Medulla or Medullary may refer to:
Science
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Medulla oblongata, a part of the brain stem
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Renal medulla
The renal medulla is the innermost part of the kidney. The renal medulla is split up into a number of sections, known as the renal pyramids. Blood enters into the kidney via the renal artery, which then splits up to form the segmental arteries whi ...
, a part of the kidney
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Adrenal medulla, a part of the adrenal gland
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Medulla of ovary
The medulla of ovary (or Zona vasculosa of Waldeyer) is a highly vascular stroma in the center of the ovary. It forms from embryonic mesenchyme and contains blood vessels, lymphatic vessels, and nerves.
This stroma forms the tissue of the hilum ...
, a stroma in the center of the ovary
* Medulla of the
thymus
The thymus is a specialized primary lymphoid organ of the immune system. Within the thymus, thymus cell lymphocytes or ''T cells'' mature. T cells are critical to the adaptive immune system, where the body adapts to specific foreign invaders. ...
, a part of the lobes of the thymus
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Medulla of lymph node
A lymph node, or lymph gland, is a kidney-shaped organ of the lymphatic system and the adaptive immune system. A large number of lymph nodes are linked throughout the body by the lymphatic vessels. They are major sites of lymphocytes that include ...
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Medulla (hair)
The medulla is the innermost layer of the hair shaft.
This nearly invisible layer is the most soft and fragile, and serves as the pith or marrow of the hair. Some mammals don't have a medulla in their hair. The presence or absence of this layer a ...
, the innermost layer of the hair shaft
* Medulla, a part of the
optic lobe of arthropods
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Medulla (lichenology)
The medulla is a horizontal layer within a lichen thallus. It is a loosely arranged layer of interlaced hyphae below the upper cortex and photobiont
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living am ...
, a layer of the internal structure of a lichen
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Pith
Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which in some cases can store starch. In eudicotyledons, pith is located in the center of the stem. In monocotyledons, it ext ...
, or medulla, a tissue in the stems of vascular plants
Other uses
* ''
Medúlla
''Medúlla'' is the fifth studio album by Icelandic recording artist Björk. It was released on 30 August 2004 in the United Kingdom by One Little Indian Records and in the United States by Elektra Entertainment. After the release of her electro ...
'', a 2004 album by Björk
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Medulla, Florida
Medulla is an unincorporated community and census-designated place (CDP) in western Polk County, Florida, United States. It is part of the Lakeland– Winter Haven Metropolitan Statistical Area. Medulla is an affluent residential community l ...
, a place in the U.S.
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Las Médulas
Las Médulas () is a historic gold-mining site near the town of Ponferrada in the comarca of El Bierzo (province of León, Castile and León, Spain). It was the most important gold mine, as well as the largest open-pit gold mine in the entire ...
, a gold mining site in León, Spain
See also
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Medullary cavity
The medullary cavity (''medulla'', innermost part) is the central cavity of bone shafts where red bone marrow and/or yellow bone marrow ( adipose tissue) is stored; hence, the medullary cavity is also known as the marrow cavity.
Located in the m ...
, the central cavity of bone shafts
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Medullary ray (disambiguation)
* ''
Medulla Grammatice'', a fifteenth-century Latin–Middle English glossary
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