Gland of Zeis Gland of Zeis Glands of Zeis are unilobar sebaceous glands located on the margin of the eyelid. The glands of Zeis service the eyelash. These glands produce an oily substance that is issued through the excretory ducts of the sebaceous lobule into the middle portion of the hair follicle. In the same area of the eyelid, near the base of the eyelashes are apocrine glands called the "glands of Moll". If eyelashes are not kept clean, conditions such as folliculitis may take place, and if the sebaceous gland becomes infected, it can lead to abscesses and styes. The glands of
An Essay on the Inequality of the Human Races An Essay on the Inequality of the Human Races Essai sur l'inégalité des races humaines (Essay on the Inequality of the Human Races, 1853–1855) is the infamous work of French writer Joseph Arthur, Comte de Gobineau, which argues that there are differences between human races, that civilizations decline and fall when the races are mixed and that the white race is superior. It is today considered to be one of the earliest examples of scientific racism. Expanding upon Boulainvilliers' use of ethnography to defend the Ancien Régime against the claims of the Third Estate, Gobineau aimed for an explanatory system