[syn: medulla oblongata, medulla, bulb]
3. the inner part of an organ or structure in plant or animal;
The Collaborative International Dictionary of English v.0.48:
Medulla \Me*dul"la\, n. [L.]
1. Marrow; pith; hence, essence. [Obs.] --Milton.
[1913 Webster]
2. (Anat.) The marrow of bones; the deep or inner portion of
an organ or part; as, the medulla, or medullary substance,
of the kidney; specifically, the medula oblongata.
[1913 Webster]
3. (Bot.) A soft tissue, occupying the center of the stem or
branch of a plant; pith.
[1913 Webster]
4. See medulla oblongata.
[PJC]
Medulla oblongata. [L., oblong medulla] (Anat.), the
posterior part of the brain connected with the spinal
cord. It includes all the hindbrain except the cerebellum
and pons, and from it a large part of the cranial nerves
arise. It controls very largely respiration, circulation,
swallowing, and other functions, and is the most vital
part of the brain; -- called also bulb of the spinal
cord. See Brain.
[1913 Webster]
WordNet (r) 3.0 (2006):
medulla
n 1: a white fatty substance that forms a medullary sheath
around the axis cylinder of some nerve fibers [syn:
myelin, myeline, medulla]
2: lower or hindmost part of the brain; continuous with spinal
cord; (`bulb' is an old term for medulla oblongata); "the
medulla oblongata is the most vital part of the brain because
it contains centers controlling breathing and heart
functioning" [syn: medulla oblongata, medulla, bulb]
3: the inner part of an organ or structure in plant or animal
[ant: cortex]
U.S. Gazetteer Places (2000):
Medulla, FL -- U.S. Census Designated Place in Florida
Population (2000): 6637
Housing Units (2000): 2739
Land area (2000): 5.675822 sq. miles (14.700312 sq. km)
Water area (2000): 0.017590 sq. miles (0.045557 sq. km)
Total area (2000): 5.693412 sq. miles (14.745869 sq. km)
FIPS code: 43925
Located within: Florida (FL), FIPS 12
Location: 27.962551 N, 81.980790 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Medulla, FL
Medulla