| petrous part of internal carotid artery |
<anatomy, artery> The part of the internal carotid artery in the carotid canal; its branches are carotidotympanic arteries and the artery of the pterygoid canal.
Synonym: pars petrosa arteriae carotidis internae, petrous bone.
(05 Mar 2000) |
| petrous part of temporal bone |
The part of the temporal bone that contains the structures of the inner ear and the second part of the internal carotid artery; in antenatal life it appears as a separate ossification centre.
Synonym: pars petrosa ossis temporalis, periotic bone, petrosal bone, petrous pyramid.
(05 Mar 2000) |
| petrous pyramid |
The part of the temporal bone that contains the structures of the inner ear and the second part of the internal carotid artery; in antenatal life it appears as a separate ossification centre.
Synonym: pars petrosa ossis temporalis, periotic bone, petrosal bone, petrous pyramid.
(05 Mar 2000) |
| crest of petrous part of temporal bone |
The margin that separates the anterior and posterior surfaces of the petrous part of the temporal bone and the lateral part of the middle cranial fossa from the posterior cranial fossa.
Synonym: margo superior partis petrosae ossis temporalis, crest of petrous part of temporal bone.
(05 Mar 2000) |
| inferior surface of petrous part of temporal bone |
Inferior surface of petrous part of the temporal bone; the portion of the petrous part of the temporal bone that contributes to the external base of the skull.
Synonym: facies inferior partis petrosae ossis temporalis.
(05 Mar 2000) |
| posterior border of eyelids |
The posterior edge of the free margin of each eyelid, which is also the border of the conjunctiva.
(05 Mar 2000) |
| posterior border of fibula |
The ridge on the posterior aspect of the fibula extending from the head to the medial aspect of the peroneal groove.
Synonym: margo posterior fibulae.
(05 Mar 2000) |
| posterior border of radius |
The ridge on the radius that extends from the tuberosity to the tubercle on the posterior aspect of the distal extremity.
Synonym: margo posterior radii.
(05 Mar 2000) |
| posterior border of testis |
The rounded posterior portion of the testis into which the vessels enter.
Synonym: margo posterior testis.
(05 Mar 2000) |
| posterior border of ulna |
The sinuous palpable subcutaneous ridge on the posterior aspect of the ulna that extends from near the olecranon to the styloid process, demarcating "anterior" (flexor) from "posterior" (extensor) compartments of forearm.
Synonym: margo posterior ulnae.
(05 Mar 2000) |
| alveolar border |
The most occlusal edge of the alveolar bone.
Synonym: alveolar process.
(05 Mar 2000) |
| anterior border |
The ventral or most forward margin of a structure.
Synonym: anterior margin, ventral border.
(05 Mar 2000) |
| anterior border of eyelids |
The anterior edge of the free margin of each eyelid, along close to which the eyelashes are embedded.
Synonym: limbus palpebrales anteriores.
(05 Mar 2000) |
| anterior border of fibula |
A ridge on the shaft of the fibula to which is attached the anterior intermuscular septum of the leg.
Synonym: margo anterior fibulae.
(05 Mar 2000) |
| anterior border of lung |
The thin anteromedial or sternal edge of the lung which overlaps the pericardial sac anteriorly and forms the boundary between the mediastinal and costal surfaces.
Synonym: margo anterior pulmonis.
(05 Mar 2000) |
