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A&P Hour Test 1
A&P Hour Test 1
15
Anatomy
Undergraduate 1
03/09/2010

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Term
APICAL SURFACE
Definition
Free surface of the EPITHELIAL TISSUE
Term
EPITHELIAL TISSUES
Definition
Cover body surfaces and line body cavities
Term
BASAL SURFACE
Definition
Deeper, attached surface of an epithelium
Term
MICRO VILLI
Definition
finger-like extensions of the APICAL SURFACE of some epithelia
Term
What is the FUNCTION of the MICRO VILLI?
Definition
absorption and secretion
Term
CILIA
Definition
Motile hairlike projections of the APICAL SURFACE of some epithelia
Term
What is the FUNCTION of CILIA?
Definition
propelling substances along their surface
Term
What is the RETICULAR LAMINA COMPOSED of?
Definition
Collagen fibers
Term
BASAL LAMINA
Definition
Thin supporting sheet lying adjacent to the basal surface of an epithelium
Term
What is the BASAL LAMINA COMPOSED of?
Definition
Mostly glycoprotein along with some collagen fibers
Term
What is the FUNCTION of the BASAL LAMINA?
Definition
Selective filter for molecules coming from the underlying loose connective tissue
Term
RETICULAR LAMINA
Definition
Sheet of thick collagen fibers that the BASAL LAMINA is connected to.
Term
ENDOTHELIUM
Definition
Simple squamous epithelium that lines the inner walls of lymphatic vessels, blood vessels, and heart chambers
Term
MESOTHELIUM
Definition
Simple squamous epithelium that covers the outer surface of visceral organs and lines major body cavities
Term
BASEMENT MEMBRANE
Definition
composed of the BASAL LAMINA and the RETICULAR LAMINA and binds EPITHELIAL TISSUES to underlying loose connective tissue.
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