Definition of thymus in English:

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thymus

Pronunciation: /ˈθʌɪməs/
(also thymus gland)

noun (plural thymi /ˈθʌɪmʌɪ/)

A lymphoid organ situated in the neck of vertebrates which produces T-lymphocytes for the immune system. The human thymus becomes much smaller at the approach of puberty.
Example sentences
  • Primary lymphoid organs in the thymus and bone marrow constitute the major site of lymphocyte development.
  • The lymphatic system consists of lymph nodes and vessels, the thymus, spleen and bone marrow.
  • About 10% of patients have a benign tumor of the thymus gland, a lymph gland that usually disappears at puberty.

Origin

Late 16th century (denoting a growth or tumour resembling a bud): from Greek thumos 'excrescence like a thyme bud, thymus gland'.

Words that rhyme with thymus

Mimas, primus, timeous
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