Group of cells that carry out specialized activties.

Histo= tissue

..ology= study of

Study of cells and tissue; diseased 

Patho= disease 

A-Epithelial -Body surface, hollow organs 

B-Connective-Binds organs

C-Muscle-Movement and force

D-Nerous-Stimulates body functions

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     A.               B.               C.              D.

Germ Layer

Ectoderm

Primary layer which gives rise to nervous system and the epidermis of skin.

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Germ Layer

Mesoderm

Middle germ layer which gives rise to connective tissue,bood, and muscles

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Germ Layers

Ectoderm

Lower germ layer that gives rise to GI tract, urinary bladder, and respiratory tract.

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 Single layer (simple) of very thin, flattened cells (squamous). Function: diffusion and filtration. Found in air sacs of lungs, walls of capillaries.

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 Single layer, cube-shaped cells. Function: Secretion and absorption. Found: Lining of kidney tubules, ducts of glands, covering surface of ovaries

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Function and location: Moves fluids and particles along passageways. Found in respiratory tract, fallopian tubes, sinuses.

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Function and location: Micorvilli secretion & absorption.GI tract lining& gallbladder.

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