Man takes nothing back when he dies
All leaves their bones as a signature of ones existence
Bones have the story of Life: Growth Of Man
Bones
Man: Born with 270 soft bones and ends with 206 bones
Man: 206 Hard Permanent Bones
Bone Formation and Growth
Starts at 6 weeks and stops at the age of 25
Growth Hormones Thyroxine and Sex Hormones: Bone formation and growth
Bone Tissue: Cells (Osteocytes, Osteoblast and Osteoclast)
Bone Growth
Ossification of Epiphysis:
On completion hyaline and articular cartilage remains only in the epihyseal plate
Osteons/ Haversian System: Units of structure in Mature Bone
Composition Of Haversian System
Haversian Canals: Gives Bone Life (Blood)
Bones were and are living (Haversian Canal)
Haversian Canal: Proof Of Life
Haversian Canal: It contains blood vessels, lymphatics and nerves
The Haversian Canal contains the blood supply for the Osteon
Eg., Long Bone and Haversian Canal System
Haversian Canal System (Snapshot)
No comments:
Post a Comment