SEM 1 : Cranial cavity

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1. what structures run through foramen spinosum

  • maxillary branch of trigeminal n.
  • middle meningeal artery, and meningeal branch of mandibular branch of trigeminal n.
  • trochlear n., trigeminal n. and middle meningeal artery
  • middle meningeal artery and middle meningeal vein
  • middle meningeal artery, middle meningeal vein and meningeal branch of mandibular branch of trigeminal n.
  • mandibular branch of trigeminal n.
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2. what is the function of the hypoglossal n.

  • sensory: tongue
  • motor: trapezium and SCM
  • sensory: post. neck
  • motor: tongue
  • both: ant. neck sensation, trapezium and SCM
  • motor: strap muscles

3. what foramen are in the posterior cranium

  • sphenoid: foramen rotundum, foramen ovale, foramen magnum, temporal: jugular foramen
  • occipital: foramen magnum, jugular foramen
  • occipital: jugular foramen
  • temporal: foramen magnum, jugular foramen
  • temporal: jugular foramen
  • sphenoid: foramen rotundum, foramen ovale, foramen magnum, occipital: jugular foramen

4. what is a gyrus

  • horizontal fold of arachnoid that separates the cerebral hemispheres
  • crevice or trench on brain surface
  • ridge on brain surface
  • longitudinal fold of dura mata that separates the cerebral hemispheres
  • depression in sphenoid bone that houses the pituitary gland
  • horizontal fold of Pia that separates the cerebral hemispheres

5. what is the function of the oculomotor

  • sensory: sight
  • motor: pupil
  • motor: pupil and eye muscles (directional)
  • both: sight and eye muscles (directional)
  • motor: eye muscles (directional)
  • both: sight and pupil
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