Subarcuate fossa | |
---|---|
Details | |
Identifiers | |
Latin | Fossa subarcuata ossis temporalis |
TA98 | A02.1.06.034 |
TA2 | 672 |
FMA | 56418 |
Anatomical terms of bone |
The subarcuate fossa is a shallow [1] depression upon the internal surface of the petrous part of the temporal bone [2] forming the wall of the posterior cranial fossa. The fossa accommodates the flocculus of the cerebellum. It is situated lateral/posterior to the internal auditory meatus. [1]
The subarcuate fossa is situated posteriorly [3]: 568 and superiorly [3]: 737 between the opening of the vestibular aqueduct and opening of internal auditory meatus. [3]: 568, 737
The surface of the subarcuate fossa is lined with dura mater and lodges the endolymphatic sac and duct, as well as a minute artery and vein; [3]: 568 some veins from the mucosa of mastoid antrum enter the cranial cavity at the subarcuate fossa to drain at the superior petrosal sinus - they are remnants of larger subarcuate veins of childhood and represent a possible route of intracranial infectious spread. [3]: 749
It is extensive in most primates (except for great apes) and nearly all mammals. In these animals, the subarcuate fossa houses a part of the cerebellum, the petrosal lobe. [4] [5]
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: CS1 maint: location missing publisher (
link)
Subarcuate fossa | |
---|---|
Details | |
Identifiers | |
Latin | Fossa subarcuata ossis temporalis |
TA98 | A02.1.06.034 |
TA2 | 672 |
FMA | 56418 |
Anatomical terms of bone |
The subarcuate fossa is a shallow [1] depression upon the internal surface of the petrous part of the temporal bone [2] forming the wall of the posterior cranial fossa. The fossa accommodates the flocculus of the cerebellum. It is situated lateral/posterior to the internal auditory meatus. [1]
The subarcuate fossa is situated posteriorly [3]: 568 and superiorly [3]: 737 between the opening of the vestibular aqueduct and opening of internal auditory meatus. [3]: 568, 737
The surface of the subarcuate fossa is lined with dura mater and lodges the endolymphatic sac and duct, as well as a minute artery and vein; [3]: 568 some veins from the mucosa of mastoid antrum enter the cranial cavity at the subarcuate fossa to drain at the superior petrosal sinus - they are remnants of larger subarcuate veins of childhood and represent a possible route of intracranial infectious spread. [3]: 749
It is extensive in most primates (except for great apes) and nearly all mammals. In these animals, the subarcuate fossa houses a part of the cerebellum, the petrosal lobe. [4] [5]
{{
cite book}}
: CS1 maint: location missing publisher (
link)