| IBIDS | ichthyosis-brittle hair-impaired intelligence-decreased fertility-short stature [syndrome] |
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| ISS | idiopathic short stature; injury severity score; International Society of Surgery; ion-scattering sp... |
| LSL | left sacrolateral [fetal position]; left short leg; lymphosarcoma [cell] leukemia |
| NSC | neurosecretory cell; no significant change; nonservice connected; nonspecific suppressor cell; norma... |
| NVSS | normal variant short stature |
| short sight | <ophthalmology> That error of refraction in which rays of light entering the eye parallel to the optic axis are brought to a focus in front of the retina, as a result of the eyeball being too long from front to back (axial myopia) or of an increased strength in refractive power of the media of the eye (index myopia). Also called nearsightedness, because the near point is less distant than it is in emmetropia with an equal amplitude of accommodation. Origin: Gr. Myein = to shut (18 Nov 1997) |
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| short-term exposure limit | The maximum concentration of a chemical to which workers may be exposed continuously for up to 15 minutes without danger to health or work efficiency and safety. (05 Mar 2000) |
| short-term memory | <psychology> Temporary storage of information for a few seconds to hours, as opposed to long-term memory which refers to material stored for days, years, or a lifetime. (12 Dec 1998) |
| short TI inversion recovery | An inversion recovery sequence that uses a short inversion time, about 100 ms., between 180 |
| short ton | 2000 pounds. A ton, as commonly used in the U.S. And Canada. (05 Dec 1998) |
| short vinculum | A triangular band that extends from the dorsal surface of each of the flexor tendons of a digit to the capsule of the nearby interphalangeal joint and to the phalanx proximal to the insertion of the tendon. Synonym: vinculum breve. (05 Mar 2000) |
| short wave diathermy | Therapeutic elevation of temperature in the tissues by means of an oscillating electric current of extremely high frequency (10 to 100 million Hz) and short wavelength of 3 to 30 meters. (05 Mar 2000) |
| short-wave therapy | The use of focused short radio waves to produce local hyperthermia in an injured person or diseased body area. (12 Dec 1998) |
| short-winded | Affected with shortness of breath; having a quick, difficult respiration, as dyspnoic and asthmatic persons. Source: Websters Dictionary (01 Mar 1998) |
| LTDH short chain dehydrogenase | <enzyme> Has been sequenced; responsible for methotrexate resistance; isolated from leishmania sp. Registry number: EC 1.3.- Synonym: ltdh gene product, pteridine reductase 1, ptr1 gene product, hmtx(r) gene product (26 Jun 1999) |
| abdominopelvic splanchnic nerves | Visceral branches of the sympathetic trunks conveying presynaptic sympathetic fibres to and visceral afferent fibres from the prevertebral ganglia and para-aortic/hypogastric plexuses for the innervation of viscera located below the diaphragm. The greater, lesser, lowest, lumbar, and sacral splanchnic nerves belong to this group. (05 Mar 2000) |
| accelerator nerves | Certain of the cardiopulmonary splanchnic nerves establishing the sympathetic innervation of the heart; originating from ganglion cells of the superior, middle, and inferior cervical ganglion of the sympathetic trunk, the unmyelinated efferent fibres of the accelerator nerve's stimulate an increase in the heart rate. (05 Mar 2000) |
| accessory phrenic nerves | Accessory nerve strands that arise from the fifth cervical nerve, often as branches of the nerve to the subclavius, passing downward to join the phrenic nerve. Synonym: nervi phrenici accessorii. (05 Mar 2000) |
| anococcygeal nerves | Several small nerves arising from the coccygeal plexus, supplying the skin over the coccyx. Synonym: nervi anococcygei. (05 Mar 2000) |
| anterior auricular nerves | Branches of the auriculotemporal nerve that supply the tragus and upper part of the auricle. Synonym: nervi auriculares anteriores. (05 Mar 2000) |