thymus

[ thahy-muhs ]

/ ˈθaɪ məs /

SEE SYNONYMS FOR thymus ON THESAURUS.COM

noun, plural thy·mus·es, thy·mi [thahy-mahy]. /ˈθaɪ maɪ/. Anatomy.

a ductless, butterfly-shaped gland lying at the base of the neck, formed mostly of lymphatic tissue and aiding in the production of T cells of the immune system: after puberty, the lymphatic tissue gradually degenerates.

Also called thymus gland .

Origin of thymus

1685–95; <New Latin <Greek thýmos warty excrescence, thymus

Words nearby thymus

thymokinetic, thymol, thymoma, thymoprival, thymosin, thymus, thymus corpuscle, thymus gland, thymy, Thyone, thyratron

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for thymus

The enlargement of the thymus may be part of a general lymphatic hyperplasia—known as the status lymphaticus.
Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition.|Alexander Miles
The enlargement or persistence of the thymus can be better recognised, and doctors now seldom fail to notice it.
Essays In Pastoral Medicine|Austin Malley
He recognized the opening of the common biliary duct, and was the first to give a good description of the thymus gland.
The Popes and Science|James J. Walsh
The thymus of the calf is popularly known as “the chest sweetbread.”
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8|Various

Here, then, in the thymus may be the missing mesosomatic coxal glands.
The Origin of Vertebrates|Walter Holbrook Gaskell

British Dictionary definitions for thymus

thymus

/ (ˈθaɪməs) /

noun plural -muses or -mi (-maɪ)

a glandular organ of vertebrates, consisting in man of two lobes situated below the thyroid. In early life it produces lymphocytes and is thought to influence certain immunological responses. It atrophies with age and is almost nonexistent in the adult

Word Origin for thymus

C17: from New Latin, from Greek thumos sweetbread

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for thymus

thymus

[ thī′məs ]

n. pl. thy•mus•es

A lymphoid organ that is located in the superior mediastinum and lower part of the neck and is necessary in early life for the normal development of immunological function.

The thymus of a calf or lamb.

Scientific definitions for thymus

thymus

[ thī′məs ]

An organ of the lymphatic system located behind the upper sternum (breastbone). T cells (T lymphocytes) develop and mature in the thymus before entering the circulation. In humans, the thymus stops growing in early childhood and gradually shrinks in size through adulthood, resulting in a gradual decline in immune system function.

单词	thymus
释义	thymus [ thahy-muhs ] / ˈθaɪ məs / SEE SYNONYMS FOR thymus ON THESAURUS.COM noun, plural thy·mus·es, thy·mi [thahy-mahy]. /ˈθaɪ maɪ/. Anatomy. a ductless, butterfly-shaped gland lying at the base of the neck, formed mostly of lymphatic tissue and aiding in the production of T cells of the immune system: after puberty, the lymphatic tissue gradually degenerates. Also called thymus gland . Origin of thymus 1685–95; <New Latin <Greek thýmos warty excrescence, thymus Words nearby thymus thymokinetic, thymol, thymoma, thymoprival, thymosin, thymus, thymus corpuscle, thymus gland, thymy, Thyone, thyratron Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for thymus The enlargement of the thymus may be part of a general lymphatic hyperplasia—known as the status lymphaticus. Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition.\|Alexander Miles The enlargement or persistence of the thymus can be better recognised, and doctors now seldom fail to notice it. Essays In Pastoral Medicine\|Austin Malley He recognized the opening of the common biliary duct, and was the first to give a good description of the thymus gland. The Popes and Science\|James J. Walsh The thymus of the calf is popularly known as “the chest sweetbread.” Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8\|Various Here, then, in the thymus may be the missing mesosomatic coxal glands. The Origin of Vertebrates\|Walter Holbrook Gaskell British Dictionary definitions for thymus thymus / (ˈθaɪməs) / noun plural -muses or -mi (-maɪ) a glandular organ of vertebrates, consisting in man of two lobes situated below the thyroid. In early life it produces lymphocytes and is thought to influence certain immunological responses. It atrophies with age and is almost nonexistent in the adult Word Origin for thymus C17: from New Latin, from Greek thumos sweetbread Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to thymus heart, marrow, stomach, tongue, tripe, brains, chitlins, chitterlings, giblets, gizzard, kidneys, liver, mountain oyster, pancreas, prairie oyster, sweetbread, testis Medical definitions for thymus thymus [ thī′məs ] n. pl. thy•mus•es A lymphoid organ that is located in the superior mediastinum and lower part of the neck and is necessary in early life for the normal development of immunological function. The thymus of a calf or lamb. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for thymus thymus [ thī′məs ] An organ of the lymphatic system located behind the upper sternum (breastbone). T cells (T lymphocytes) develop and mature in the thymus before entering the circulation. In humans, the thymus stops growing in early childhood and gradually shrinks in size through adulthood, resulting in a gradual decline in immune system function. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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thymus

noun, plural thy·mus·es, thy·mi [thahy-mahy]. /ˈθaɪ maɪ/. Anatomy.

Origin of thymus

Words nearby thymus

Example sentences from the Web for thymus

British Dictionary definitions for thymus

noun plural -muses or -mi (-maɪ)

Word Origin for thymus

Words related to thymus

Medical definitions for thymus

n. pl. thy•mus•es

Scientific definitions for thymus