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Explain the endochondral ossification
The second type of osteogenesis is endochondral ossification. This process is different from intramembranous ossification in that it occurs with a cartilage base. Endochondral ossification is responsible for a good deal of formation of the long bones , vertebrae and portion of the mandible. It occurs in the following steps: Embryonic mesenchymal stem cells differentiate into a primitive hyaline cartilage. Blood vessels and bone- forming units, which resorb the cartilage and replace it with osteoid, invade this matrix.
What is pollination? What are the main forms of pollination? The process in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is k
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Phosphate detergent as cause of water pollution
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Functional Domains in Children There are three functional domains of particular interest in this age range: Attention, Memory, and Executive function. The
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