haversian canal वाक्य
"haversian canal" हिंदी में haversian canal in a sentenceउदाहरण वाक्य
- These canals are called haversian canals.
- Each haversian canal is surrounding by varying number ( 5-20 ) of concentrically arranged lamellae of bone martix.
- Within the bone itself, the haversian canals become blocked with scar tissue, and the bone becomes surrounded by thickened periosteum.
- Haversian canals are contained within osteons, which are typically arranged along the long axis of the bone in parallel to the surface.
- 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.