Temporal bone

Each consists of five parts:

• Squama temporalis
• Mastoid portion
• Petrous portion
• Tympanic part
• Styloid process (temporal)

The structure of the squama is like that of the other cranial bones: the mastoid portion is spongy, and the petrous portion dense and hard.

• 
  Axial CT scan showing oblique left temporal bone fracture ^[1].
• 
  Hemotympanum (blood in the middle ear) causes a bluish discoloration of the drum ^[2].
• 
  Ruptured tympanic membrane and blood in the ear canal (surgeon’s view)^[3].
• 
  Battle’s Sign. Bluish discoloration of the post-auricular region, associated with temporal bone fractures ^[4].
• 
  Cerebrospinal fluid (CSF) otorrhea ^[5].
• 
  Oblique left temporal bone fracture line crossing the mastoid process, into Henle’s spine and the external auditory canal (surgeon’s view)^[6].

• 
  The skull from the front.
• 
  Sphenoid bone visible center right.
• 
  Side view of the skull.
• 
  Left infratemporal fossa.
• 
  Sagittal section of skull.
• 
  Articulation of the mandible. Lateral aspect.
• 
  Base of the skull. Upper surface.

• Ossification of temporal bone
• Bone terminology
• Terms for anatomical location
• Temporal fenestrae
• Temporomandibular joint

• Template:RocheLexicon

Template:Gray’s Template:Cranium

ca:Os temporal de:Schläfenbein eo:Temporalo it:Osso temporale he:עצם הרקה la:Ossa temporalia lv:Deniņu kauls lt:Smilkinkaulis sv:Tinningben uk:Скронева кістка sl:Senčnica

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