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anatomy and physiology > ch 4 identifying types of tissues > Flashcards

ch 4 identifying types of tissues Flashcards

1
Q

features of epithelial tissue

A
  1. cellularity & specialized contacts
  2. polarity
  3. Avascular
  4. has a nerve supply
  5. high capacity of renewal
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2
Q

what is cellularity & specialized contacts (feature of epithelial tissue)

A

cells fit closely together with little extracellular material between them

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3
Q

what does polarity mean in epithelial tissue

A

one free surface (apical surface) and one connected surface (basal surface)

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4
Q

what does avascular mean in epithelial tissue

A

no blood supply

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5
Q

what are classifications of epithelial tissue

A
  1. arrangement
    - simple
    - stratified
  2. cell shape
    - squamous
    -cuboidal
    - columnar
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6
Q

simple squamous epithelium tissue (w.m) location

A

lines heart, blood vessels, lymphatic vessels

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7
Q

simple squamous epithelium tissue (w.m) function

A

filtration, diffusion, osmosis, secretion in serous membrane

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8
Q

IDENTIFY SIMPLE SQUAMOUS EPITHELIAL TISSUE IN MICROSCOPE

A

single layer of flat cells-looks like tiled floor…oval or spherical in shape

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9
Q

IDENTIFY SIMPLE CUBOIDAL EPITHELIAL TISSUE IN MICROSCOPE

A

single layer of cube shaped cells has nucleus, oval shaped ring with lumen (looks like air pocket inside)

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10
Q

simple squamous epithelial tissue (c.s) location

A

kidney glomeruli, air sacs of lungs, lining of the heart and blood vessels

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11
Q

simple squamous epithelial tissue (c.s) function

A

allows materials to pass through via diffusion.
filtration

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12
Q

IDENTIFY STRATIFIED SQUAMOUS EPITHELIAL TISSUE IN MICROSCOPE

A

two or more layers of cells
apical layer and several layers deep are squamous
deep layers are cuboidal or columnar

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13
Q

what is a keratinized stratified squamous epithelium

A

a type of stratified squamous epithelial tissue
develops a tough layer of keratin in apical layer and several deep to it

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14
Q

what is keratin

A

tough protein that helps protect the skin and underlying tissues from microbes, heat and chemicals

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15
Q

what is/ what does nonkeratinized stratified squamous epithelium do

A

does not contain keratin in apical layers and several layers deep to it
remains moist

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16
Q

stratified squamous epithelium tissue location

A

keratinized-superficial layer of skin
nonkeratinized-lines wet surfaces (lining of mouth, esophagus, vagina) and covers tongue

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17
Q

stratified squamous epithelium tissue function

A

protection
provides first line of defense against microbes

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18
Q

simple cuboidal epithelial tissue function

A

secretion and absorption

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19
Q

simple cuboidal epithelial tissue location

A

lines kidney tubules and smaller ducts of many glands
covers surface of ovary

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20
Q

IDENTIFY SIMPLE CUBOIDAL EPITHELIAL TISSUE

A

single layer of cube-shaped cells, round, centrally located nucleus.

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21
Q

stratified cuboidal epithelial tissue function

A

protection and limited secretion and absorption

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22
Q

stratified cuboidal epithelial tissue location

A

ducts of adult sweat glands and esophageal glands and part of male urethra

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23
Q

IDENTIFY STRATIFIED CUBOIDAL EPITHELIAL TISSUE

A

two or more layers of cells
cells in the apical layer are cube-shaped. fairly rare type

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24
Q

Simple columnar epithelial tissue function nonciliated

A

secretion and absorption
secreted mucus lubricates linings of digestive, respiratory and reproductive tracts.

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25
Simple columnar epithelial tissue location nonciliated
lines mots of the gastrointestinal tract (from the stomach to the anus) ducts of many glands and gallbladder
26
IDENTIFY SIMPLE COLUMNAR EPITHELIAL TISSUE non ciliated
single layer of nonciliated column-like cells with nuclei near bases of cells, cells contain microvilli and goblet cells
27
stratified columnar epithelial tissue function
protection and secretion
28
stratified columnar epithelial tissue location
lines parts of the urethra, large excretory ducts of some glands (ex. esophageal glands), part of the conjunctiva of eye
29
ID stratified columnar epithelial tissue
basal layers usually consist of shortened, irregularly shaped cells, only apical layer has columnar cells. uncommonn
30
pseudostratified columnar epithelium tissue function
secretes mucus that traps foreign particles, and the cilia sweep away the mucus for eventual elimination from the body
31
pseudostratified columnar epithelial tissue location
lines the airways of most of the upper respiratory tract
32
ID pseudostratified columnar epithelial tissue
appears to have several layers bc the nuclei of the cells are at various levels
33
transitional (Urothelium) Epithelium tissue function
allows urinary organs to stretch to hold a variable amount of fluid without rupturing while still serving as a protective lining
34
transitional (urothelium) epithelium tissue location
lines urinary bladder and portions of ureters and urethra
35
connective tissues functions
supports and binds
36
connective tissues location
everywhere insulating internal organs skeletal muscles
37
4 major groups of connective tissue
proper supporting blood bone
38
Areolar Connective tissue function
strength, elasticity, support
39
areolar connective tissue location
in and around nearly every structure "packing material" of the body superficial region of the dermis of skin around blood vessels, nerves, body organs
40
ID areolar connective tissue
contains fibers that are randomly arranged and embedded in a semifluid ground substance
41
Adipose connective tissue function
reduces heat loss through skin energy reserve support and protects organs
42
adipose connective tissue location
wherever areolar connective tissue is located, subcutaneous layer deep to skin yellow bone marrow, padding around joints
43
ID adipose connective tissue
has adipocytes for storages of triglycerides, cells fill up with a large triglyercide droplet
44
reticular connective tissue function
forms stroma of organs binds together smooth muscle tissue cells
45
reticular connective tissue location
stroma of liver, spleen red bone marrow
46
ID reticular connective tissue
fine interlacing network of reticular fibers and reticular cells
47
Dense regular connective tissue function
provides strong attachment between various substance. tissue structures resists pulling (tension) along long axis of fibers
48
dense regular connective tissue location
forms tendons(attaches muscle to bone), most ligaments, aponeuroses(sheetlike tendons that attach muscle to muscle or muscle to bone)
49
ID dense regular connective tissue
extracellular matrix looks shiny white and consists of mainly collagen fibers in bundles
50
dense irregular connective tissue function
provides tensile (pulling) strength in many directions
51
dense irregular connective tissue location
occurs in sheets such as fasciae (tissue beneath skin and around muscles and other organs) heart valves joint capsules
52
ID dense irregular connective tissue
consists predominantly of collagen fibers randomly arranged and a few fibroblasts
53
dense connective tissue-elastic tissue function
allows stretching of various organs is strong and can recoil to original shape after being stretched
54
dense connective tissue-elastic location
lung tissue true vocal cords suspensory ligaments of penis
55
ID dense connective tissue - elastic
predominantly of elastic fibers, fibroblasts are present in spaces between fibers, unstained tissue is yellowish
56
non ciliated pseudostratified columnar epithelium function
absorption and secretion
57
non ciliated pseudostratified columnar epithelium location
lines epidermis, parts of male urethra parotid glands
58
transitional (urothelium) epithelium tissue ID
appearance is variable
59
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anatomy and physiology (18 decks)

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