adrenal medulla


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Related to adrenal medulla: adrenal cortex

adrenal medulla

[ə′drēn·əl mə′dəl·ə]
(anatomy)
The hormone-secreting chromaffin cells of the adrenal gland that produce epinephrine and norepinephrine.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Pheochromocytomas are neoplasms arising from the catecholamine-producing, neural crest-derived chromaffin cells of the adrenal medulla, similar neoplasms can also arise from extramedullarychromaffin cells and are referred to as paragangliomas [2].
Eighty-five percent of these lesions arise in the adrenal medulla [40].
Caption: Figure 1: Photomicrographs of the adrenal gland of the control group showing (a) adrenal cortex (C), zona glomerulosa (ZG), zona fasciculata (ZF), zona reticularis (ZR), and adrenal medulla (M) x100.
(ii) Highest incidence of ganglioneuromas occurs in the retroperitoneum, adrenal medulla, and posterior mediastinum.
In their experiments, the scientists traced the neural circuitry that links areas of the cerebral cortex to the adrenal medulla (the inner part of the adrenal gland, which is located above each kidney).
Maternal perinatal undernutrition has long-Term consequences on morphology, function and gene expression of the adrenal medulla in the adult male rat.
Dopamine [beta]-hydroxylase (DBH) and phenylethanolamineUV-methyl transferase (PNMT) protein expressions were lower in the tumor than in the adrenal medulla control, but the cells were clearly stained (Fig.
Tumours and tumour-like conditions of the adrenal medulla can be categorized into two groups, embryonal neural tumours and adult neuroendocrine tumours.
Catecholamines (adrenaline (A) and noradrenaline (NA)) are released from sympathetic nervous fibers endings (NA) and adrenal medulla (A and NA) (1, 2).
(1) Most such tumors arise from the adrenal medulla, while the term paraganglioma is used for this same tumor which occurs about 15% of the time in other anatomic sites.

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