Project Components: Powerpoint Project……….Epithelial Lecture Excel Component………...Visual Outline Word Component…………Student Notes Powerpoint Component…...Student.

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Project Components: Powerpoint Project……….Epithelial Lecture Excel Component………...Visual Outline Word Component…………Student Notes Powerpoint Component…...Student Quiz Created by… Stephen Chitraroff

Anatomy and Physiology MVHS Science Mr. Chitraroff Main Menu Begin

organelles cells tissues tissue systems organs organ system organism Main Menu

Epithelial tissues are widespread throughout the body and are responsible for:  covering all body surfaces.body surfaces  lining body cavities and hollow organs.  form the major tissues in glands.  perform a variety of functions including:  Absorption  Filtration  Excretion  Secretion  Diffusion  Protection Main Menu

The 3 main categories of epithelium areThe 3 main categories of epithelium are: –Squamous (squashed or flattened). –Cuboidal (cube-shaped) –Columnar (rectangular) Main Menu

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FormFunctionLocationsSimpleSingle layerAbsorptionBlood Vessels StratifiedMultiple layersProtectionSkin, Dig. Tract Main Menu

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Locations : Capillary walls, alveoli of the lungs, covering visceral organs, lining body cavities Function: diffusion and filtration Main Menu

Locations : Integument (Skin), mouth, vagina, anus. Function: protection. Main Menu

Locations : Ureter, urinary bladder. Function: distention and elasticity. Main Menu

Locations : lining of the digestive tract. –Small intestine –Large intestine –Rectum Function: Protection, secretion, absorption. Main Menu

Locations : lining of the respiratory tract. –trachea –Nasal passageway –Bronchi of lungs Function: move pollutants to the mouth where they are swallowed. –Filtration. Main Menu

Locations : lining of the respiratory tract. –trachea –Nasal passageway –Bronchi of lungs Function: move pollutants to the mouth where they are swallowed. –Filtration. Main Menu

NOTE: This type of epithelium is often confused with stratified columnar epithelium due to the arrangement of the nuclei. Free Surface Basement Membrane Main Menu

Locations : largest ducts of the salivary glands. –Submandibular gland (lower jaw) –Parotid gland (side of face) –Mucosal glands (amylase-releasing) Function: passageway for digestive enzymes released by salivary glands. Main Menu

Locations : lining kidney tubules, salivary ducts and pancreatic ducts (pancreas). Function: secretion, excretion and absorption. Main Menu

Location : sweat ducts in the dermis layer of the skin. Appearance : generally 3-4 layers thick. Function: secretion of and transportation of sweat to the skin’s surface. Main Menu

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