A Univ. of Nev. Strep throat in children generally lasts for about a week (two to seven days). The symptoms can be severe, causing levels of discomfort during swallowing that make a child not want to eat. Other symptoms include redness and white patches in the throat, swollen lymph nodes and fever.
2. chondroblasts-immature cartilage cells. Secrete extracellular matrix, but are not yet rigidly embedded in that matrix. 3. chondrocytes-mature cartilage cells that are embedded in rigid extracellular matrix. These cells reside in small spaces within the matrix that are called lacunae.
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.