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Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into interstitial spaces where they are absorbed into blood rather than through a duct. The major glands of the endocrine system include the pineal gland , pituitary gland , pancreas , ovaries , testes , thyroid gland , parathyroid gland ...
The endocrine system is a network of glands and organs located throughout the body. It is similar to the nervous system in that it plays a vital role in controlling and regulating many of the body's functions. Endocrine glands are ductless glands of the endocrine system that secrete their products, hormones, directly into the blood.
Endocrinology (from endocrine + -ology) is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions known as hormones.It is also concerned with the integration of developmental events proliferation, growth, and differentiation, and the psychological or behavioral activities of metabolism, growth and development, tissue function, sleep ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Group of endocrine diseases characterized by high blood sugar levels This article is about the common insulin disorder. For the urine hyper-production disorder, see Diabetes insipidus. For other uses, see Diabetes (disambiguation). Medical condition Diabetes Universal blue circle symbol ...
The adrenal glands may not develop at all, or may be fused in the midline behind the aorta. [12] These are associated with other congenital abnormalities, such as failure of the kidneys to develop, or fused kidneys. [12] The gland may develop with a partial or complete absence of the cortex, or may develop in an unusual location. [12]
Fat cells are present at birth, but increase in size and number markedly after puberty, invading the gland from the walls between the lobules first, then into the cortex and medulla. [4] This process continues into old age, where whether with a microscope or with the human eye, the thymus may be difficult to detect, [ 4 ] although typically ...
The cardiovascular centre is a part of the human brain which regulates heart rate through the nervous and endocrine systems. [1] It is considered one of the vital centres of the medulla oblongata . [ 2 ] [ 3 ]
An expected second 17,20-lyase reaction (17α-hydroxyprogesterone → androstenedione) is mediated so inefficiently in humans as to be of no known significance. The hydroxylase reactions are part of the synthetic pathway to cortisol as well as sex hormones, but the lyase reaction is only necessary for sex hormone synthesis.