Other types of raised skin bumps can be caused by skin cancer. There are several types of skin cancer, all requiring medical management and treatment: Actinic keratosis is a precancerous skin condition characterized by scaly, crusty spots on areas of sun-exposed skin, such as hands, arms, or face.
osteocyte[osâ²tÄ-Å-sÄ«tâ²] Type:Term. Definitions. 1. A cell of osseous tissue that occupies a lacuna and has cytoplasmic processes that extend into canaliculi and make contact by means of gap junctions with the processes of other osteocytes.
Osteoprogenitor Cells. These are immature cells that are primarily located in the bone marrow and periosteum (membrane that lines the surface of all bones). They mature into the osteoblasts, another type of bone cell.steoblast Cells. These are the bone cells that are primarily responsible for bone formation. They only have one nucleus and are derived from osteoprogenitor cells. They function by secreting a substance called osteoid, which is also known as the bone matrix.