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Skull Cranial Floor Bone Markings – Part 1

Ethmoid bone:

  1. image descriptionCribriform plate (lamina cribrosa ethmoidalis).
Cranial Floor
Cribriform plate - Cranial Floor
Cribriform plate - Cranial Floor - Colored
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  1. image descriptionCrista galli (crista galli ethmoidalis).
Cranial Floor
Crista galli - Cranial Floor
Crista galli - Cranial Floor - Colored
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Frontal bone:

  1. image descriptionOrbital part (pars orbitalis frontalis).
Cranial Floor
Orbital part - Cranial Floor
Orbital part - Cranial Floor - Colored
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  1. image descriptionOrbital surface or plate (facies orbitalis frontalis).
Cranial Floor
Orbital surface - Cranial Floor
Orbital surface - Cranial Floor - Colored
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Sphenoid bone:

  1. image descriptionBody (corpus sphenoidale).
Cranial Floor
Body - Cranial Floor
Anterior clinoid process - Cranial Floor
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  1. image descriptionLesser wing (ala minor sphenoidale).
Cranial Floor
Lesser wing - Cranial Floor
Lesser wing - Cranial Floor - Colored
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  1. image descriptionOptic canal (canalis opticus sphenoidale).
Cranial Floor
Optic canal - Cranial Floor
Optic canal - Cranial Floor - Colored
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  1. image descriptionChiasmatic groove or prechiasmatic sulcus (sulcus chiasmaticus or sulcus prechiasmaticus sphenoidale).
Cranial Floor
Chiasmatic groove - Cranial Floor
Chiasmatic groove - Cranial Floor - Colored
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  1. image descriptionAnterior clinoid process (anterior clinoid process sphenoidale).
Cranial Floor
Anterior clinoid process - Cranial Floor
Anterior clinoid process - Cranial Floor - Colored
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  1. image descriptionGreater wing (ala major sphenoidale).
Cranial Floor
Greater wing - Cranial Floor
Greater wing - Cranial Floor - Colored
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  1. image descriptionForamen ovale (foramen ovale sphenoidale).
Cranial Floor
Foramen ovale - Cranial Floor
Foramen ovale - Cranial Floor - Colored
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  1. image descriptionForamen spinosum (foramen spinosum sphenoidale).
Cranial Floor
Foramen spinosum - Cranial Floor
Foramen spinosum - Cranial Floor - Colored
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  1. image descriptionForamen rotundum (foramen rotundum sphenoidale).
Cranial Floor
Foramen rotundum - Cranial Floor
Foramen rotundum - Cranial Floor - Colored
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  1. image descriptionSella Turcica (sella turcica sphenoidale).
Cranial Floor
Sella turcica - Cranial Floor
Sella turcica - Cranial Floor - Colored
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  1. image descriptionHypophyseal fossa (fossa hypophysialis sphenoidale).
Cranial Floor
Hypophyseal fossa - Cranial Floor
Hypophyseal fossa - Cranial Floor - Colored
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  1. image descriptionTuberculum sellae (tuberculum sellae sphenoidale).
Cranial Floor
Tuberculum sellae - Cranial Floor
Tuberculum sellae - Cranial Floor - Colored
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  1. image descriptionDorsum sallae (dorsum sallae sphenoidale).
Cranial Floor
Dorsum sallae - Cranial Floor
Dorsum sallae - Cranial Floor - Colored
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  1. image descriptionPosterior clinoid process (processus clinoideus posterior sphenoidale).
Cranial Floor
Posterior clinoid process - Cranial Floor
Posterior clinoid process - Cranial Floor - Colored
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Test yourself:

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

Cranial Floor - Test yourself - Part1
Cranial Floor - Test yourself - Part1 - Answers
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Part[2]: [image descriptionShow/image descriptionHide]

Cranial Floor - Test yourself - Part2
Cranial Floor - Test yourself - Part2 - Answers
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