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The infratemporal fenestra, also called the lateral temporal fenestra or lower temporal fenestra, is the lower of the two and is exposed primarily in lateral (side) view. Temporal fenestrae in relation to the other skull openings in the dinosaur Massospondylus , a type of diapsid .
Protocols vary depending on local standard procedures and the extremity being operated on. A vast majority of practitioners begin by exsanguinating the limb as Bier did with an elastic bandage (Esmarch bandage), squeezing blood proximally toward the heart, then pneumatic tourniquets are applied to the limb and inflated 30mmHg above arterial pressure to occlude all blood vessels and then the ...
The lower temporal fenestra, usually present as a hole in the back of the skull of choristoderes, is closed by bone in Philydrosaurus. The eye sockets are large and spaced close together, similar to Monjurosuchus and Lazarussuchus .
As with other diapsids, Turfanosuchus had a pair of openings at the rear portion of the skull known as temporal fenestra. The bone separating the two holes, the squamosal, had a lower branch which curved forwards to contact the jugal and divide the lower temporal fenestra into two separate holes, leaving three holes at the back of the skull in ...
Euryapsida is a polyphyletic (unnatural, as the various members are not closely related) group of sauropsids that are distinguished by a single temporal fenestra, an opening behind the orbit, under which the post-orbital and squamosal bones articulate.
Skull of the basal rhynchocephalian Planocephalosaurus, which has an open lower temporal fenestra. The complete lower temporal bar (caused by the fusion of the jugal and quadtrate/quadratojugal bones of the skull) of the tuatara, often historically asserted to be a primitive feature retained from earlier reptiles, is actually a derived feature ...
The lower temporal fenestra (also known as the infratemporal fenestra) was typically a large hole on the side of the skull, although it was not completely enclosed from below in many lepidosaurs (the group of reptiles containing lizards, snakes, and the tuatara) and a few archosauromorphs (such as Prolacerta and Kadimakara). In these reptiles ...
The lower temporal fenestra is not fully enclosed in early archosauromorphs (and choristoderes) due to alterations to the structure of the quadratojugal bone at the rear lower corner of the skull. This bone is roughly L-shaped in these taxa, with a tall dorsal process (vertical branch), a short anterior process (forward branch), and a tiny or ...