| osseous polyp | A polyp consisting in part of bony tissue. (05 Mar 2000) |
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| osseous spiral lamina | A double plate of bone winding spirally around the modiolus dividing the spiral canal of the cochlea incompletely into two, scala tympani and scala vestibuli; between the two plates of this lamina the fibres of the cochlear nerve reach the spiral organ (of Corti). Synonym: lamina spiralis ossea, spiral plate. (05 Mar 2000) |
| osseous tissue | A connective tissue, the matrix of which consists of collagen fibres and ground substance and in which are deposited calcium salts (phosphate, carbonate, and some fluoride) in the form of an apatite. Synonym: bone tissue. (05 Mar 2000) |
| osseter | <zoology> A species of sturgeon. Origin: Russ, osetr' sturgeon. Source: Websters Dictionary (01 Mar 1998) |