Medullary
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Medullary (məˈdʌləri)
Medullary refers to the inner structure of an organ, particularly the medulla oblongata in the brain and the medulla of the kidney. The term is derived from the Latin word "medulla," which means "marrow" or "pith."
Etymology
The term "medullary" is derived from the Latin word "medulla," which means "marrow" or "pith." It is used in medical terminology to refer to the innermost part of a structure or organ.
Pronunciation
Medullary is pronounced as məˈdʌləri.
Related Terms
- Medulla Oblongata: The continuation of the spinal cord within the skull, responsible for the transmission of signals from the brain to the spinal cord.
- Medulla of Kidney: The innermost part of the kidney, split up into a number of sections, known as the renal pyramids.
- Adrenal Medulla: The inner part of the adrenal gland, producing hormones like adrenaline and noradrenaline.
- Medullary Cavity: The central cavity of bone shafts where marrow is stored.
- Medullary Sponge Kidney: A congenital disorder where cysts form in the urine-collecting ducts and tubules of one or both kidneys.
- Medullary Thyroid Cancer: A type of thyroid cancer that begins in the parafollicular cells (C cells) in the thyroid.
External links
- Medical encyclopedia article on Medullary
- Wikipedia's article - Medullary
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