Action potential
Neural impulses occur when a stimulus depolarizes a cell membrane, prompting an action potential which…
MCAT® Outline
Resting potential: electrochemical gradient
The concentration gradient of ions across the membrane and the membrane permeability to each type…
Adaptive immune system cells
Adaptive immune system cells are the T lymphocytes and B lymphocytes cells that help in…
Innate immune system cells
The innate immune system has specific cells whose job is to recognize pathogen-associated molecular patterns.…
Synaptic activity: transmitter molecules
Synaptic transmission is a chemical activity that is involved in the transmission of the impulse…
Neuroendrocrinology ― relation between neurons and hormonal systems
The nervous system directly stimulates endocrine glands to release hormones, which is referred to as…
Function of endocrine system: specific chemical control at cell, tissue, and organ level
A hormone is a chemical released by a cell or a gland in one part…
Initiation, termination co-factors
Both prokaryotes and eukaryotes use additional protein factors, called initiation and termination factors, to help…
Neighborhood Safety and Violence
A variety of factors can contribute to neighborhood safety and violence. Neighborhoods often house people…
Synapse: site of impulse propagation between cells
A synapse is a structure that permits a neuron to pass an electrical or chemical…