What is the function of the adrenal gland?
Answers: Janet h,
The adrenal glands are approximately two and half by one inch long yellowish-orange coloured glands that are found basically above the kidneys. Adrenal glands provide a very critical function in protecting the body against stress. This function is carried out by secretion of various different types of hormones by the adrenal gland. The adrenal gland consists of two parts, the adrenal cortex and the adrenal medulla. Each of these parts serves a different function. The adrenal cortex is the outer part of the adrenal gland. This slot secretes lots different hormones. Some of these hormones are - corticosteroids, androgens, and mineralocorticoids. These are involved in - the metabolism of carbohydrates, fat and proteins; the regulation of blood pressure, water, and mineral symmetry; and sex hormones. The adrenal medulla is the inner part of the adrenal gland. The prevalent function of this section of the adrenal gland is the secretion of adrenaline (epinephrine). Adrenaline act by raising blood glucose level; increases blood pressure, heart rate, sweating, respiratory rate and other activities regulated by the sympathetic like a cat on a hot tin roof system.
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Matador 89
To produce adrenaline which is very adjectives stuff Hormones and stuff. mainly adrenaline production.
In mammals, the adrenal glands (also specified as suprarenal glands) are the triangle-shaped endocrine glands that sit on top of the kidneys; their autograph indicates that position (ad-, "near" or "at" + -renes, "kidneys"). They are chiefly responsible for regulating the stress response through the synthesis of corticosteroids and catecholamines, including cortisol and adrenaline.
The adrenal gland is separated into two distinct structures, both of which receive regulatory input from the nervous system: adrenal Medulla
As its term suggests, the adrenal medulla is the central core of the adrenal gland, surrounded by the adrenal cortex. The chromaffin cell of the medulla are the body's main source of the catecholamine hormones adrenaline (epinephrine) and noradrenaline (norepinephrine). These water-soluble hormones, derived from the amino sharp tyrosine, are part of the fight-or-flight response initiated by the sympathetic edgy system. The adrenal medulla can be considered specialized ganglia of the sympathetic tentative system, lacking distinct synapses, instead releasing secretion directly into the blood. It is also the main source of dopamine, a catecholamine closely related to adrenaline and noradrenaline
Adrenal cortex
By contrast, the adrenal cortex is devoted to the synthesis of corticosteroid hormones from cholesterol. Some cell belong to the hypothalamic-pituitary-adrenal axis and are the source of cortisol synthesis. Other cortical cells produce androgens such as testosterone, while some regulate hose down and electrolyte concentrations by secreting aldosterone. In contrast to the direct innervation of the medulla, the cortex is regulated by neuroendocrine hormones secreted by the pituitary gland and hypothalamus, as capably as by the renin-angiotensin system.
Arteries and veins
Although variation of the blood supply to the adrenal glands (and indeed the kidneys themselves) are common, nearby are usually three arteries that supply each adrenal gland:
The superior suprarenal artery is provided by the inferior phrenic
The middle suprarenal artery is provided by the abdominal aorta
The inferior suprarenal artery is provided by the renal artery
Venous drainage of the adrenal glands is achieve via the suprarenal veins:
The right suprarenal artery drains into the inferior vena cava
The left suprarenal capillary drains into the left renal capillary or the left inferior phrenic capillary.
The suprarenal veins receive blood may form anastomoses beside the inferior phrenic veins.
The adrenal glands and the thyroid gland are the organs that hold the greatest blood supply per gram of tissue. Up to 60 arterioles may enter each adrenal gland.[1]