Apparato tegumentario Flashcards

1
Q

costituenti apparato tegumentario

A

pelle

annessi cutanei

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2
Q

funzioni apparato tegumentario

A
  1. protegge l’organismo dagli agenti esterni

2. contiene i recettori sensoriali

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3
Q

primo strato della pelle (il più esterno)

A

epidermide

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4
Q

epidermide

A

tessuto epiteliale pluristratificato

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5
Q

secondo strato della pelle

A

derma

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6
Q

derma

A

tessuto connettivo propriamente detto

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7
Q

strato interno dell’epidermide

A

strato basale
formato da cellule vive
strato in cui si trovano i melanociti

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8
Q

strato esterno dell’epidermide

A

strato corneo

formato da cellule morte trasformate in scaglie di cheratina

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9
Q

melanociti

A

cellule responsabili della produzione di melanina

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10
Q

terzo strato della pelle (il più interno)

A

sottocute

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11
Q

sottocute

A

tessuto connettivo adiposo

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12
Q

follicoli piliferi

A

derma

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13
Q

ghiandole sebacee e sudoripare

A

derma

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14
Q

capillari sanguigni

A

derma

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15
Q

terminazioni nervose e sensoriali

A

derma

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16
Q

area della pelle

A

2 m^2

17
Q

peso della pelle

A

16% di quello corporeo

18
Q

annessi cutanei

A
  1. peli
  2. capelli
  3. unghie
  4. ghiandole sudoripare e sebacee
  5. ghiandole mammarie (nella donna)