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.
replaced by bone. Cartilage models are formed through condensation of mesenchymal cells, followed by their differentiation into chondrocytes and secretion of typi-cal cartilage extracellular matrix components (Fig. 1A). The cartilage model once formed is invaded ï¬rst at its centre and later at each end by a mixture of cells