What is the shape of a human blood platelets?

Answer 1

When a red blood cell matures it pushes out its nucleus and its internal structures, called spectrin go through a shape change.Shape is not cone or doughnut.The shape is entirely different.When nucleus is travelling out of the RBC along with other structures( spectrin etc. ) which are coming in the path of the nucleus,creates empty space ,which due to negative pressure gives a flat appearance.Thus we get a "C" shaped thickened area and a Tongue shaped flat area which is mobile."c" shaped thickened area covers the 2/3rd margin of RBC while the flat tongue shaped area covers the centre of RBC and 1/3rd margin of RBC.The flat central area is concavo-convex while the peripheral flat part is also concavo-convex but it is opposite to the central part thus giving an appearance of a sports Cap with a thick rounded margin.This Cap shaped RBC is flexible just like the Cap , thus giving different shapes apart from a simple sports Cap.These shapes can be verified through Scan electron microscopy as well as transmission electron microscopy

Answer 2

Usually they take the shape of round with some deepness in the center like a doughnut without the hole being through

Answer 3

Pretty sure they are considered to be disk shaped with a small indent in the middle of the disk.

Answer 4

White blood cells are amorphous (blob shaped and change their shape)

Red blood cells look like donuts with the middle partway filled in.

Answer 5

To engulf bacteria..

Answer 6

A doughnut shape.

Answer 7

a circle shape