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Science For Medicine > tissues > Flashcards

tissues Flashcards

1
Q

what is epithelial tissue

3 things

A

covers surfaces, forms glands, separates compartments

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2
Q

what is connective tissue

A

anything that isn’t muscle, nerve or epithelial tissue

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3
Q

what dose connective tissue do

A

connects
extracellular matrix
examples - bone, blood, adipose

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4
Q

what is the basement membrane

what is it made up of
top to bottom

A

a thin layer of tissue that separates the epithelium from the underlying connective tissue

Basal lamina
reticular lamina

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5
Q

what are the classes of simple Epithelial tissue that are secretory and found in the gut/ovary

A

squamous, cuboidal, columnar

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6
Q

what type of stratified epithelium are used in the urinary balder- what do they do

A

transitional

Protective & impermeant

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7
Q

what epithelium are found in the trachea

A

Pseudostratified columnar epithelium

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8
Q

what are the type of stratified epithelium found in he gut

A

secretory
squamous
cuboidal
columnar

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9
Q

what do glands consist of

A

mostly secretory epithelial cells

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10
Q

where do Exocrine glands secrete

A

into tubes

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11
Q

where do endocrine secrete

A

into the blood

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12
Q

how do glands develop

A

from columnar epithelium with stem cells

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13
Q

what are the 2 types of simple exocrine gland

A

tubular - long Colum

ACINAR - light bulb shape

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14
Q

what is the compound exocrine gland

A

tubuloacinar

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15
Q

what are the two types of exocrine glands

what do they secrete

A

mucous galnds
secretion + water = mucus
proteoglycans (heavily glycosylated proteins)

serous glands - protein rich secretions - PANCREAS

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16
Q

Myoepithelial cells

A

found in glandular epithelium as a thin layer above the basement membrane

sweat glands, mammary glands

17
Q

why are steroids only made on demand

A

as they leak out of cell

18
Q

what are the two types of endocrine glands

A

proteinaceous secretion

steroid gland - adrenal cortex

19
Q

what is the main epithelial cell in liver

what dose it do

A

Hepatocytes arranged in rows between blood vessels

secretion

20
Q

what is the parenchyma

A

the main bulk of an organ comprising of the functional parts of an organ

21
Q

what is the parenchyma of the kidney

what is its function

A

Epithelial cells organised into nephrons

filtration of blood, partial absorption of filtrate,

22
Q

how is collagen formed

A

fibroblasts

triple stranded

23
Q

what are the 5 problems that can occur from abnormal function of epithelial cells

A 
over-proliferation
under-proliferation
over-secretion
under-secretion
loss of cilia / ciliary beat
24
Q

what are the 3 components that make up the extracellular matrix

A

fibres - rope like
ground substances - jelly like substance
tissue fluid - liquid

25
Q

what is the abnormal function of
bone
cartilage

A

osteoporosis

tear

Science For Medicine (17 decks)

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