The word "trigonocephalus" is a mouthful of a term used to describe a venomous snake found in parts of South America. Its name comes from the Greek words "trigon" meaning triangle and "kephalos" meaning head. The correct pronunciation of "trigonocephalus" is /trɪˌɡɒnəʊˈsɛfələs/, with the emphasis on the third syllable. Its spelling reflects the word's Greek roots, with the "o" in "trigon" being spelled with an "o" as opposed to a "u" commonly used in modern English spelling.
Trigonocephalus is a term used in biology and medicine to refer to a condition or characteristic that involves a triangular-shaped head or skull. The word itself has Greek origins, with "trigono" meaning triangle and "cephalus" meaning head.
In biology, trigonocephalus can refer to a specific genetic disorder called trigonocephaly. Trigonocephaly is a cranial malformation in which the metopic suture, a fibrous joint that separates the frontal bones of the skull, fuses prematurely during development. This fusion results in a triangular or keel-shaped forehead. Trigonocephaly is considered a craniosynostosis, a condition characterized by the premature fusion of the skull bones, which can lead to the development of abnormal head shape and potentially affect brain growth. Surgical intervention is often necessary to correct the malformation and allow for normal brain growth.
In a broader sense, trigonocephalus can also be used to describe any condition or characteristic that involves a triangular-shaped head or skull in various organisms. It can be observed in some species of snakes, particularly within the Viperidae family, such as the genus Trigonocephalus, commonly known as lancehead pit vipers. These venomous snakes are named for their triangular-shaped heads, which aid in camouflage and are also associated with their prey-capturing abilities.
A monster having a more or less triangular skull owing to arrested development of the frontal bone and of the frontal lobes of the brain.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "trigonocephalus" is derived from two Greek roots: "trigonon" meaning triangle, and "kephalē" meaning head. When combined, "trigonocephalus" literally means "triangle head".