<prompt> Nervus spinosus is a branch of which of the following?Maxillary nerveMandibular nerveFacial nerveNerve of pterygoid canal  <response>: The meningeal branch or nervus spinosum enters the skull through the foramen spinosum with middle meningeal aery and supplies the dura mater of middle cranial fossa. NOTES: The branches of mandibular nerve- a.Meningeal branch or nervous spinosum b.Nerve to medial pterygoid From anterior trunk; a.Sensory branch,the buccal nerve b.Motor branch,the masseteric and deep temporal nerves and the nerve to lateral pterygoid From posterior trunk; a.Auriculotemporal nerve b.Lingual nerve c.Inferior alveolar nerve Ref BDC volume 3,sixth edititon pg 125 