| squamous part of temporal bone |
The broad, flat, thin (scale-like) anterior and superior portion of the temporal bone forming part of the lateral wall of the cranial vault.
Synonym: pars squamosa ossis temporalis, squama temporalis, temporal squama.
(05 Mar 2000) |
| nasal border of frontal bone |
The border of the frontal bone that articulates with the nasal bones.
Synonym: margo nasalis ossis frontalis, nasal margin of frontal bone.
(05 Mar 2000) |
| styloid process of temporal bone |
A slender pointed projection running downward and slightly forward from the base of the inferior surface of the petrous portion of the temporal bone where it joins the tympanic portion; it gives attachment to the styloglossus, stylohyoid, and stylopharyngeus muscles and the stylohyoid and stylomandibular ligaments.
Synonym: processus styloideus ossis temporalis.
(05 Mar 2000) |
| occipital border of parietal bone |
The posterior margin of the parietal bone that articulates with the occipital squama.
Synonym: margo occipitalis ossis parietalis.
(05 Mar 2000) |
| temporal bone |
<anatomy> A large irregular bone situated in the base and side of the skull, consisting of three parts, squamous, tympanic and petrous.
The bones are distinct at birth; the petrous part contains the vestibulocochlear organ; the bone articulates with the sphenoid, parietal, occipital, and zygomatic bones, and by a synovial joint with the mandible.
Synonym: os temporale.
(05 Mar 2000) |
| tympanic part of temporal bone |
The bony plate forming the greater part of the anterior wall of the bony part of the external acoustic meatus and the tympanic cavity and the posterior wall of the mandibular fossa.
Synonym: pars tympanica ossis temporalis, tympanic part of temporal bone.
(05 Mar 2000) |
| tympanic plate of temporal bone |
The bony plate forming the greater part of the anterior wall of the bony part of the external acoustic meatus and the tympanic cavity and the posterior wall of the mandibular fossa.
Synonym: pars tympanica ossis temporalis, tympanic part of temporal bone.
(05 Mar 2000) |
| jugular notch of temporal bone |
The notch in the temporal bone which forms one boundary of the jugular foramen.
Synonym: incisura jugularis ossis temporalis.
(05 Mar 2000) |
| zygomatic border of greater wing of sphenoid bone |
The border of the greater wing of the sphenoid that articulates with the zygomatic bone.
Synonym: margo zygomaticus alae majoris, zygomatic margin of greater wing of sphenoid bone.
(05 Mar 2000) |
| zygomatic process of temporal bone |
The anterior process of the temporal bone that articulates with the temporal process of the zygomatic bone to form the zygomatic arch.
Synonym: processus zygomaticus ossis temporalis.
(05 Mar 2000) |
| lambdoid border of occipital bone |
<anatomy> The margin of the occipital squama that articulates with the parietal bones in the lambdoid suture.
Synonym: margo lambdoideus squamae occipitalis, lambdoid margin of occipital bone.
(05 Mar 2000) |
| frontal border of parietal bone |
The margin of the parietal bone that articulates with the frontal bone.
Synonym: margo frontalis ossis parietalis.
(05 Mar 2000) |
| frontal border of sphenoid bone |
The margin of the greater wing of the sphenoid bon that articulates with the frontal bone.
Synonym: margo frontalis ossis sphenoidalis.
(05 Mar 2000) |
| petrous |
1. Like stone; hard; stony; rocky; as, the petrous part of the temporal bone.
2. <anatomy> Same as Petrosal.
Origin: L. Petrosus, fr. Petra a stone.
Source: Websters Dictionary
(01 Mar 1998) |
| petrous ganglion |
<anatomy, nerve> The lower of two sensory ganglion's on the glossopharyngeal nerve as it traverses the jugular foramen.
Synonym: ganglion inferius nervi glossopharyngei, Andersch's ganglion, extracranial ganglia, ganglion extracraniale, petrosal ganglion, petrous ganglion.
(05 Mar 2000) |
