In the context of biology, poisons are substances that can cause damage, illness, or death to organisms, usually by chemical reaction or other...

Pollination is an important step in the reproduction of seed plants: the transfer of pollen grains (male gametes) to the plant carpel, the...

Programmed cell-death (PCD) is the suicide of a cell in a multicellular organism. In contrast to necrosis, which is a form of cell-death that...

Glial cells are at the center of most functions of the nervous system. Glial cells outnumber neurons (nerve cells) in the brain and spinal cord by...

Neurobiology is the study of the development and function of the nervous system, with emphasis on how nerve cells generate and control behavior. ...