Medulla

Look up medulla or medullary in Wiktionary, the free dictionary.

Medulla refers to the middle of something and derives from the Latin word for marrow. Its anatomical uses include:

• Medulla oblongata, a part of the brain stem
• Medulla spinalis, an alternative name for the spinal cord
• Renal medulla, a part of the kidney
• Adrenal medulla, a part of the adrenal gland
• Medulla ossea, the marrow inside a bone
• Medulla of ovary
• Medulla of thymus
• Medulla of lymph node
• Medulla (hair)
• Medullary ray (disambiguation)
• Used in medullated, a deprecated word for myelinated neurons.

Non-medical uses of the term include:

• Medúlla, a 2004 music album by Icelandic singer Björk
• Medulla, Florida, a U.S. city
• Las Médulas, Ancient Roman gold mines in León, Spain
• Medulla Grammatice or Medulla Grammaticae, a fifteenth-century Latin–Middle English dictionary
• In botany the word pith is loosely used as synonymous with medulla.

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