Ch. 6 Exocrine Glands

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Ch. 6 Exocrine Glands
2014-02-15 16:35:09
exam dermatology boerboom cgcc

exocrine gland card review
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  1. Eccrine gland
    •Distributed over entire body but especially abundant in palms, soles, and forehead

    •Simple tubular glands with a twisted coil in dermis or hypodermis, and a coiled duct leading to a sweat pore on skin surface

    •Duct is lined by stratified cuboidal epithelium

    •Primary function is to cool the body, so their secretion is a watery perspiration

  2. Apocrine sweat glands  

    • •Found in groin,
    • anal region, axilla, areola, bearded area in mature males

    • •Ducts lead to nearby
    • hair follicles

    • •Produce sweat that is thicker,
    • milky, because
    • it
    • contains fatty acids

    • •Scent glands that respond
    • to stress and sexual stimulation

    • •the lumen (opening) of an apocrine
    • sweat gland is much wider than an eccrine
    • sweat gland because the secretion is much thicker

    •Develop at puberty
    • •Sebaceous
    • glands

    • –Sebum—oily
    • secretion produced by sebaceous glands

    • –Flask-shaped
    • glands with short ducts opening into hair follicle

    • –Little
    • visible lumen

    • –secretion
    • consists of broken-down cells

    • –Keeps
    • skin and hair from becoming dry, brittle, and cracked
  3. Ceruminous Glands

    • –Found only in external
    • ear canal

    • –Their secretion combines with sebum
    • and dead epithelial cells to form earwax (cerumen)

    •Keeps eardrum pliable

    •Waterproofs the canal

    •Kills bacteria

    • •Makes guard hairs of ear sticky to
    • help block foreign particles from entering auditory canal
    • –Simple, coiled tubular glands with
    • ducts that lead to skin surface
  4. Mammary glands—milk-producing glands that develop only during pregnancy and lactation