Adipose tissue Flashcards

1
Q

its cells are found in isolated/small groups within loose/dense connecive tissue, but can occur in large as fats in many body regions and organs.

A

Adipose tissue

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2
Q

Key component of body’s overall energy metabolism.

A

adipose tissue

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3
Q

asipose tissue stores energy in a form of

A

Triglycerides

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4
Q

adipose tissue has very active cells responding to

A

both neurons and hormonal stimuli

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5
Q

endocrine tissue

A

Adipose tissue

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6
Q

insulates and cushions organs in place

A

Adipose tissue

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7
Q

unlike other CT, adipocytes are sorrounded by

A

a thin external lamina containing type IV collagen

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8
Q

soul source of polypeptide hormone called

A

Leptin

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9
Q

the hormone leptin is a

A

satiety factor with target cells in hypothalamus and other organs

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10
Q

hormone made by adipose cells, helps regulate energy by inhibiting hunger

A

Leptin

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11
Q

leptin oppose the action of

A

grelin

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12
Q

grelin is a

A

hunger hormone

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13
Q

Helps regulate apitite under normal condition and participate in regulating the formation of new adipose tissue.

A

Leptin

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14
Q

increased visceral adipose tissue raises the risk of

A

diabetes and CVD

increased subcutaneous fat does not

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15
Q

during ____ all unilocular adiposites lose nearly all their fats and become ___ or ______ with only very small lipid droplet

A

starvations

polyhedral/spindle shaped cells

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16
Q

leptin+reactive protein

A

preventing brain entry/ leptin can’t go to brain

more grelin production

stomach will loosen up

17
Q

2 types of adipose tissue

A

white adipose tissue

brown adipose tissue

18
Q

white adipose tissue is also called

A

uninocular adipose

19
Q

has signet ring appearance

A

white adipose tissue

20
Q

most common type, compose of cells that when completely developed, contains 1 very large droplet of witish yellow fat in their cytoplasm.

A

white adipose tissue

21
Q

brown adipose tissue also called

A

multilocular adipose

22
Q

contains cell with multiple lipid droplets interspersed among abundant mitochondria which gives a darker appearance

A

brown adipose tissue

23
Q

adipose tissue also came from

A

Mesenchymal cells

24
Q

can be fibroblast or free adipocytes

A

brown adipose tissue

25
Q

functions of White adipose tissue`

A

-Specialize for long term energy storage

26
Q

Why is white adipose tissue called unilocular?

A

Because triglycerides are stored in alarge dipid droplet

27
Q

almost all adipose tissue in adults are

A

uninocular

28
Q

benign tumors

A

lipoma

29
Q

malignant adipose tumor

A

liposarcomas

30
Q

fetal lipoma of brown fat

A

hybernoma

31
Q

obesity is caused by

A

excessive formation of adipose tissue when energy intake exceeds energy expenditure

32
Q

specialized form of AT.

A

Brown adipose tissue

33
Q

brown adipose tissue constitute ____ of newly born body weight.

A

2-5%

34
Q

location of brown adipose in baby

A

back, neck and shoulders

35
Q

for heat production

A

Brown adipose tissue

36
Q

heat production by

A

non shivering thermogenesis

37
Q

cells are smaller than WAT and centrally located

A

Brown adipose tissue

38
Q

adipocytes of brown fat are

A

closely packed with each large capillaries

39
Q

heat production because

A

mitochondria in their inner membrane much greater level of a transmembrane protein called thermogenin/uncoupling protein 1