thymus gland

English Thesaurus

1. a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age (noun.body)

hypernym	:	ductless gland, endocrine, endocrine gland,
definition	:	any of the glands of the endocrine system that secrete hormones directly into the bloodstream (noun.body)

part meronym	:	immune system,
definition	:	a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response (noun.body)

part meronym	:	cervix, neck,
definition	:	the part of an organism (human or animal) that connects the head to the rest of the body (noun.body)