Student Dictionary

One entry found for thymus.
Main Entry: thy·mus
Pronunciation: primarystressthimacr-mschwas
Function: noun
Inflected Form(s): plural thy·mus·es also thy·mi /-secondarystressmimacr/
: a gland that is found in the young of most vertebrates usually in the chest near the heart, that before and for a time after birth has very important effects on the production and development of T cells, and that becomes less active and gradually shrinks or disappears with age

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