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241 1-5 > C4 1-5 more > Flashcards

C4 1-5 more Flashcards

1
Q

epthelial special characteristic - polarity

A

apical-basal polarity: an upper free surface exposed to environment or cavity of an internal organ, and a lower attached to a basal surface.

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2
Q

epthelial special characteristic - specialized contacts

A

Tight, gap and demosomes junctions (barrier/communication/structure integrity)

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3
Q

epthelial special characteristic - supported by connective tissue

A

always! Supported by connective tissue

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4
Q

epthelial special characteristic - avascular but innervated

A

contains no blood vessels, but is supplied by nerve fibers.

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5
Q

epthelial special characteristic - regeneration

A

highly regenerative (mitosis)

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6
Q

epthelial special characteristic - cellularity

A

Tightly packed cells, like a sheet

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7
Q

Simple squamous - function/location

A

Diffusion/Filtration. in sites where protection is not important,

secretes lubricant in serosae —-

kidney glomeruli, air sacs of lungs, lining of heart, blood vessels, lymphatic vessels, serosae

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8
Q

simple cuboidal - function/location

A

secretion and some absorption —-

kidney tubules, ducts and secretory portions of small glands, ovary surface

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9
Q

Simple columnar - function/location

A

absorption, secretion of mucus, enzymes (ciliated type propels mucus or reproductive cells)

ciliated: lines small bronchi and uterine tubes, regions of uterus
nonciliated: digestive tract, gallbladder, excretory ducts of some glands

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10
Q

stratified squamous - function/location

A

Protects underlying tissue (from abrasion) —

skin, mouth, esophagus, vagina

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11
Q

pseudostratified columnar - function/location

A

secrete substances, particularly mucus, propulsion of mucus by cilary action —-

Ciliated: lining the trachea, upper respiratory tract

Nonciliated: sperm carrying ducts, ducts of large glands

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12
Q

transitional - function/location

A

allow stretching —-

ureters, bladder, part of urethra

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13
Q

Endothelium

A

Single layer of simple squamous cells that line the walls of the heart, blood vessels, and lymphatic vessels

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14
Q

Mesothelium

A

Epithelium found in serous membranes lining the ventral body cavity and covering its organs

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15
Q

Merocrine

A

glands that produce secretions intermittently

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16
Q

Holocrine

A

glands that accumulate their secretions within their cells, secretions are discharged only upon rupture and death of the cell

17
Q

Apocrine

A

producing a fluid secretion by pinching off the apex of the cellreleasing the secretory granules and a small amount of cytoplasm

18
Q

Covering and lining epithelium

A

forms the outer layer of the skin, dips into and lines the open cavities of the urogenital, digestive, and respiratory systems; and covers the walls and organs of the closed ventral body cavity

19
Q

glandular epithelium

A

fashions the glands of the body

20
Q

Collagen?

A

Made from the protein, collagen, bundled into thick cords, tough

21
Q

Elastic?

A

Made from rubber like protein, elastin, snap fibers back into shape after stretching

22
Q

Reticular?

A

Made from short, fine collagen forming delicate networks, support soft tissue and blood vessels

23
Q

What are the resident cells of connective tissue proper?

A

Fibroblasts, fibrocytes, defense cells, adipocytes

24
Q

What are the resident cells of cartilage?

A

Chondroblasts, chondrocytes

25
Q

What are the resident cells of bone?

A

Osteoblasts, osteocytes

26
Q

What are the resident cells of blood?

A

erythrocytes, leukocytes, platelets

27
Q

What are the three types of fibers found in connective tissue?

A

collagen, reticular, elastic

28
Q

Types of connective tissue? 4 w/3-3-3-2

A

Loose - areolar/adipose/reticular, Dense - regular/irregular/elastic, Cartilage - hyaline/elastic/fibrocartilage, Bone - compact/spongy, Blood

29
Q

function/location/matrix/fibers/cells loose areolar

A

wraps and cushions organs, holds fluid, inflammation/
under epithelia/
gel-like matrix/
all 3 fibers/
fibroblasts, macrophages, mast cells, wbc.s

30
Q

function/location/matrix/fibers/cells loose adipose

A 
insulates, reserve fuel, supports and cushions
subcutaneous tissue/
sparse gel-like matrix/
all 3 fibers/
adipocytes
31
Q

function/location/matrix/fibers/cells loose reticular

A 
support by soft internal skeleton (stroma) of other cell types
lymphoid organs/
loose ground substance/
reticular fibers/
Reticular cells
32
Q

function/location/matrix/fibers/cells Dense regular

A 
attaches and withstands tensile strength
tendons-ligaments/
---/
collagen with a little elastic/
fibroblast
33
Q

function/location/matrix/fibers/cells Dense irregular

A 
withstand tension from many direction andstructural strength/
joints/
---/
collagen with some elastic/
fibroblast
34
Q

function/location/matrix/fibers/cells Dense elastic

A

Tissue recoil after stretching, maintains blood flow/

Arteries, ligaments of vertebral column, bronchial tubes
/—/
mostly elastic/
Fibroblasts

35
Q

function/location/matrix/fibers/cells Hyaline cartilage

A

support-reinforce, cushion, resist compressive stress/
nose, ends of long bones, costal cartilage, trachea, larynx, embryo skeleton/
firm matrix/
collagen fibers(unseen)/
chondrocytes

36
Q

function/location/matrix/fibers/cells Elastic cartilage

A

structure with flexibilty/external ear/firm matrix/elastic-collagen/chondrocytes

37
Q

function/location/matrix/fibers/cells Fibrocartilage

A 
Absorb compressive shock/
intervertebral and knee discs, pubic symphysis
less firm matrix than other cartilage/
predominately thick collagen/
chondrocytes
38
Q

function/location/matrix/fibers/cells Bone

A 
Support and protect, levers, stores calcium, site of blood formation/
bones/
calcified matrix/
collagen/
osteocytes?
39
Q

function/location/matrix/fibers/cells Blood

A 
Transport/
blood vessels/
fluid matrix/
Soluble fibers/
erythrocytes, wbc

241 1-5 (8 decks)

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