Nerves that regulate the excretion of perspiration from the sudoriferous glands and control the flow of sebum to the surface of the skin are __________.
Secretory Nerve Fibers
Secretory nerve fibers are a type of nerve fibers that originate from the brain or spinal cord and are responsible for transmitting signals that stimulate glands to secrete their respective hormones or other substances. These fibers are a part of the autonomic nervous system, which controls the involuntary functions of the body, including the secretion of hormones and other substances.
The secretory nerve fibers are divided into two types: sympathetic and parasympathetic. The sympathetic fibers are responsible for the “fight or flight” response of the body, which leads to an increase in the secretion of adrenaline and noradrenaline. These hormones increase heart rate, blood pressure, and respiratory rate, among other things.
On the other hand, the parasympathetic fibers are responsible for the “rest and digest” response, which leads to the secretion of digestive enzymes, insulin, and other substances that promote digestion and absorption of nutrients.
Both types of secretory nerve fibers work in concert with each other to maintain a balance in the body’s secretions. Any imbalance in the autonomic nervous system can lead to various conditions, including hypertension, diabetes, and digestive disorders.
In summary, secretory nerve fibers are crucial components of the autonomic nervous system that regulate the secretion of hormones and other substances to maintain normal bodily functions.
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