1 If the stalker makes repeated phone calls, the victim should ask the police to set up a phone tap. 2  Collect evidence. 3  A stalking victim should collect and preserve evidence that can be used to prosecute and convict the stalker.
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).ematopoiesis: The production of all types of blood cells including formation, development, and differentiation of blood cells.
The tumors may be nodular, plaquelike, or diffuse lesions that invade the skull, causing bone erosion and compression of brain tissue. Meningiomas usually occur in adults. A tumour of meninges and meningeal cells, which is most common in middle-aged women and may occur in a background of neurofibromatosis type 2.