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Tissues
Chapter 4
16
Veterinary Medicine
Undergraduate 1
10/17/2011

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Term
epithelial tissues (functions)
Definition
secretion from glands (ex: sweat, milk)
absorption (ex: intestine)
protection - covers and lines things (ex: skin)
Term
simple epithelial tissues
Definition
1 layer of cells (like a sheet)

better for passage of things like gases and nutrients
Term
stratified epithelial tissue
Definition
multiple layers (stacked)

better where protection is needed
Term
squamous
Definition
flat

best for passage of substances between cells
Term
cuboidal
Definition
square

cells that release a lot of a product
Term
columnar
Definition
tall and narrow (like a column)

cells that release a large amount of something
Term
endocrine glands
Definition
releases products (mostly hormones) directly into bloodstream so products can act at distant site

ex: thyroid gland releases thyroid hormone which acts at all other organs
Term
exocrine glands
Definition
releases products into the external environment through a duct

ex: sweat gland releases sweat into duct that empties onto surface of skin
Term
connective tissue
Definition
provides support to other tissues
Term
areolar tissue
Definition
loose connective tissue
most common type of CT, supports and cushions everything
Term
adipose tissue
Definition
aka fat - used for cushioning and energy storage
Term
dense regular CT
Definition
found in tendons and ligaments
very strong in one direction because fibers are all aligned
Term
dense irregular CT
Definition
found in the dermis of skin
very strong in all directions because fibers are 'irregular', aligned in all directions
Term
name the three types of specialized connective tissue
Definition
cartilage, bone, blood
Term
all connective tissue types are mad of _____ cells
Definition
fibroblast
Term
fibroblast cells make what 2 things?
Definition
ground substance
fibers (collagen, elastic)
these two things make CT strong and keep it together
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