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Human Anatomy & Phi > Epithelial > Flashcards

Epithelial Flashcards

1
Q

Cuboidal

A

Cube-shaped

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2
Q

Columnar

A

Column-like (oval shaped nuclei sit at bottom)

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3
Q

Transitional

A

Stretchy and variably shaped

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4
Q

Simple layer

A

Single layer all of the same type

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5
Q

Stratified layer

A

Serval layers, named by type of cell in outer layer

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6
Q

Epithelial

A 
Outer layer 
Very top layer
form sheets of cells
Avascular - but had nerve endings
Can have cilia & microvilli
Replaced frequently (regenerative)
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7
Q

Simple squamous epithelium

A

Structure: single layer of thin; flattened cells
Function: suited for diffusion

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8
Q

Simple squamous epithelium

A

Location: lines inside of all blood vessels (endothelium)
Lines inside of heart (endocardium)
Lines walls of capillaries & responsible for feeding tissue and alveoli (air sacs of lungs)

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9
Q

Simple cuboidal epithelium

A

Structure: single layer of cube shaped cells with centrally located nuclei
Function: secretion and sometimes absorption

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10
Q

Simple cuboidal epithelium

A

Location: kidney tubules and ducts of some glands (salivary, thyroid, pancreas, and liver) and glands

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11
Q

Endocrine

A

Makes their product and secretes it into the matrix (fluid outside cell)

  • capillaries come inside the gland and pickup the product
  • product is always hormone
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12
Q

Exocrine

A

Secretes its products outdid of itself using s duct

Ex| saliva mucous sweat enzymes oil wax reproductive fluids and milk

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13
Q

Merocrine secretion

A

Cells release their product through exocytosis

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14
Q

Aprocrine secretion

A

The Alex of the cells become full of product, pinches off and moves into the duct and finally breaks down releasing product

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15
Q

Holocrine secretion

A

The whole cell becomes full of product and ruptures to release the product

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16
Q

Simple columnar epithelium

A

Structure: elongated cells, nuclei are all located near the basement membrane, often have microvilli or cilia
Function: tissue is a big absorber and cilia bell move things

17
Q

Simple columnar epithelium

A

Location: line uterus/ Fallopian tubes, stomach and intestines

18
Q

Psudostratufied columnar epithelium

A

Structure: looks like more than one layer but is not. Nuclei not all at bottom, have cilia, also have goblet cells

Function: sweeps debris out of lungs, goblet cells produce mucin histamine

19
Q

Keratin

A

Tough and waterproof protein that can be added to this layer.

Tissues that have this protein are called Keratinized

20
Q

Desquamification

A

Cells are dead they respond to friction by falling off. Takes friction swag from body

21
Q

Carcinoma

A

Any type of cancer to the epithelial tissue (skin cancer)

22
Q

Basal cell carcinoma

A

-looks like pimple that won’t go away

Usually cured

23
Q

Squamous cell carcinoma

A

-99% cure rate
Too much skin exposure
Cancer

24
Q

Malignant melanoma

A

Deadly cancer worst one

Genetic link

25
Q

Stratified squamous epithelium

A

Structure: flattened layers of cells

Function: wear and terse tissue
Made up of logs of low energy friction exposure to the environment; protect from fluid loss and invasion

26
Q

Stratford squamous epithelium

A

Location: makes up outer layer of skin and lines mouth throat vagina and anal canal

27
Q

Method of looking for skin cancer

A

A- asymmetry
B-boarder
C-color
D-diameter

28
Q

Stratified cuboidal epithelium

A

Structure: two or three layers of cuboidal cells lining an open ring of larger glands (endocrine)

Function: several layers of cells provide great protection than one single layer, secretors

29
Q

Stratified cuboidal epithelium

A

Location: mammary glands, sweat glands, salivary glands, and pancreas

30
Q

Stratified columnar epithelium

A

Structure: several layers of columnar cells

Location: not located in very many places in he body

Vas deferens (male reproductive) and parts of the pharynx, distal esophagus and cardiac sphincter

31
Q

Transitional epithelium

A

Distend and return to its normal size, as in lining of urinary bladder

32
Q

Cutaneous

A

Epithelium membrane

Tarp over boat

33
Q

Mucous

A

Epithelial membrane

Lines opening to outside (digestive tract, respiratory, ruminating, reproductive)
Contain specialized cells that produce mucous

34
Q

Serous

A

Epithelial membrane

2 layered membrane w/ potential space in between

35
Q

Parietal

A

Lines walls of cavities

Reduces friction between tissues and organs

36
Q

Visceral

A

Wraps around organs

Reduces friction between tissues and and organs

37
Q

Squamous

A

Flat (squashed)

Human Anatomy & Phi (1 decks)

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