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The superior processes or prezygapophysis project upward from a lower vertebra, and their articular surfaces are directed more or less backward (oblique coronal plane). The inferior processes or postzygapophysis project downward from a higher vertebra, and their articular surfaces are directed more or less forward and outward.
The zygosphene sits between the prezygapophysis in the neural arch, whereas the zygantrum sits between the postzygapophysis. [2] This joint is found in snakes, lacertids, teiids, Gymnophthalmids as well as in some iguanids and cordylids. [3] It is also found in several fossil groups such as plesiosaurians, nothosaurians and pachypleurosaurians. [4]
The facet joint is the joint between the inferior articular process (labeled at bottom) and the superior articular process (labeled at top) of the subsequent vertebra. Median sagittal section of two lumbar vertebrae and their ligaments
The cervical vertebra has a lamina, bone sheet, between the front joint process, the prezygapophysis, and a rear process, the epipophysis, the edge of which lamina is markedly convex, the convex part being longer than the vertebral body and separated from both the prezygapophysis and the epipophysis by conspicuous notches. With the first and ...
The hyposphene-hypantrum articulation is an accessory joint found in the vertebrae of several fossil reptiles of the group Archosauromorpha.It consists of a process on the backside of the vertebrae, the hyposphene, that fits in a depression in the front side of the next vertebrae, the hypantrum.
The holotype is a partial skeleton originally including two teeth, two neck vertebrae, fragments of back vertebrae, 21 tail vertebrae, approximately 20 fragmentary ribs, two chevrons, and a piece of shoulder blade however the two teeth were found to be prezygapophysis processes from the middle centra and three additional vertebrae which were ...
The greater petrosal nerve also conveys some special sensory nerve fibres which carry gustatory (taste) sensory information from the palate [1]: 22 that are relayed to the pterygopalatine ganglion by the lesser palatine nerves and are in turn conveyed to the geniculate ganglion by the greater petrosal nerve to synapse in the ganglion.
The acetabulum is also home to the acetabular fossa, an attachment site for the ligamentum teres, a triangular, somewhat flattened band implanted by its apex into the antero-superior part of the fovea capitis femoris. The notch is converted into a foramen by the transverse acetabular ligament; through the foramen nutrient vessels and nerves ...