Cranium And Scalp Flashcards
Viscerocranium
Facial skeleton derived from 1st 2 pharyngeal arches
- Mandible
- Maxilla
- Zygomatic
- Nasal
- Lacrimal
- Sphenoid - pterygoid process
- Temporal - tympanic part (styloid)
- Palatine
- Vomer
- Ethmoid and inferior nasal concha
Neurocranium
Houses brain, derived from paraxial mesoderm
- Frontal
- Temporal
- Occipital
- Parietal
- Sphenoid
- Ethmoid - cribiform plate
Anterior cranial fossa
Frontal lobe cerebrum
Middle cranial fossa
Temporal lobe cerebrum
Posterior cranial fossa
- Cerebellum
- Pons
- Medulla oblongata
Paranasal sinuses
- Frontal
- Maxillary
- Sphenoidal
- Ethmoid air cells
Sagittal cranial suture
Along sagittal plane between parietal bones
Coronal cranial suture
Between frontal and parietal bones
Lamboidal cranial sutures
Between occipital and parietal bones
Metopic (frontal) cranial suture
Between growth centers in frontal bone
Squamosal cranial suture
Squamous part of temporal and parietal bones
Occipitomastoidal cranial suture
Between occipital and petrous part temporal bones
Sphenoparietal cranial suture
Between sphenoid and parietal bones
Bregma
Cranial landmark where sagittal and coronal sutures meet
Lambda
Cranial landmark where sagittal and lamboidal sutures meet