Medical term:
lime
lime
[līm]1. calcium oxide, a corrosively alkaline and caustic earth, CaO; having various industrial uses and also a pharmaceutic necessity.
2. the acid fruit of Citrus aurantifolia, which contains ascorbic acid.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
lime
(līm),1. an alkaline earth oxide occurring in grayish white masses (quicklime); on exposure to the atmosphere it becomes converted into calcium hydrate and calcium carbonate (air-slaked lime); direct addition of water to calcium oxide produces calcium hydrate (slaked lime). Synonym(s): calcium oxide, calx (1)
2. Fruit of the lime tree, Citrus medica (family Rutaceae), which is a source of ascorbic acid and acts as an antiscorbutic agent.
[O.E. līm, birdlime]
Farlex Partner Medical Dictionary © Farlex 2012
lime
(līm)1. An alkaline earth oxide occurring in grayish-white masses (quicklime); on exposure to the atmosphere it becomes converted into calcium hydrate and calcium carbonate (air-slaked lime); direct addition of water to calcium oxide produces calcium hydrate (slaked lime).
Synonym(s): calx (1) .
Synonym(s): calx (1) .
2. Fruit of the lime tree, Citrus medica, which is a source of ascorbic acid and acts as an antiscorbutic agent.
[A.S. līm, birdlime]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
lime
(līm)1. An alkaline earth oxide occurring in grayish white masses (quicklime); on exposure to the atmosphere it converts into calcium hydrate and calcium carbonate (air-slaked lime); direct addition of water to calcium oxide produces calcium hydrate (slaked lime).
Synonym(s): calx (1) .
Synonym(s): calx (1) .
2. Fruit of the lime tree, Citrus medica (family Rutaceae), which is a source of ascorbic acid and acts as a therapeutic antiscorbutic agent in treating scurvy.
[A.S. līm, birdlime]
Medical Dictionary for the Dental Professions © Farlex 2012
limen
[li´men] (L.)a threshold or boundary.
limen of insula (limen in´sulae) the point at which the cortex of the insula is continuous with the cortex of the frontal lobe.
limen na´si the ridge marking the boundary between the vestibule of the nose and the nasal cavity proper.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
li·men
, pl.li·mi·na
(lī'men, lim'i-nă), [TA]1. Entrance; the external opening of a canal or space, such as limen insulae [TA].
2. Synonym(s): threshold
[L.]
Farlex Partner Medical Dictionary © Farlex 2012
limen
(lī′mən)n. pl. limens or limina (lĭm′ə-nə)
The point at which a stimulus is strong enough to produce a physiological or psychological response.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
li·men
, pl. limina (lī'men, lim'i-nă) [TA]Entrance; the external opening of a canal or space, such as limen insulae.
Synonym(s): threshold (4) .
Synonym(s): threshold (4) .
[L.]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
threshold
The value of a stimulus that just produces a response. Syn. limen.
absolute threshold The minimum luminance of a source that will produce a sensation of light. It varies with the state of dark adaptation, the retinal area stimulated, the wavelength of light, etc. Syn. light threshold. See photochromatic interval.
contrast threshold See differential threshold.
corneal touch threshold See corneal touch threshold.
differential threshold The smallest difference between two stimuli presented simultaneously that gives rise to a perceived difference in sensation. The difference may be related to brightness, but also to colour and specifically to either saturation (while hue is kept constant) or hue (while saturation is kept constant). The differential threshold of luminance is equal to about 1% in photopic vision. Syn. contrast threshold (if the difference is one of luminance); just noticeable difference (jnd). See Weber's law; contrast sensitivity.
light threshold See absolute threshold.
movement threshold 1. The minimum motion of an object that can be perceived. 2. The speed at which an object moving between two points just appears to be moving. See hyperacuity; phi movement.
resolution threshold See limit of resolution.
stereo-threshold See stereoscopic visual acuity.
absolute threshold The minimum luminance of a source that will produce a sensation of light. It varies with the state of dark adaptation, the retinal area stimulated, the wavelength of light, etc. Syn. light threshold. See photochromatic interval.
contrast threshold See differential threshold.
corneal touch threshold See corneal touch threshold.
differential threshold The smallest difference between two stimuli presented simultaneously that gives rise to a perceived difference in sensation. The difference may be related to brightness, but also to colour and specifically to either saturation (while hue is kept constant) or hue (while saturation is kept constant). The differential threshold of luminance is equal to about 1% in photopic vision. Syn. contrast threshold (if the difference is one of luminance); just noticeable difference (jnd). See Weber's law; contrast sensitivity.
light threshold See absolute threshold.
movement threshold 1. The minimum motion of an object that can be perceived. 2. The speed at which an object moving between two points just appears to be moving. See hyperacuity; phi movement.
resolution threshold See limit of resolution.
stereo-threshold See stereoscopic visual acuity.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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