haversian canal मीनिंग इन हिंदी

उदाहरण वाक्य

1. These canals are called haversian canals.
2. Each haversian canal is surrounding by varying number ( 5-20 ) of concentrically arranged lamellae of bone martix.
3. Within the bone itself, the haversian canals become blocked with scar tissue, and the bone becomes surrounded by thickened periosteum.
4. Haversian canals are contained within osteons, which are typically arranged along the long axis of the bone in parallel to the surface.
5. However, it is generally agreed that endothermy first evolved in non-mammalian synapsids such as dicynodonts, which possess body proportions associated with heat retention, high vascularised bones with Haversian canals, and possibly hair.