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.
Blood cells formed in the bone marrow start out as a stem cell. A stem cell (or hematopoietic cell) is the initial phase of all blood cells. As the stem cell matures, several distinct cells evolve such as the red blood cells, white blood cells, and platelets. Immature blood cells are also called blasts.lood cells formed in the bone marrow start out as a stem cell. A stem cell (or hematopoietic cell) is the initial phase of all blood cells. As the stem cell matures, several distinct cells evolve such as the red blood cells, white blood cells, and platelets. Immature blood cells are also called blasts.