Skulls and Cross Bones

Cranial bones "PEST OF 6":
Parietal
Ethmoid
Sphenoid
Temporal
Occipital
Frontal
6 to remember


Orbit: Bones of the Medial Wall
"My Little Eye Sits in the orbit."
Maxilla (frontal process)
Lacrimal
Ethmoid
Sphenoid (body)


Superior Orbital Fissure ( structures passing through):
Lazy French Tarts Lie Naked In Anticipation Of Sex
Lacrimal n.
Frontal n.
Trochlear n.
Lateral n.
Nasociliary n.
Internal n.
Abducens n.
Opthalmic v.
Sympathetic n.


Foramina of the Base of the Skull:
3 foramina of the anterior part (teeth and palate)


  • Incisive fossa
  • Greater palatine fossa
  • Lesser palatine fossa
3 SMALL foramina of the middle part (Small Sized Opening)
  • Sternomastoid foramen
  • Foramen Spinosum
  • Foramen ovale
3 LARGE foramina of the middle part (Laceration of artery and vein)
  • Foramen lacerum
  • Carotid canal
  • Jugular foramen
3 foramina related to the occipital condyles
  • Anterior condylar foramen
  • Posterior condylar foramen
  • Foramen Magnum
3 fissures of the base of the skull (one related to the eye, ear, mouth)
  • Inferior orbital fissure
  • Pterygo-maxillary fissure
  • Squamo-tympanic fissure
Foramen Ovale Contents
OVALE

  • Otic ganglion (just inferior)
  • V3 cranial nerve
  • Accessory meningeal artery
  • Lesser petrosal nerve
  • Emissary veins
Trigeminal Nerves ( where branches exit the skull) 
Standing Room Only
  • Superior orbital fissure is V1
  • foramen Rotundum is V2
  • foramen Ovale is V3
Foramen spinosum (location on base of skull):
   Foramen spinosum is adjacent to the spine of sphenoid

Scalp Layers:
SCALP (from superficial to deep)
Skin
Connective tissue
Aponeurosis
Loose areolar tissue
Pericranium

Scalp Nerve Supply:
GLASS
Greater occipital/ Greater auricular
Lesser occipital
Auriculotemporal
Supratrochlear
Supraorbital



Cranial Sutures
Learn Cranial Sutures
  • Lambdoid
  • Coronal
  • Sagittal
Facial Bones
Zoro Likes Punching MVery Nose In

  • Zygomatic
  • Lacrimal
  • Palatine
  • Maxillary
  • Vomer
  • Nasal
  • Inferior concha
Mastoid bone (muscle insertion):
Log Suddenly Struck my Mastoid
  • Longissimus capitis
  • Splenius capitis
  • Sternomastoid

Vertebrae: number of facets a typical thoracic has:
Typical Thoracic has Ten Facets


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