ANTH 168 Lecture Notes - Lecture 11: Ossification Center, Diaphysis, Hydroxylapatite

• School: Binghamton University
• Department: Anthropology
• Course: ANTH 168
• Professor: merriwether

Document Summary

Growth: an increase in size (of a cell, bone, etc) Development: refers to a morphological change that does not necessarily occur with absolute growth, such a s a human developing from a fetus, to an infant, to a toddler and so on. By the time we transition into adulthood, we have development without growth itself. Dental and skeletal tissue arise from mesenchymal cells: unspecialized connective tissue cells, from these cells, they can develop into anything from blood cells, bone and cartilage, kind of a type of stem cell. Intramembranous bones ossify from membranes transformed from mesenchymal tissue: endochondral bones form from cartilage models that are transformed into bone by osteogenic cells, dental and skeletal tissues arise from mesenchymal cells. Osteoblasts lay down bone matrix; are bone making cells. Periosteum is a thin layer of soft tissue that coats the bone and is filled with blood vessels. Bones are made out of mineral and collagen.