It is the indented area medial to the pterygomaxillary fissure leading into thesphenopalatineforamen.
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It exits into the nasal cavity to supply posterior ethmoidal cells and nasal septum; here it anastomoses with thesphenopalatineartery.
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Their development and form are variable between and within species, and features of thesphenopalatinevacuities have been used as characters in cladistic analyses.
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It carries postsynaptic sympathetic nerve fibers to the pterygopalatine ganglion, also known as thesphenopalatineganglion.
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Crossing the under surface of the sphenoid, thesphenopalatineartery ends on the nasal septum as the posterior septal branches.
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Thesphenopalatinevacuities (openings in the roof of the mesopterygoid fossa, behind the palate) are also small, as are the auditory bullae.
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Sphenopalatinevacuities are usually absent, but have been reported in some populations.
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Most of their fibers are derived from thesphenopalatinebranches of the maxillary nerve.
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The roof of the mesopterygoid fossa, the opening behind the palate, is not perforated bysphenopalatinevacuities.
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The mesopterygoid fossa, the gap behind the end of the palate, is perforated bysphenopalatinevacuities, which are set far to the front.
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These processes are separated by thesphenopalatinenotch, which is converted into the sphenopalatine foramen by the under surface of the body of the sphenoid.
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These blood vessels include thesphenopalatine, anterior and posterior ethmoidal arteries.
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Its roof either is wholly ossified or contains smallsphenopalatinevacuities.
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The roof of the fossa is perforated by largesphenopalatinevacuities.
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Their palatine bones are in contact with the median; the deepsphenopalatinenotch separates the pterygoids and extends forwards to between the centre of the eyes.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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