Gynecomastia (gynaecomastia; Greek gyne, gynaikos - woman + Greek mastos - breast) - an increase in the mammary glands (one or both) in men.
Types of gynecomastia:
true (vera) - resulting from endocrine disorders and characterized by hyperplasia of the glandular passages in the mammary gland;
false (spuria) - resulting from excessive deposition of fat in the mammary gland;
pubertal (pubertalis) - arising during puberty.
Types of pubertal gynecomastia:
true gynecomastia: developing during puberty in boys and not disappearing at its completion; due to primary hypogonadism or manifestation of the Klinefelter-Reifenstein-Albright syndrome;
juvenile mastitis (not recommended): transient, dense, painful swelling of the mammary glands observed during puberty in adolescents of both sexes; can occur with an increase in regional lymph nodes, redness of the skin and secretion from the nipples.
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Automatism (Greek automates spontaneous, self-acting) - the ability of individual cells, tissues or organs to rhythmic activity in the absence of obvious connections with external stimuli
Adaptation (lat.adaptatio - adaptation) - the process of adaptation of an organism, population or other biological system to changing conditions of existence (functioning)
Adenoma (adenoma; Greek aden - iron + Greek ōma - ending in the name of tumors) is a benign tumor arising from the glandular epithelium and retaining structural similarity with the original tissue
Adrenergic receptors (lat.adrenalis - adrenal; lat.ad- - at + ren - kidney + receptor - receiving; synonym: adrenergic receptors, adrenoreactive structures, adrenoreactive systems) - biochemical structures of cells that interact with adrenergic mediators (dopamine, adrenaline, noradrenaline ) and convert the energy of this interaction into the energy of a specific effect (muscle contraction, nerve impulse)
