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Dolichocephaly (derived from the Ancient Greek δολιχός 'long' and κεφαλή 'head') is a term used to describe a head that is longer than average relative to its width. In humans, scaphocephaly is a form of dolichocephaly. Dolichocephalic dogs (such as the Lurcher or German Shepherd) have elongated noses.
A synonymous term is 'dolichocephaly' (the prefix 'dolicho-' means elongated). [9] Premature sagittal suture closure restricts growth in a perpendicular plane, thus the head will not grow sideways and will remain narrow. [10] [11] This is best seen in a view standing above the child looking downward at the top of the head. [12]
The dolichocephalic skull is narrow at base yet long in length, so the Alaunt could be referred to as a modified dolichocephalic breed, as mesocephalic is a balance of base to length. Moreover, the Alaunt or mastiff must be separated from the Molossoides in head study, as this term does not separate the Mastiff from the mountain dogs or even ...
Dolichocephaly Variable sagittal craniosynostosis penetrance. [64] Craniosynostosis-anal anomalies-porokeratosis syndrome: Coronal, sagittal Brachycephaly [65] Craniosynostosis-Dandy-Walker malformation-hydrocephalus syndrome: Sagittal Dolichocephaly [66] Craniosynostosis-fibular aplasia syndrome [67]
Prognathism is a positional relationship of the mandible or maxilla to the skeletal base where either of the jaws protrudes beyond a predetermined imaginary line in the coronal plane of the skull.
Swedish professor of anatomy Anders Retzius (1796–1860) first used the cephalic index in physical anthropology to classify ancient human remains found in Europe. He classified brains into three main categories, "dolichocephalic" (from the Ancient Greek kephalê, head, and dolikhos, long and thin), "brachycephalic" (short and broad) and "mesocephalic" (intermediate length and width).
Facial deformities with Smith-Fineman-Myers syndrome. SFMS affects the skeletal and nervous system. This syndrome's external signs would be an unusual facial appearance with their heads being slightly smaller than average, a narrow face (clinically known as dolichocephaly), a large mouth with a drooping lower lip that is held open, protruding upper jaw, widely spaced upper front teeth, an ...
Huxley (1870) described Australioids as dolichocephalic; their hair as usually silky, black and wavy or curly, with large, heavy jaws and prognathism, with skin the color of chocolate and irises which are dark brown or black. [8] The term "Proto-Australoid" was used by Roland Burrage Dixon in his Racial History of Man (1923).