Last update:

Skull Cranial Floor Bone Markings – Part 2

Temporal bone:

  1. image descriptionSquamous part or temporal squama (pars squamosa; squama temporalis).
Cranial Floor
Squamous part - Cranial Floor
Squamous part - Cranial Floor - Colored
1
2
3
  1. image descriptionPetrous part (pars petrosa temporalis).
Cranial Floor
Petrous part - Cranial Floor - Colored
Petrous part - Cranial Floor - Colored
1
2
3
  1. image descriptionInternal acoustic meatus or auditory meatus (meatus acusticus internus temporalis).
Cranial Floor
Internal accoustic meatus - Cranial Floor
Internal accoustic meatus - Cranial Floor - Colored
1
2
3

Occipital bone:

  1. image descriptionForamen magnum  (foramen magnum occipitalis).
Cranial Floor
Foramen magnum - Cranial Floor
Foramen magnum - Cranial Floor - Colored
1
2
3
  1. image descriptionHypoglossal canal (canalis nervi hypoglossi temporalis).
Cranial Floor
Hypoglossal canal - Cranial Floor
Hypoglossal canal - Cranial Floor - Colored
1
2
3
  1. image descriptionCruciform eminence (eminentia cruciformis temporalis).
Cranial Floor
Cruciform eminence - Cranial Floor
Cruciform eminence - Cranial Floor - Colored
1
2
3
  1. image descriptionInternal occipital protuberance (protuberantia occipitalis interna).
Cranial Floor
Internal occipital protuberance - Cranial Floor
Internal occipital protuberance - Cranial Floor - Colored
1
2
3
  1. image descriptionInternal occipital crest (crista occipitalis interna).
Cranial Floor
Internal occipital crest - Cranial Floor
Internal occipital crest - Cranial Floor - Colored
1
2
3
  1. image descriptionGroove for the transverse sinus (sulcus sinus transversi occipitalis).
Cranial Floor
Groove for transverse sinus - Cranial Floor
Groove for transverse sinus - Cranial Floor - Colored
1
2
3

Between bones:

  1. image descriptionForamen lacerum (foramen lacerum).
Cranial Floor
Foramen lacerum - Cranial Floor - Colored
Foramen lacerum - Cranial Floor - Colored
1
2
3
  1. image descriptionJugular foramen (foramen jugulare).
Cranial Floor
Jugular foramen - Cranial Floor
Jugular foramen - Cranial Floor - Colored
1
2
3

Multiple bones involved:

  1. image descriptionGroove for sigmoid sinus (sulcus sinus sigmoidei).
Cranial Floor
Groove for sigmoid sinus - Cranial Floor
Groove for sigmoid sinus - Cranial Floor - Colored
1
2
3
  1. image descriptionAnterior cranial fossa (fossa cranii anterior).
Cranial Floor
Anterior cranial fossa - Cranial Floor
Anterior cranial fossa - Cranial Floor - Colored
1
2
3
  1. image descriptionMiddle cranial fossa (fossa cranii media).
Cranial Floor
Middle cranial fossa - Cranial Floor
Middle cranial fossa - Cranial Floor - Colored
1
2
3
  1. image descriptionPosterior cranial fossa (fossa cranii posterior).
Cranial Floor
Posterior cranial fossa - Cranial Floor
Posterior cranial fossa - Cranial Floor - Colored
1
2
3

Test yourself:

Part[1]: [image descriptionShow/image descriptionHide]

Cranial Floor - Test yourself - Part1
Cranial Floor - Test yourself - Part1 - Answers
1
2

Part[2]: [image descriptionShow/image descriptionHide]

Cranial Floor - Test yourself - Part2
Cranial Floor - Test yourself - Part2 - Answers
1
2