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.
Bone cells that liquefy the bone matrix and release calcium into  the blood are called Osteoclasts. Immature or matrix depositing  bone cells are called osteoblasts.Edit. Bone cells are regularly being removed and replaced, much like the cells in your tissues and organs. 2  Ostâ¦. 3  The Five Major Parts of the Brain At its most basic, the brain controls the body.