Hypophysitis is an inflammation of the pituitary gland.

Worker bees construct the comb using beeswax, a substance produced by four pairs of glands located on the underside of their abdomens.

Descartes thought that the mind and body were joined in the pineal gland.

Glands secrete chemical substances into the body.

Inwardly the Second Men differed from the earlier species in that they had shed most of those primitive relics which had hampered the First Men more than was realized. Not only were they free of appendix, tonsils and other useless excrescences, but also their whole structure was more firmly knit into unity. Their chemical organization was such that their tissues were kept in better repair. Their teeth, though proportionately small and few, were almost completely immune from caries. Such was their glandular equipment that puberty did not begin till twenty; and not till they were fifty did they reach maturity. At about one hundred and ninety their powers began to fail, and after a few years of contemplative retirement they almost invariably died before true senility could begin.

A sty or stye is commonly caused by staphlycoccus bacteria that along with dead skin cells clog glands in your eyelids, along the lash line.

The thyroid gland is an endocrine gland.

The pancreas is a large gland that produces insulin.

The thyroid is an endocrine gland.

Infectious mononucleosis, commonly also called glandular fever, is an infection most commonly affecting adolescents and young adults.