HISTOLOGY
INTEGUMENTARY SYSTEM SKIN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What structure produces sebum which lubricates and waterproofs skin?
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apocrine sweat gland
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eccrine sweat gland
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hair follicle
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sebaceous gland
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Explanation:
Detailed explanation-1: -The sebaceous glands are a type of microscopic gland in the skin that secretes an oily/waxy matter, called sebum, to lubricate and waterproof the skin and hair of mammals [105].
Detailed explanation-2: -Sebaceous glands are located in the mid-dermis and almost always develop alongside a hair follicle, with an outlet emptying into the follicular canal. This association is known as the pilosebaceous unit.
Detailed explanation-3: -The sebaceous glands secrete sebum into hair follicles. Sebum is an oil that keeps the skin moist and soft and acts as a barrier against foreign substances. The hair follicles produce the various types of hair found throughout the body.
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