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The jugal bone is located on either side of the skull in the circumorbital region. It is the origin of several masticatory muscles in the skull. [1] The jugal and lacrimal bones are the only two remaining from the ancestral circumorbital series: the prefrontal, postfrontal, postorbital, jugal, and lacrimal bones. [2]
Russia, or "the Russian Federation," is a nation of Europe. The "Northern Asia" name is unofficially recognized; for example, the UN Group of Experts on Geographical Names includes an Eastern Europe, Northern and Central Asia Division. "Northern Asia" comes from traditional usage, which divides Europe from Asia at the Ural Mountains.
Afrikaans; Anarâškielâ; Аԥсшәа; العربية; Aragonés; Asturianu; Azərbaycanca; বাংলা; Башҡортса; Беларуская ...
Blue = Central Asia; Yellow = East Asia (China, Mongolia, Korea, Japan) Brown = West Asia/Middle East; Green = South Asia (India, Pakistan, Bangladesh, Nepal, Bhutan) Red = South East Asia (10 ASEAN countries + East Timor) Date: 5 May 2007 (original upload date) Source: Own work based on the blank world map: Author
In anatomy, the zygomatic arch (colloquially known as the cheek bone), is a part of the skull formed by the zygomatic process of the temporal bone (a bone extending forward from the side of the skull, over the opening of the ear) and the temporal process of the zygomatic bone (the side of the cheekbone), the two being united by an oblique suture (the zygomaticotemporal suture); [1] the tendon ...
The bone is also absent in living amphibians. [6] With the exception of turtles, the jugal bone in reptiles forms a relatively narrow bar separating the orbit from the inferior temporal fenestra, of which it may also form the lower boundary. The bone is similarly reduced in birds. In mammals, it takes on broadly the form seen in humans, with ...
depressifrons can be distinguished from all other species of Asiatosuchus by a combination of several characteristics including a large hole and a depressed area on the jugal bone of the skull, a frontal bone that does not touch the supratemporal fenestrae (two holes at the top of the skull behind the eye sockets), and a postorbital bone behind ...
In tetrapods with a quadratojugal bone, it often forms a portion of the jaw joint. Developmentally, the quadratojugal bone is a dermal bone in the temporal series, forming the original braincase. The squamosal and quadratojugal bones together form the cheek region [4] and may provide muscular attachments for facial muscles. [5]