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HOME » HUMAN ANATOMY » SKELETAL SYSTEM » SKULL » TEMPORAL BONE » TEMPORAL BONE - ANATOMICAL FEATURES
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TEMPORAL BONE - ANATOMICAL FEATURES

  • squamous part = squama = squama temporalis
  • outer surface
  • vertical groove for middle temporal artery
  • temporal line = supramastoid crest
  • zygomatic process
  • superior border
  • inferior border
  • lateral surface
  • medial surface
  • anterior end
  • posterior end
  • posterior root of zygomatic process
  • suprameatal crest
  • suprameatal spine
  • anterior root of zygomatic process
  • articular tubercle
  • projection for temporomandibular ligament
  • anterior part of mandibular fossa = glenoid fossa
  • petrotympanic fissure = Glaserian fissure
  • conical eminence
  • suprameatal triangle = Macewen’s triangle = mastoid fossa
  • internal surface
  • depressions for convolutions of temporal lobe of brain
  • grooves for branches of middle meningeal vessels
  • antero-inferior border
  • superior border
  • parietal notch (with mastoid part)
  • mastoid part = pars mastoidea
  • outer surface
  • mastoid foramen
  • mastoid process
  • mastoid notch = digastric fossa
  • occipital groove
  • inner surface
  • sigmoid sulcus
  • opening of mastoid foramen
  • groove for transverse sinus
  • superior border
  • posterior border
  • contents
  • mastoid cells
  • tympanic antrum
  • tegmen tympani
  • attic = epitympanic recess
  • petrous part = pyramid = pars petrosa = pars pyramis     

  • base
  • apex

  • anterior orifice of carotid canal = internal orifice of carotid canal
  • anterior surface
  • depressions for convolutions of temporal lobe of brain
  • arcuate eminence = eminentia arcuata
  • tegmen tympani
  • groove(s) for greater superficial petrosal nerve and petrosal branch of middle meningeal artery
  • hiatus of facial canal
  • opening for lesser superficial petrosal nerve
  • carotid canal
  • trigeminal impression for semilunar ganglion
  • posterior surface
  • internal acoustic meatus
  • aquæductus vestibuli
  • irregular depression (= subarcuate fossa in infant)     
  • vertical plate at lateral end of canal from internal acoustic meatus 
  • crista falciformis
  • area facialis
  • opening of facial canal = aquaeductus Fallopii   
  • ridge dividing area facialis from area cribrosa
  • area cribrosa superior
  • openings for nerves to utricle and superior and lateral semicircular ducts
  • anterior inferior cribriform area
  • tractus spiralis foraminosus
  • canalis centralis cochleae 
  • ridge dividing tractus spiralis foraminosus from area cribrosa media
  • area cribrosa media
  • openings for nerves to saccule
  • foramen singulare
  • inferior surface 
_
  • rough surface for attachment of levator veli palatini, cartilaginous part of auditory tube, and basilar part of occipital bone
  • carotid canal
  • bony ridge dividing carotid canal from jugular fossa
  • inferior tympanic canaliculus
  • triangular depression
  • aquæductus cochleæ
  • jugular fossa
  • mastoid canaliculus
  • vaginal process
  • lateral lamina
  • medial lamina
  • styloid process
  • jugular surface
  • stylomastoid foramen
  • tympanomastoid fissure
  • superior angle
  • groove for superior petrosal sinus
  • notch for trigeminal nerve
  • posterior angle
_
  • sulcus for inferior petrosal sinus
  • jugular fossa
  • eminence
  • anterior angle     
_
  • lateral part
  • petrosquamous suture
  • medial part = free part
  • contents
  • tympanic cavity
  • auditory ossicles
  • internal ear
  • tympanic part = pars tympanica
  • postero-superior surface
  • tympanic sulcus
  • antero-inferior surface
  • posterior part of mandibular fossa = glenoid fossa
  • lateral border = external auditory process
  • upper border
  • lower border
  • medial part
  • lateral part = vaginal process
  • foramen of Huschke
  • styloid part = styloid process = processus styloideus
  • proximal part = tympanohyal
  • distal part = stylohyal
  • junction of squamous and tympanic parts
  • external auditory meatus = external acoustic meatus
  • junction of squamous and petrous parts
  • semicanalis musculotubarii tensoris tympani
  • septum canalis musculotubarii (processus cochleariformis)
  • semicanalis tubae auditivae
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