| IVR | idioventricular rhythm; intravaginal ring; isolated volume responder |
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| KFR | Kayser-Fleischer ring |
| MRT | magnetic resonance tomography; maximum relaxation time; median range score; median reaction time; me... |
| RARS | refractory anemia with ring sideroblasts |
| SAR | scatter/air ratio; seasonal allergic rhinitis; sexual attitude reassessment; slowly adapting recepto... |
| heart-shaped uterus | An incomplete uterus bicornis with a wedge-shaped depression at the fundus. Synonym: heart-shaped uterus, uterus cordiformis. (05 Mar 2000) |
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| salver-shaped | <botany> Tubular, with a speading border. See Hypocraterimorphous. Source: Websters Dictionary (01 Mar 1998) |
| saucer-shaped cataract | A common form of senile cataract often confined to a region just within the posterior capsule. Synonym: saucer-shaped cataract. (05 Mar 2000) |
| hook-shaped cataract | Congenital cataract with hook-like figures between the foetal and embryonic nuclei. (05 Mar 2000) |
| spindle-shaped | 1. Having the shape of a spindle. 2. <botany> Thickest in the middle, and tapering to both ends; fusiform; applied chiefly to roots. Source: Websters Dictionary (01 Mar 1998) |
| spindle-shaped muscle | <anatomy> One that has a fleshy belly, tapering at either extremity. Synonym: musculus fusiformis, spindle-shaped muscle. (05 Mar 2000) |
| sword-shaped | <botany> Shaped like a sword; ensiform, as the long, flat leaves of the Iris, cattail, and the like. Source: Websters Dictionary (01 Mar 1998) |
| diamond-shaped murmur | A crescendo-decrescendo murmur, from the shape of the frequency intensity curve of the phonocardiogram, often audible as such. (05 Mar 2000) |
| disk-shaped cataract | Congenital cataract in which a central white membrane replaces the nucleus. Synonym: disk-shaped cataract, life-belt cataract, umbilicated cataract. (05 Mar 2000) |
| d-shaped plasma | <radiobiology> A toroidal plasma whose cross-section (poloidal plane) is a D (instead of a circle). A D-shape has a higher beta limit than a circular shape. (09 Oct 1997) |
| tadpole-shaped pupil | An intermittent, brief distortion and dilation of a pupil that draws one part of the iris into a peak so that the pupil resembles a tadpole; a temporary, benign condition associated with migraine that may leave the patient with a Horner's syndrome. (05 Mar 2000) |
| tongue-shaped | <botany> Shaped like a tongue; specifically, linear or oblong, and fleshy, blunt at the end, and convex beneath; as, a tongue-shaped leaf. Source: Websters Dictionary (01 Mar 1998) |
| top-shaped | <botany> Having the shape of a top; cone-shaped, with the apex downward; turbinate. Source: Websters Dictionary (01 Mar 1998) |
| j-shaped sella | <radiology> Cretinism (hypothyroidism), optic glioma, neurofibromatosis, Hurler syndrome (MPS I), mild arrested hydrocephalus, normal variant (12 Dec 1998) |
| Y-shaped ligament | <anatomy> A triangular ligament attached by its apex to the anterior inferior spine of the ilium and rim of the acetabulum, and by its base to the anterior intertrochanteric line of the femur; the strong medial band is attached to the lower part of the intertrochanteric line; the strong lateral part is fixed to the tubercle at the upper part of this line; the bands diverge, forming a Y-like figure with a weak area between; among the strongest of the body's ligaments, it limits extension at the hip joint. Synonym: ligamentum iliofemorale, Bertin's ligament, Bigelow's ligament, hypsiloid ligament, Y-shaped ligament. (05 Mar 2000) |