Question

What Replaces Most Of The Cartilages In Vertebrate Embryos?

Answer 1

Vertebrates:

1. These include members of the Phylum Chordata that have a characteristic backbone or spinal cord encased in a bony vertebral column.
2. In vertebrate embryos, most of the cartilage is replaced by bones.
3. Cartilage is made up of solid and pliable intercellular material which resists compression.
4. Bones are made up of a hard and non-pliable ground substance that provides strength.
5. The process of bone formation is called ossification.
6. In the early stages, the embryo's skeleton consists of fibrous membranes and hyaline cartilage.
7. The process of ossification begins at the sixth or seventh week of embryo development.