<span>Three months after fertilization and development of a placenta around the developing fetus, the corpus luteum regresses and forms the corpus albicans.</span> Formed placenta takes over progesterone production (which was the role of corpus luteum) and the corpus luteum degrades into a corpus albicans. The corpus luteum is being broken down by macrophages, in a process called luteolysis. The remains of the corpus albicans may persist as a scar on the ovary.
Multiple sclerosis is a condition where the myelin sheath hardens; disrupts the flow of information through the neurons. Myelin sheath is a layer of fatty cells which helps in the transmission of nerves impulses along the axon by insulating it. It is an outgrowth of a type of glial cell which is formed by a process called myelination or myelinogenesis.
Therefore, the correct answer is Myelin sheath.
Answer:
1.Are made up of one or more cells
2. Cells
3. Trees
Explanation:
Answer:
The correct answer is option e. "pancreas".
Explanation:
One of the main function of the pancreas, is to produce insulin, a hormone that allows glucose to enter the cells in order to be used to produce energy. When the blood glucose level rises after a meal, the first organ to respond is the pancreas by secreting insulin and allowing the body to use the ingested glucose. Type 1 diabetes occurs when pancreas does not produce enough insulin and high levels of glucose remain in the blood.