Basic tissue types Flashcards
What are the 4 basic tissue types?
1) Epithelium
2) Connective
3) Muscle
4) Neuronal
what are the basic characteristics of the epithelium?
cells are adherent one to another
one side is anchored and onther side is free
what are the 3 different categories of epithelium?
1) lining
2) glandular
3) special
what does lining epithelium do?
covers the surface of the body and other tubular structures
what does glandular epithelium do?
it is a secretory epithelium
what is the funciton of any epithelium?
1) cover a surface
2) line tubes and body
3) secrete (wax, sweat, mucus, enzymes…)
4) absorb
5) sense
6) protect
how is the cellular density of epithelial cells?
very dense
is epithelium vascular or avascular?
avascular
does epithelium have many or few nerve endings?
few
does epithelium have basement membrane?
yes
does connective tissue have basement membrane?
no
how is the cell density of connective tissue?
it is low
is connective tissue vascular or avascular?
vascular
does connective tissue have nerve innervation?
yes
in the basal lamina, integrins bind to what?
laminin
What are the different connective tissue types?
Mucuous Connective Tissue
Proper Connective Tissue
Special Connective Tissue
what are the 3 different special connective tissues?
Adipose
Cartilage
Bone
what are the functions of connective tissue?
connect
suspend
defend
provide nutrition
repair
What are the 2 cell of connective tissue?
1) Resident cells
2) Transient cells
Give 3 example of resident cells
1) fibroblast
2) mesenchymal cells
3) adipocytes
give 3 examples of transient cells.
1) leukocytes
2) plasma cells
3) neutrophils
what are the 3 components of proper connective tissue matrix?
1) tissue fluid: aqueous solution same as blood/without protein
2) ground substance: hold water in gel form
3) fibers: structural support
What are the 3 types of tissues in muscle?
1) skeletal
2) cardiac
3) smooth
what causes contraction in muscle tissue?
interaction of myosin and actin