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The squamous part of the frontal bone is the superior (approximately two thirds) portion when viewed in standard anatomical orientation. There are two surfaces of the squamous part of the frontal bone: the external surface, and the internal surface.
The squamous part marks the vertical, flat, and also the biggest part, and the main region of the forehead. The orbital part is the horizontal and second biggest region of the frontal bone. It enters into the formation of the roofs of the orbital and nasal cavities. Sometimes a third part is included as the nasal part of the frontal bone, and
It is the junction between four bones: the parietal bone. the squamous part of temporal bone. the greater wing of sphenoid bone. the frontal bone. These bones are typically joined by five cranial sutures: the sphenoparietal suture joins the sphenoid and parietal bones. the coronal suture joins the frontal bone to the sphenoid and parietal bones.
The zygomatic process of the temporal bone is a long, arched process projecting from the lower part of the squamous portion of the temporal bone. It articulates with the zygomatic bone . This process is at first directed lateralward, its two surfaces looking upward and downward; it then appears as if twisted inward upon itself, and runs forward ...
the membranous part, consisting of flat bones, which surround the brain; and; the cartilaginous part, or chondrocranium, which forms bones of the base of the skull. [3] In humans, the neurocranium is usually considered to include the following eight bones: 1 ethmoid bone; 1 frontal bone [5] 1 occipital bone; 2 parietal bones; 1 sphenoid bone; 2 ...
Medial/floor: frontal bone, parietal bone, (squamous part of) temporal bone, and sphenoid bone. The floor of the fossa features the pterion (the junction of these four bones). [1]: 357 Lateral/roof: temporal fascia. [1]: 357
The frontal crest is a ridge on the internal surface of the squamous part of the frontal bone formed by the inferior convergence of the two edges of the sagittal sulcus. The frontal crest gives attachment to the falx cerebri .
The bone of the forehead is the squamous part of the frontal bone. [4] [5] The overlying muscles are the occipitofrontalis, procerus, and corrugator supercilii muscles, all of which are controlled by the temporal branch of the facial nerve.