(n.) A median ossification back of the lophosteon in the sternum of some birds.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Urosteon. Retrieved September 25, 2026, from http://smartdefine.org/urosteon/definitions/2078323 |
| Chicago | Webster's. 2011. "Urosteon" http://smartdefine.org/urosteon/definitions/2078323 (accessed September 25, 2026). |
| Harvard | Webster's 2011, Urosteon, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/urosteon/definitions/2078323>. |
| MLA | Webster's. "Urosteon" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/urosteon/definitions/2078323> |