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Lecture 5
Histology
22
Anatomy
Undergraduate 1
10/19/2013

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Term
Histology
Definition
Microscopic anatomy- Study of tissues and cellular arrangement
Term
Tissue
Definition
Cells and cell products that perform a similar structural or physiological role.
Term
Epithelial Tissue
Definition
Barrier/protective tissue
Term
Connective Tissue (CT)
Definition
Supportive tissue
Term
Nervous Tissue
Definition
Communicative tissue
Term
Muscular Tissue
Definition
Movement
Term
Matrix
Definition
Extracellular material. (Connective tissue)
Term
Fibrous Proteins
Definition
Ex. Collagen (strength) and elastin ("returns")
Term
Ground Substance
Definition
Thick fluid composed of water, dissolved gases, nutrients, wastes, other chemicals.
Term
What is tissue composed of...
Definition
Cells and the matrix
Term
Embryonic Tissue
Definition
All cells of the body arise from a single cell
Term
Primary Germs Layers
Definition
Layers of embryonic cells
Term
Ectoderm
Definition
Forms skin and nervous tissue
Term
Mesoderm
Definition
Forms muscle, bone and blood tissues
Term
Endoderm
Definition
Forms gastrointestinal and respiratory tissues
Term
Epithelial Tissue
Definition
Flat sheet of closely adherent cells
Term
Membrane
Definition
A thin sheet of epithelial cells that forms a barrier between the environment and body tissues
Term
Glands
Definition
Epithelial cells that produce a chemical product
Ex. Sweat glands of the skin
Term
Simple
Definition
One cell layer, surfaces meant for absorption.
Ex.GI tract
Term
Stratified
Definition
2 to 20 cell layers, durable surfaces
Ex. Skin
Term
Basement Membrane
Definition
Thing underlying sheet of connective tissue. Binds the epithelial cells to the body surface
Term
Cutaneous Membranes
Definition
Stratified squamous epithelial, skin
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