The anterior relation of the middle ear cavity is________?

Lateral part of middle cranial fossa and posterior cranial fossa are divided by ________?

Structures passing through the sigmoid (mandibular ) notch are________?

Ascending palatine artery is a branch of________?

Sensory nerve fibers to posterior one third of the tongue is supplied by ________?

Which is the only medial branch of the external carotid artery?