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an encircling region or area; by extension, any area with specific characteristics or boundary.
ciliary zone the outer of the two regions into which the anterior surface of the iris is divided by the collarette.
comfort zone an environmental temperature between 13 and 21°C (55 and 70°F) with a humidity of 30 to 55 per cent.
epileptogenic zone an area, stimulation of which may provoke an epileptic seizure.
erogenous zone (erotogenic zone) in psychoanalytic theory, an area of the body through which the libido expresses itself and which is therefore susceptible to erotic excitation upon stimulation; the primary sites are the oral, anal, and genital regions, but the other body orifices, breasts, and skin are also included.
zone of partial preservation in spinal cord injury, an area of only partial damage that may include up to three consecutive spinal segments caudal to the level of the injury.
pupillary zone the inner of the two regions into which the anterior surface of the iris is divided by the collarette.
transition zone (transitional zone) any anatomical region that marks the point at which the constituents of a structure change from one type to another; for example, the circle in the equator of the ocular lens in which epithelial fibers are developed into lens fibers, or the zone (anocutaneous line) that marks the junction of stratified squamous epithelium with columnar epithelium.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
e·rog·e·nous zone, erotogenic zone
areas of the body, such as genitals and nipples, which elicit sexual arousal when stimulated.
Farlex Partner Medical Dictionary © Farlex 2012
erogenous zoneAny body surface, the stimulation of which initiates or increases sexual arousal.
Normal erogenous zones
External genitalia, breasts, nipples, anus; but also inner thighs, ears, neck.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
erogenous zoneSexology A region, specifically on the genitalia, on the skin surface which, when stimulated, often causes a sexual partner to become aroused. See Tanzen.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
e·rog·e·nous zone, erotogenic zone (ĕ-roj'ĕ-nŭs zōn, ĕ-rot'ō-jen'ik)
Areas of the body, such as genitals and nipples, which elicit sexual arousal when stimulated.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012