| fonticulus posterolateralis | Official alternate term for mastoid fontanel. (05 Mar 2000) |
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| nucleus ventralis posterolateralis thalami | Lateral part of the ventrobasal nuclear complex. See: ventral posterior nucleus of thalamus. Synonym: nucleus ventralis posterolateralis thalami. (05 Mar 2000) |
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| fissura posterolateralis | The earliest fissure to appear in the development of the cerebellum; it separates the flocculus and nodulus from the uvula and tonsil. Synonym: fissura posterolateralis, prenodular fissure. (05 Mar 2000) |
| fonticulus | Synonym: fontanel. See: cranial fontanels. Origin: L. Dim. Of fons (font-), fountain, spring (05 Mar 2000) |
| fonticulus anterior | A diamond-shaped membranous interval at the junction of the coronal, sagittal, and metopic sutures where the frontal angles of the parietal bones meet the two ununited halves of the frontal bone. Synonym: fonticulus anterior, bregmatic fontanel, frontal fontanel. (05 Mar 2000) |
| fonticulus anterolateralis | An irregularly shaped interval on either side where the frontal, sphenoidal angle of the parietal, squamous portion of the temporal and greater wing of the sphenoid meet. Synonym: fonticulus sphenoidalis, fonticulus anterolateralis, anterolateral fontanel. (05 Mar 2000) |
| fonticulus mastoideus | The membranous interval on either side between the mastoid angle of the parietal bone, the petrous portion of the temporal bone, and the occipital bone. Synonym: fonticulus mastoideus, fonticulus posterolateralis, Casser's fontanel, posterolateral fontanel. (05 Mar 2000) |
| fonticulus posterior | A triangular interval at the union of the lambdoid and sagittal sutures where the occipital angles of the parietal bones meet the occipital. Synonym: fonticulus posterior, occipital fontanel. (05 Mar 2000) |
| fonticulus sphenoidalis | An irregularly shaped interval on either side where the frontal, sphenoidal angle of the parietal, squamous portion of the temporal and greater wing of the sphenoid meet. Synonym: fonticulus sphenoidalis, fonticulus anterolateralis, anterolateral fontanel. (05 Mar 2000) |