Tarsus (eyelids) is a groove in the inner surface of each eyelid. Along the inner margin of the tarsus are modified sebaceous glands known as tarsal glands (or meibomian glands), aligned vertically within the tarsi: 30 to 40 glands in the upper lid, and 20 to 30 in the lower lid, which secrete a lipid-rich product which helps keep the lacrimal secretions or tears from evaporating too quickly, thus keeping the eye moist. Tarsus (eyelids) The tarsi (tarsal plates) are two comparatively thick, elongated plates of dense connective tissue, about in length; one is found in each eyelid, and contributes to its
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