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DesLee26
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__ are arranged in __ that provide specific functions for the body.
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__ of different __ are structured differently, which leads to their differences in function.
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The tissues of the human body include __ major types, which are __?
- 4
- epithelial
- muscle
- connective
- nervous
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What is the function of epithelial tissue?
- widespread throughout body
- covers organs
- lines body surfaces
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Epithelial tissues are anchored to a __, are made up of tightly packed cells containing little __, generally lack __, and are replaced frequently.
- basement membrane
- intercellular material
- blood vessels
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Epithelial tissues function in __, __, __, _ and __.
protection, secretion, absorption, xcretion and sensory reception
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What are the nine types of epithelial tissue?
- simple squamous
- simple cuboidal
- simple columnar
- pseudostratified columnar
- stratified squamous
- stratified cuboidal
- stratified columnar
- transitional
- glandular
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Simple Squamous Epithelium
1) What is it made up of?
2) What does it do/ line?
- 1) a single layer of thin, flattened cells
- 2) functions in exchange of gases in lungs and lines blood and lymph vessels as well as body cavities
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Simple Columnar Epithelium?
1) What is it made up of?
2) What does it line/ do?
3) In the __, these cells posses __ that do what?
4) __ can be found among columnar cells.
- row of elongated cells whose nuclei are all located near the basement membrane
- 2) line sthe uterus, stomach and intestines where it protects underlying tissues, secretes digestive fluids and absorbs nutrients
- 3) intestine/ microvilli/ increase the surface area available for absorption
- 4) mucus-secreting goblet cells
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Simple Cuboidal Epithelium?
1) What is it made of?
2) What is its function?
- 1) consists of a single layer of cube-shaped cells with centrally located nuclei
- 20 functions in secretion and absorption in the kidneys and in secretion in glands
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Pseudostratified Columnar Epithelium
1) __
2) __ may be present, along with __, that do what?
3) In the __, __ on thse cells aid in __ through the __ to the __.
- 1) these cells appear layered due to the varying position sof their nuclei within the row of cells, but are not truly layered
- 2) cilia/ mucus-secreting goblet cells/ line and sweep debris from respiratory tubes
- 3) female reproductive tract/ cilia/ moiving eggs/ oviducts/ uterus
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Straitified Squamous Epithelium
1) What is it made up of?
2) What does it make up/ line?
3) In the __, outer layers of cells undergo __; hoewver, this process does not occur where tissues remain __ in the __, __, or __.
- 1) layers of flattened cells that are designed to protect underlying layers
- 2) makes up the outer layer of skin and line sthe mouth, throat, vagina nad anal canal
- 3) skin/ keratinization/ moist/ throat, vagina, or anal canal
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Stratified Cuboidal Epithelium
1) This tissue coniststs of __ to __ layers of __ cells lining a __ of the __, __, __, and __
2) Several layers of cells provide greater __ than one single layer
- 1) two/ three/ cuboidal/ lumen/ mammary, salivary, sweat glands, and pancreas
- 2) protection
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Straitified Columnar Epithemium
1) This tissue consists of several layers of cells and is found in the __, part of the __, and parts of the __.
1) vas deferens/ male urethra/ pharynx
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Transitional Epithelium
1) Transitional Epithelium is designed to __ and __, as it does in the lining of the __.
2) This design provides _ and keeps __ from diffusing back into the __.
- 1) distend/ return to its normal size/ urinary bladder
- 2) distensibility/ urine/ internal cavity
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Glandular Epithelium
1) This tissue is made up of cells designed to __ and __ into __ or into __
2) What is the difference between exocrine and endocrine glands?
3) Glands are classified by the ways the glands __.
a) __ release fluid products by __ and are grouped as __ or __.
- __ produce a watery fluid filled with enzymes
- __ secrete a thicker, protective substance called __
b) __ lose portions of their cell 1bodies during __.
c) __ release entire cells (__)
- 1) produce/ seccrete/ ducts/ body fluids
- 2) endocrine: glands that secrete into body fluids and blood/ exocrine: glands that secrete products into ducts
- 3) secrete their products
- a) Merocrine glands/ exocytosis (pancreas)/ serous/ mucus- producing
- - Serous cells
- - mucus cells/ mucus
- b) apocrine glands/ secretion (mammary glands)
- c) holocrine glands/ (sebaceous cells)
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