Medulla

medulla
inner portion of an organ such as the medulla of a kidney; medulla oblongata is the posterior part of the brain (hindbrain)
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Medulla
[L. medulla - middle, innermost part]. A term used to describe the innermost part of an organ (ie. the brain, ovary or kidney). For example, in the ovary the middle portion of connective tissue that does not contain follicles.
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Also known as the medulla oblongata, this region of the brain is concerned with vital functions like breathing, blood circulation, vomiting, and swallowing.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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The Adrenal Medulla
The Adrenal Glands
The adrenal glands are two small structures situated one atop each kidney.
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medulla 1. A term referring to the central portion of certain organs; e.g., the medulla oblongata of the brain and the adrenal medulla, which synthesizes epinephrine and norepinephrine. 2.
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medulla oblongata
(meh-doo-luh obb-long-gah-tuh)
The lowest part of the vertebrate brain; a swelling of the hindbrain dorsal to the anterior spinal cord that controls autonomic, homeostatic functions, including breathing, ...
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medulla: the inner portion of the adrenal glands; a swelling at the tip of the hindbrain that serves as the passageway for nerves extending to and from the brain.
meiosis: the process by which the chromosome number is halved during gamete formation.
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medulla oblongata Portion of the brain stem located between the pons and the spinal cord.
medulla The inner portion of an organ in contrast to the cortex or outer portion. Also, hindbrain.
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medulla oblongata
The lowest part of the vertebrate brain; a swelling of the hind-brain dorsal to the anterior spinal cord that controls autonomic, homeostatic functions, including breathing, heart and blood vessel activity, swallowing, digestion, ...
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Medulla the farther smaller bulge between the pons and the top of the spinal cord
(medull = marrow pith)
Meiosis a special cell division resulting in sex cells with half as many chromosomes
(meio = less; -sis = the act of) ...
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Urine leaves the medullary collecting ducts through the renal papilla, emptying into the renal calyces, the renal pelvis, and finally into the bladder via the ureter.
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cortex: The outer layer over the internal medulla. It contains blood vessels, glomeruli (which are the kidneys' "filters") and urine tubes and is supported by a fibrous matrix.
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vascular ring. A thin area of potato tuber tissue between the cortex and the medulla in which vascular tissue is concentrated.
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MEN2B is a cancer syndrome that results from a single mutation in the RET gene. This syndrome is characterized by skeletal abnormalities and neuromas, in addition to medullary thyroid carcinoma and pheochromocytoma. (Back to text) ...
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rhombencephalon (aka hindbrain) - the posteriormost of 3 primary vesicles (bulges) formed from the anterior neural tube. The hindbrain further subdivides into a posterior myelencephalon which will give rise to the medulla oblongata, ...
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