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Search Result for "medulla": 
Wordnet 3.0

NOUN (3)

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);
- Example: "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;


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