epithelial tissues Flashcards

1
Q

what is tissue?

A

tissues are composed of cells similar in structure and specialized to perform a specific function for the body

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2
Q

what are the types of tissues

A

epithelial tissue
connective tissue
muscle tissue
nervous tissue

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3
Q

what is epithelial tissue?

A

is a sheet of cells that covers a body surfaces or lines a body cavity

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4
Q

covers the outer and inner surfaces of most body organs

A

covering and lining epithelium

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5
Q

different forms of epithelial tissue

A

covering and lining epithelium
glandular epithelium

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6
Q

functions of epithelial tissue

A

protection
secretion
absorption
diffusion
filtration
sensory reception

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7
Q

structural/ special characteristics of epithelia

A

cellularity
specialized contacts
polarity
support by connective tissue
avascular but innervated
regeneration

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8
Q

a free surface that may be specialized for protection secretion or absorption

A

epithelial tissue

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9
Q

what are the classifications of epithelia

A

cell layers
shape of the cells

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10
Q

the two numbers of cell layers

A

simple
stratified

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11
Q

kinds of cell shape

A

squamous
cuboidal
columnar

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12
Q

a single layer of thin, flattened cells

A

simple squamous epithelium

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13
Q

found in areas where secretion or absorption occurs

A

simple cuboidal epithelium

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14
Q

a single layer of elongated cells

A

simple columnar epithelium

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15
Q

found in areas where diffusion or filtration occurs

A

simple squamous epithelium

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16
Q

a single layer of cube-shaped cells

A

simple cuboidal epithelium

17
Q

designed for protection, secretion or absorption

A

simple columnar epithelium

18
Q

single layer but nuclei situated at different levels in the cell

A

pseudostratified columnar

19
Q

syntheaize and secrete mucus on to the free surface and move mucus that contains foreign particles over the surfacenof the free surface and from passages

A

psuedostratified columnar

20
Q

many layers of flattened cells

A

stratified squamous epithelium

21
Q

2-3 layers of cube shaped cells

A

stratified cuboidal epithelium

22
Q

top layer of elongatwd cells lower layers of cube shaped cells

A

stratified columnar epithelium

23
Q

many layers of cube- shaped and elongated cells

A

transitional epithelium

24
Q

types of epithelial tissues

A

simple squamous
simple cuboidal
simple columnar
stratified squamous
stratified cuboidal
stratified columnar
pseudostratified columnar
transitional

25
Q

specialized to produce and secrete chemical substances into ducts or body fluids

A

glandular epithelium

26
Q

where do simple squamous epithelium found in body parts

A

lining of blood vessels and the heart
lymphatic vessels
alveoli of the lungs
portion of kidney tubules

27
Q

in which body parts can we find simple cuboidal epithelium

A

surfaces of the ovary, kidney tubules, glands, and their ducts, lining of the terminal brochioles of the lungs

28
Q

found in vlands and some ducts, bronchioles of lungs, uterus, auditory tubes, stomach intestine, gall bladder, bile ducts and ventricles of the brain

A

simple columnar epithelium

29
Q

where can we find the pseudostratified columnar

A

lining of the nasal cavity, nasal sinuses, auditory tubes, pharynx, trachea and bronchi of lungs

30
Q

forms the epidermis

A

stratified squamous epithelium

31
Q

location of stratified cuboidal epithelium

A

lining of larger ducts of sweat glandsm salivary gourds and the pancreas

32
Q

location of stratified columnar

A

use deferens, port of the urethra and the pharynx