Medulla

/məˈdʌlə/

Meaning & Definition

noun

The inner or central part of an organ or structure, especially of the kidneys or adrenal glands.

The medulla of the kidney plays a crucial role in the filtration of blood.

A part of the brainstem that is responsible for regulating several vital functions, including breathing and heart rate.

Damage to the medulla can impair vital bodily functions, leading to life-threatening conditions.

The innermost part of a hair, bone, or other structure.

The medulla of the hair shaft is surrounded by the cortex and cuticle.

From Latin 'medulla' meaning 'marrow' or 'pith'.

medulla oblongata

The part of the brain that controls autonomic functions.

medullary cavity

The central cavity of bone shafts where red and yellow marrow are stored.

adrenal medulla

The inner part of the adrenal gland that produces hormones.

medullary

Relating to the medulla.