Not every relation is a function. But every function is a relation. Function is just a part of relation.
The cubic function.
Range
The Mandelbrot graph is generated iteratively and so is a function of a function of a function ... and in that sense it is a composite function.
A formula or graph are two ways to describe a math function. How a math function is described depends on the domain of the function or the complexity of the function.
Megakaryocytes form Thrombocytes ( platelets) which function in the formation of blood clotting
Megakaryocytes form Thrombocytes ( platelets) which function in the formation of blood clotting
megakaryocytes
platelets.
formed in the bone marrow by megakaryocytes
megakaryocyte
platelets.
megakaryocytes--platelets and red blood cells
Platelets are fragments of bizarre multinucleate cells called megakaryocytes
Formed Elements
Thrombyopoietin stimulates formation and maturation of megakaryocytes and thereby boosts PTL levels.
Thrombocytes are platelets, derived from fragmentation of megakaryocytes. They are not white blood cells.