Apocrine sweat glands

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Secretory cells

1. Merocrine secretory cells 2. apical accumulation of small secretory granules

Location of apocrine glands

1. associated with hair follicles of - axilla - areolae of breast - pubic region 2. secretory portion located in the deep dermis and hypodermis 3. duct empties into a hair follicle

Control of secretion

1. innervated by sympathetic neurons 2. respond to adrenergic transmitters

Cells of apocrine sweat glands

1. secretory cells 2. Myoepithelial cells 3. duct cells

Structure of apocrine sweat glands

1. simple, coiled tubular gland 2. secretory portion has a wider lumen then eccrine glands

Duct cells

1. stratified cuboidal epithelium (2-3 layers) 2. form short straight duct terminating in a hair follicle

Function of apocrine sweat glands

Produce pheromones (odiferous secretions)

Myoepithelial cells

associated with secretory portion

Origin of apocrine gland

outgrowth of the external root sheath


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