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 ...
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.
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 ...
The medulla spinalis does not fill the part of the vertebral canal in which it lies; it is ensheathed by three protective membranes, separated from each other by two concentric spaces.
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.
medulla
(med-dull-a) [L. the innermost part]
The inner, as opposed to the outer, part of an organ, as in the adrenal gland.
medulla oblongata ...
medulla oblongata
pons and
cerebellum
Medulla oblongata
The medulla looks like a swollen tip to the spinal cord. Nerve impulses arising here ...
medulla
The central part of an organ. Ex. kidney.
medulla oblongata ...
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) ...
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.
The medulla oblongata is closest to the spinal cord, and is involved with the regulation of heartbeat, breathing, vasoconstriction (blood pressure), and reflex centers for vomiting, coughing, sneezing, swallowing, and hiccuping.
Adrenal medulla: epinephrine, norepinephrine - Adrenal cortex: aldosterone, cortisol, DHEA
Thyroid axis
Thyroid: thyroid hormone (T3 and T4) - calcitonin - Parathyroid: PTH
Gonadal axis ...
Columnae posterioris medullae spinalis na alternative for c. Cornus dorsalis medullae spinalis. C.
The collecting duct goes deep into medulla, and as much as of the remaining water can be reabsorbed as the urine travels through the collecting duct.
Epinephrine A catecholamine released by the adrenal medulla in response to muscle activity or its anticipation that stimulates the breakdown of muscle glycogen. Also called adrenaline.
vascular ring. A thin area of potato tuber tissue between the cortex and the medulla in which vascular tissue is concentrated.
The hindbrain further subdivides into a posterior myelencephalon which will give rise to the medulla oblongata, and an anterior metencephalon, which will give rise to the cerebellum and pons. Also known as hindbrain) ...
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) ...
 See also: Human, Trans, Cells, Class, Tissue
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