The
Sweat Gland
Basically,
the sweat gland is a long, coiled, hollow tube of cells.
The coiled part in the dermis is where sweat is produced, and the long portion
is a duct that connects the gland
to the opening or pore on the
skin's outer surface. Nerve cells from the sympathetic
nervous system connect to the sweat glands. There are two types of sweat
glands:
The
two glands differ in size, the age that they become active and the composition
of the sweat that they make. Compared to apocrine glands, eccrine glands:
Fun
Fact Chromhidrosis
is apocrine in origin. Although apocrine glands are found in the genital,
axillary, areolar, and facial skin, chromhidrosis is reported only on the face,
axillae, and breast areola. Lipofuscin pigment is responsible for the colored
sweat. This pigment is produced in the apocrine gland, and its various oxidative
states account for the characteristic yellow, green, blue, or black secretions
observed in apocrine chromhidrosis. In
contrast, eccrine chromhidrosis is rare and occurs with ingestion of certain
dyes or drugs, and pseudochromhidrosis occurs when clear eccrine sweat becomes
colored on the surface of the skin as a result of extrinsic dyes, paints, or
chromogenic bacteria.
More about coloured sweat |
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