| bog spavin | A chronic synovitis of the tibiotarsal joint in the horse resulting in distention of the joint capsule with fluid; it usually causes little or no lameness. (05 Mar 2000) |
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| bog | A quagmire covered with grass or other plants, wet, spongy ground, a small marsh, plant community on wet, very acid peat. (09 Oct 1997) |
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| blood spavin | A distention of the veins in the vicinity of the tarsus in a horse, due to pressure from the swelling of bog spavin impeding the return flow of blood. (05 Mar 2000) |
| bone spavin | A rarefying osteitis involving the bones of the tarsus of the horse, usually those on the medial surface, resulting in exostoses and ankylosis. (05 Mar 2000) |
| spavin | <veterinary> A disease of horses characterised by a bony swelling developed on the hock as the result of inflammation of the bones; also, the swelling itself. The resulting lameness is due to the inflammation, and not the bony tumour as popularly supposed. Bog spavin, a soft swelling produced by distention of the capsular ligament of the hock; called also blood spavin. Bone spavin, spavin attended with exostosis; ordinary spavin. Origin: OE. Spaveyne, OF. Esparvain, F. Eparvin; akin to OF. Espervier a sparrow hawk, F. Epervier, fr. OHG. Sparwari (G. Sperber), fr. OHG. Sparo sparrow, because this disease makes the horse raise the infirm leg in the manner of a sparrow hawk or sparrow. See Sparrow. Source: Websters Dictionary (01 Mar 1998) |