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45 Cards in this Set

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what are the 4 types of tissues?
epithelial
connective
muscular
nervous
epithelial
barrier/lining or a gland
tightly packed, numerous #'s of individual cells
no direct bloodvessels
connective
varied in what they do
bones-hard
blood-liquid,plasma
(^both have matrix's)
fat tissue
muscular
all have special characteristic-they contract
what are the three types of muscular tissue?
skeletal
smooth
cardiac
nervous
detects changes inside and outside the body and repsonds by generating action potentials (nerve impulses0 that help maintainence of homeostasis
movement
stimulation
generates electricity
epithelium
consists of cells arranged in continuous sheets, in either single or multiple layers
epithelial cells
numerous, tightly packed, arranged in sheets or layers or a few individual cells (glands)
basal surface area
has basement membrane
basement membrane
extracellular layer between epithelium and connective tissue consisting of a basal lamina and reticular lamina protien, serves as a barrier between epithelial from anything ajoining it
O2 in cell
simple diffusion
C6H12O6 in cell
facilitated diffusion
epithelial division
mitosis occurs easily
lumen
hollow portion of tubes
epithelial lining
apical side closer to lumen
basal side further from lumen
single layer
simple
multilayered
stratified
squamous cell
flat
cuboidal cell
cube shaped
columnar cell
rectangular
pseudostratified
looks stratified but is simple
transitional
change shape then go back to original shape
Example of transitional
urinary bladder-
full--cuboidal-->squamous
after urination back to cuboidal
ciliated
cilia present
nonciliated
no cilia present
What are the two types of glands in human body?
exocrine
endocrine
exocrine
make and process into ducts
secretions delivered to surface of location
Examples of exocrine
sweat, saliva, bile, tears, musous, oil, earwax, milk, vaginal fluid
endocrine
ductless-secretes hormones
delivered put of cell by exocytosis made somewhere but targets somewhere else
to deliver product carried by blood
Examples of endocrine
estrogen, testosterone, adrenaline
connective tissue
most abundant tissue found in humans
matrix components
ground substance and fiber (proteins)
fiber
protein molecules found in matrix area, collagen, elastic, reticular
ground substance
watery, hard, rubbery, varies in what it contains & consistency
collagen fiber
made up of protein
usually long and arranged in bundles
very strong & tough
resistant to stretching
strongest fiber
most abundant
where is collagen fiber found?
ligaments & tendons
skin & hair
elastic fiber
protein-elastin
strong ability to stretch & bend
does lose stretch
bundles of fiber
cylindrical
where is elastic fiber found?
skin, blood vessels, lungs
reticular collagen
thinner in weavy form, strong
where is reticular collagen found?
in areas where connective tissue supports something
cells in connective tissue
less numerous, further apart, not densely packed
vascular-bloodvessels associated with nerves
vascular
contains blood vessels associated with nerves
avascular
no blood vessels or nerves
loose connective tissue
most abundant
3 types of loose connective tissue
areolar
adipose
reticular