You searched for: “medulla
medulla
1. The innermost part.
2. The inner core of certain organs or body structures; such as, the marrow of bone.

The adrenal medulla is the innermost part of that gland.

The renal medulla is the inner part of the kidney.

The spinal medulla is the part of the spinal cord that is lodged within the vertebral canal.

This entry is located in the following unit: medull-, medullo-, medulli- + (page 1)
(Greek: bone marrow; the spinal cord and medulla oblongata; the myelin sheath of nerve fibers)
Word Entries containing the term: “medulla
medulla oblongata
1. The lowermost part of the brain in vertebrates.

It is continuous with the spinal cord and controls involuntary vital functions; such as, those involved with the heart and lungs.

2. The base of the brain, which is formed by the enlarged top of the spinal cord.

This part of the brain directly controls breathing, blood flow, and other essential functions.

This entry is located in the following unit: medull-, medullo-, medulli- + (page 1)
medulla spinalis
1. A major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain.
2. A long tube-like structure extending from the base of the brain through the vertebral canal to the upper lumbar region; the spinal cord.
This entry is located in the following unit: medull-, medullo-, medulli- + (page 1)