Squamous part of temporal bone

The Squamous part of temporal bone is a part of the Temporal bone in the human skull. It is one of the four major parts of the temporal bone, the others being the mastoid part, the petrous part, and the tympanic part.

Etymology

The term "squamous" comes from the Latin word "squama", meaning "scale", which refers to the thin, flat shape of this part of the bone.

Anatomy

The squamous part of the temporal bone is located at the sides and base of the skull, and the upper and anterior surfaces of the bone. It is thin, translucent, and scale-like in structure. It is bounded by four sutures: the sphenosquamosal suture, the squamosomastoid suture, the parietomastoid suture, and the occipitomastoid suture.

Clinical significance

Due to its location, the squamous part of the temporal bone can be involved in various medical conditions and procedures. For example, it can be affected by temporal bone fractures, which can lead to complications such as facial nerve paralysis, hearing loss, and cerebrospinal fluid leak.

Related terms

• Temporal bone: The larger bone in the skull that houses the squamous part.
• Sphenosquamosal suture: The suture that bounds the squamous part of the temporal bone.
• Squamosomastoid suture: Another suture that bounds the squamous part of the temporal bone.
• Parietomastoid suture: Another suture that bounds the squamous part of the temporal bone.
• Occipitomastoid suture: Another suture that bounds the squamous part of the temporal bone.

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  Squamous part of temporal bone, lateral view
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  Squamous part of temporal bone, medial view
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  Squamous part of temporal bone
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  Squamous part of temporal bone
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  Squamous part of temporal bone