| horseshoe | 1. A shoe for horses, consisting of a narrow plate of iron in form somewhat like the letter U, nailed to a horse's hoof. 2. Anything shaped like a horsehoe crab. 3. <zoology> The Limulus of horsehoe crab. <medicine> Horsehoe head, a bat of the genus Rhinolophus, having a nasal fold of skin shaped like a horsehoe. Source: Websters Dictionary (01 Mar 1998) |
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| horseshoe crabs | An arthropod subclass (xiphosura) comprising the north american (limulus) and asiatic (tachypleus) genera of horseshoe crabs. (12 Dec 1998) |
| horseshoe fistula | An anal fistula partially encircling the anus and opening at both extremities on the cutaneous surface. (05 Mar 2000) |
| horseshoe kidney | <radiology> 50% most likely to be other GU anomaly, duplication, cryptorchidism, urethral anomaly, increased kidney tumours, Wilms -- in kids, adenocarcinoma -- later in life (12 Dec 1998) |
| horseshoe placenta | An exaggerated placenta reniformis curved in the form of a horseshoe; present in some twin pregnancies. (05 Mar 2000) |