A side view of the skull. Labels: O, occipital bone; T, temporal bone; Pr, parietal bone; F, frontal bone; S, sphenoid; Z, malar; Mx, maxilla; N, nasal; E, ethmoid; L, lachrymal; Md, inferior maxilla.

The Skull

A side view of the skull. Labels: O, occipital bone; T, temporal bone; Pr, parietal bone; F, frontal…

The human skull, showing the bones of the head. <em>a</em>is the large bone of the forehead known as the frontal bone; <em>b</em> is known as the parietal bone, and <em>c</em> is the temporal bone.

Skull

The human skull, showing the bones of the head. ais the large bone of the forehead known as…

A, The outer surface of the right temporal bone at birth. B, The same with squamozygomatic portion removed. Labels: a, tympanic ring; b, inner wall of tympanum; c, fenestra rotunda; d, foramen ovale; e, mastoid; f, mastoid process; g, mastosquamosal suture, with foramen for transmission of vessels; h, squamozygomatic, removed in figure B to show how its descending process forms the outer wall of the mastoid antrum.

Temporal Bone at Birth

A, The outer surface of the right temporal bone at birth. B, The same with squamozygomatic portion removed.…

Inner surface of right temporal bone at birth. am squamozygomatic; b, petrosquamosal suture and foramen (just above the end of the lead line; c, subarcuate fossa; d, aquaedutcus vestibuli; e, aquaeductus cochlea; f, internal auditory meatus; g, upper end of carotid canal.

Temporal Bone at Birth

Inner surface of right temporal bone at birth. am squamozygomatic; b, petrosquamosal suture and foramen…

The right temporal bone as seen from below.

Temporal Bone Viewed from Below

The right temporal bone as seen from below.

The anterior half of a vertical transverse section through the left temporal bone.

Anterior Half of Section Through Temporal Bone

The anterior half of a vertical transverse section through the left temporal bone.

Horizontal section through left temporal bone showing lower half of section.

Horizontal Section of Temporal Bone

Horizontal section through left temporal bone showing lower half of section.

Right temporal bone, inner aspect.

Inner Aspect of the Temporal Bone

Right temporal bone, inner aspect.

The right temporal bone as seen from the inner side.

Inner Surface of the Temporal Bone

The right temporal bone as seen from the inner side.

The mastoid and petrous portions of the temporal bone of the skull (ossa temporalia).

The Mastoid and Petrous Portions of the Temporal Bone

The mastoid and petrous portions of the temporal bone of the skull (ossa temporalia).

The right temporal bone as seen from the outer side.

Outer Surface of the Temporal Bone

The right temporal bone as seen from the outer side.

The posterior half of a vertical transverse section through the left temporal bone.

Posterior Half of Section Through Temporal Bone

The posterior half of a vertical transverse section through the left temporal bone.

The squamous portion of the temporal bone of the skull (ossa temporalia).

The Squamous Portion of the Temporal Bone

The squamous portion of the temporal bone of the skull (ossa temporalia).

Section through left temporal bone, showing inner wall of tympanic cavity.

Tympanic Cavity

Section through left temporal bone, showing inner wall of tympanic cavity.