TESUTUL CONJUNCTIV Flashcards

1
Q

Ce origine au tesuturile conj?

A

Origine mezodermo-mezenchimala.

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2
Q

Care sunt celulele fixate ale tesutului conjunctiv?

A
Celula mezenchimala nediferentiata
fibroblastul - fibrocitul
miofibroblastul
pericitul
celula adipoasa
mastocitul
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3
Q

unde se localizeaza celulele mezenchimale nedif la nivelul t conj?

A

In jurul capilarelor sanguine.

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4
Q

Cum se dispun fibroblastele la nivelul papilei renale?

A

In cordoane.

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5
Q

Ce particularitati au fibroblastele de la nivelul papilei renale?

A
  • se dispun sub forma de cordoane
  • prezinta jonctiuni de aderenta si de comunicare
  • in citoplasma exista niste vacuole

vacuolele + dispunerea in cordoane —-: aceste celule ar putea avea rol endocrin

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6
Q

cum se dispun fibroblastele la nivelul nervilor periferici?

A

lamelar.

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7
Q

ce prezinta fibroblastele la nivelul intestinului?

A

prelungiri numeroase.

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8
Q

ce produc fibroblastele?

A

interferoni si factori chemotactici

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9
Q

pentru cine contin fibroblastele receptori?

A

pentru LDL

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10
Q

fibroblastele participa la apararea nespecifica a organismului . A/F

A

A. Prin productia de factori chemotactici

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11
Q

Cum e citoplasma atunci cand fibroblastele produc matrice extracelulara?

A

Citoplasna devine ami bazofila, pt ca creste cantitatea de RER.

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12
Q

Unde gasim COLAGEN DE TIP 1?

A

Derm, ligamente, tendoane, os, dentina, cement, capsula organelor.

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13
Q

Care este rolul colagen tip 1?

A

Rol de rezistenta la tensiune.

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