Biology
Name:
(a) Two principal components of mammalian skin.
(b) Two main layers of skin proper.
(c) Three regions/sublayers of epidermis.
(d) Five derivatives of skin.
(e) Two abnormal conditions of skin pigmentation.
Skin
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Answer
(a) Skin proper and derivatives of skin.
(b) Epidermis and dermis.
(c) Three regions/sublayers of epidermis are :
- Stratum corneum (Cornified outermost layer)
- Granular layer (middle layer)
- Malpighian stratum (Malpighian layer or Germinative layer)
(d) Five derivatives of skin are :
- Hair
- Nail
- Mammary gland
- Sweat gland
- Sebaceous gland.
(e) Albinism, Leukoderma
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