The opening on the Inferior Aspect of the Nose; enters the Body.
Nose
The part off the Respiratory Tract through wich air enters the body.
Noradrenaline
A hormone secreted by the Adrenal Medulla; also secreted as a Neurotransmitter by certain Neurons; also known as Norepinephrine.
Nonmyelinated Nerves
Nerves whose Axons do not have Myelin Sheath around them.
Nonkeratinized
Refers to Epithelia that do not have Keratin.
Nodes of Ranvier
The gaps between the Myelin in a Nerve Axon; also known as Internodes.
Neutrophil
White Blood Cells with Cytoplasm that has tiny granules; the cell appears neutral in color on staining.
Neutron
A particle that makes up an Atom; carries no charge.