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The most prominent projecting point of the occipital bone at the base of the skull.

[Greek īnion, occipital bone, from īs, īn-, sinew, fiber; see wei- in Indo-European roots.]


(Anatomy) anatomy the most prominent point at the back of the head, used as a point of measurement in craniometry
[C19: from Greek: back of the head]


(ˈɪn i ən)

the bulging part of the human occipital bone at the back of the skull.
[1805–15; < New Latin < Greek īníon nape of the neck]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.inion - the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance)
craniometric point - a landmark on the skull from which craniometric measurements can be taken
occipital bone - a saucer-shaped membrane bone that forms the back of the skull
References in periodicals archive ?
But while the products inside the packaging have their obvious differences, the product categories each have a shared emphasis on iniac.
Aparte de las magnificas fotografias de Antonio Turok, Omar Meneses, Mariana Yanpolsky, Maya Goded, Graciela Iturbide, Patricia Aridjis, Victor Mendiola, Iniac Martinez, Elsa Medina, Julio Candelaria, participan los escritores Eduardo Galeano, Carlos Montemayor, Antonio Garcia de Leon y Herman Bellinhausen; ademas de Patricia Mendoza, Carmen Lira y el grupo Desea.