Nares
/ˈnɛəriːz/
The nostrils or the openings of the nasal cavity.
Nasal
/ˈneɪzəl/
Relating to the nose.
Nasion
/ˈneɪziɒn/
The point on the skull where the nasal and frontal bones meet.
Nasopharynx
/ˌneɪzoʊˈfærɪŋks/
The upper part of the pharynx, connecting with the nasal cavity above the soft palate.
Navicular
/nəˈvɪkjʊlər/
A boat-shaped bone in the ankle (tarsus).
Neck
/nɛk/
The part of the body connecting the head to the rest of the trunk.
Nephron
/ˈnɛfrɒn/
The functional unit of the kidney, responsible for filtering blood.
Nerve
/nɜːrv/
A whitish fiber or bundle of fibers that transmits impulses of sensation to the brain or spinal cord.
Neurilemma
/ˌnjʊərɪˈlɛmə/
The thin sheath around a nerve fiber (also known as the sheath of Schwann).
Neuroglia
/njʊˈrɒɡliə/
Non-neuronal cells that maintain homeostasis and provide support for neurons.
Neuromuscular
/ˌnjʊəroʊˈmʌskjʊlər/
Relating to both nerves and muscles.
Neuron
/ˈnjʊərɒn/
A specialized cell transmitting nerve impulses; a nerve cell.
Neutrophil
/ˈnjuːtrəfɪl/
The most common type of white blood cell, vital for fighting infections.
Nipple
/ˈnɪpəl/
The small projection of a mammary gland from which, in females, milk is secreted.
Node
/noʊd/
A small mass of distinct tissue (e.g., lymph node or the sinoatrial node in the heart).
Nodule
/ˈnɒdjuːl/
A small swelling or aggregation of cells in the body.
Nucha
/ˈnjuːkə/
The back of the neck; the nape.
Nuchal
/ˈnjuːkəl/
Relating to the nape of the neck (e.g., the nuchal ligament).
Nucleolus
/njuːˈkliːələs/
A small dense spherical structure in the nucleus of a cell during interphase.
Nucleoplasm
/ˈnjuːklioʊˌplæzəm/
The substance of a cell nucleus, also known as karyoplasm.
Nucleus
/ˈnjuːkliəs/
The central and most important part of an object, movement, or group.
Nutrient
/ˈnjuːtriənt/
A substance that provides nourishment essential for growth and the maintenance of life.