete coolage or elastin...fibers of structual proteins
|
|
loose connective tissue
|
fibers and fibrobalasts. loosely arranged in semifluid structure. *framework of epithelium
|
|
Dense, irregular connective tissue
|
mainly dominated by fibers and fibroblasts. in skin and capsules around some organs for structural supports
|
|
dense regular tissue
|
fibers in parallel rows. tendons and ligaments for strenght and elasticity
|
|
cartilige
|
pliable yet solid. resists compression. support flexion, lowfriction surface for joint movements
|
|
bone tissue
|
hardend mineral. protect softer tissue organs. production of blood.
|
|
adipose tissue
|
fat storage, insulation
|
|
skeletal muscle tissue
|
main tissue of muscle attatched to bones. actin and myosin. cylindrical long contractile cells.
|
|
smooth muscle
|
tappered cells. not striated. inside soft internal organs controlled constriction motility. arterial blood flow
|
|
cardiac muslce tissue`
|
only in heart. contract as unit. uneven striated fused together cylindrical cells.
|
|
neuroglia
|
protect and support the neurons structurally and metbolically
|
|
ectoderm
|
gives rise to the skins outer layer and to the nervous system's tissues
|
|
mesoderm
|
muscles and bones and circulatory reproductive and urinary
|
|
endodoerm
|
lining of digestive tract and organs to be dirived from
|