Histology [histologia - LNH (Leningrad histological nomenclature); Greek histos - tissue + logos - doctrine, science] is a biomedical science that studies the patterns of structure, development and function of tissues in humans and multicellular animals.
Types of histology:
general - an area that studies the general patterns of structure, development and function of tissues, develops methods for their study and classification;
descriptive - a direction based on the description of the structure of tissues;
comparative - a direction dealing with the comparison of the structure, development and function of tissues in variously organized animals;
private (synonym: microscopic anatomy) - an area devoted to the study of the microscopic structure of individual organs and body systems;
evolutionary - a direction that studies the patterns of tissue development in the course of phylogenesis;
ecological - an area devoted to the study of the structure and development of tissues, depending on the impact of living conditions and adaptation to the environment;
experimental - a direction dealing with the study of tissue changes due to experimental effects.
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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)
Acrodermatitis (acrodermatitis; Greek akros - the most distant, extreme, high + derma (dermatos) - skin + Latin it (word-form suffix) - inflammatory process) - the general name of a group of dermatoses with an exclusive or predominant lesion of the distal extremities
