Thymus_glandWordNet Explorer

a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age

any of the glands of the endocrine system that secrete hormones directly into the bloodstream

the part of an organism (human or animal) that connects the head to the rest of the body

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