Any hypertensive medications should be held prior to amifostine administration. Nausea and vomiting occurs in 53% of patients; therefore, oral 5HT3 antagonists or a phenothiazine is given 90 to 120 minutes before administering amifostine. If an IV antiemetic is used, it can be given 30 minutes before.
Hematopoiesis: The production of all types of blood cells including formation, development, and differentiation of blood cells. Prenatally, hematopoiesis occurs in the yolk sack, then in the liver, and lastly in the bone marrow. In the normal situation, hematopoiesis in adults occurs in the bone marrow and lymphatic tissues. All types of blood cells are derived from primitive cells (stem cells) that are pluripotent (they have the potential to develop into all types of blood cells). Last Editorial Review: 5/13/2016.
Oogenesis occurs within the embryo sac and leads to the formation of a single egg cell per ovule. What is the process of oogenesis? oogenesis is the development and maturation of the ovum, a process which occurs within the female reproductive system.