masna tkiva Flashcards

(9 cards)

1
Q

zbog cega se mrko masno tkivo ove tako?

A

zbog dobre prokrvljenosti ima takvu boju

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2
Q

kakvi adipociti dominiraju kod mrkog?

A

multilokulusni

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3
Q

ko utice na masna tkiva?

A

simpaticki nervni sistem

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4
Q

sta deli masno tkivo na lobuluse?

A

vezivne septe koje sadrze kapilare i nerve, a i stem celije koje daju preadipocite

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5
Q

do cega dovodi preveliko stvaranje lipida od strane adipocita?

A

metabolicki sindorm- preveliko lucenje citokina i hormona

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6
Q

koje je najbolje prokrvljeno tkivo?

A

mrko masno

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7
Q

zasto mali sisari imaju mnogo mrkog masnog tkiva i novorodjencad?

A

bebe da ne bi doziveli toplotni sok, jer je materica majke mnogo topla, mali sisari jer imaju mnogo vecu povrsinu nego zpreminu i lako odaju toplotu, a oni ne mogu da s tresu i da se samo tako greju

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8
Q

kakve mitohondrije ima mrko masno telo?

A

specijalizovan krista tip
ne produkuju atp, vec pomocu kanala na unutrasnjoj membrani- ucp 1 protein propustaju protone iz medjumembranskog prostora i produkuju toplotnu energiju

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9
Q

sta je hipertrofija i hiperplazija

A

hipertrofija- fizicko uvecanje celija

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