thymus
/ˈθaɪməs/(亦作thymus gland)
noun
(pl. thymi /-maɪ/)
- 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.胸腺。
词源
late 16th cent. (denoting a growth or tumour resembling a bud): from Greek thumos 'excrescence like a thyme bud, thymus gland'.