| vallecula sylvii | The deep depression of the basal surface of the forebrain that corresponds in position to the anterior perforated substance. Bounded medially by the optic tract and rostrally by the orbital surface of the frontal lobe, it extends laterally around the overhanging pole of the temporal lobe into the Sylvian fissure (sulcus lateralis). Synonym: fossa lateralis cerebri, fossa of Sylvius, lateral fossa of brain, vallecula sylvii. (05 Mar 2000) |
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| aqueductus sylvii | An ependymal-lined canal in the mesencephalon about 20 mm long, connecting the third to the fourth ventricle. Synonym: aqueductus cerebri, aqueduct of cerebrum, aqueductus sylvii, iter a tertio ad quartum ventriculum, sylvian aqueduct. (05 Mar 2000) |
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| caro quadrata sylvii | <anatomy, muscle> Origin, by two heads from the lateral and medial borders of the inferior surface of the calcaneus; insertion, tendons of flexor digitorum longus; action, assists long flexor; nerve supply, lateral plantar. Synonym: musculus flexor accessorius, musculus quadratus plantae, accessory flexor muscle of foot, caro quadrata sylvii, musculus pronator pedis, plantar quadrate muscle, quadrate muscle of sole. (05 Mar 2000) |
| os sylvii | A knob at the tip of the long limb of the incus which articulates with the stapes. Synonym: processus lenticularis incudis, lenticular apophysis, lenticular bone, orbicular bone, orbicular process, orbiculare, os orbiculare, os sylvii. (05 Mar 2000) |
| vallecula | Origin: NL, dim. Fr. L. Vallis, valles, a valley. 1. <anatomy> A groove; a fossa; as, the vallecula, or fossa, which separates the hemispheres of the cerebellum. 2. <botany> One of the grooves, or hollows, between the ribs of the fruit of umbelliferous plants. Source: Websters Dictionary (01 Mar 1998) |
| vallecula cerebelli | A deep hollow on the inferior surface of the cerebellum, between the hemispheres, containing the medulla oblongata and the falx cerebelli. Synonym: vallis. (05 Mar 2000) |
| vallecula epiglottica | A depression immediately posterior to the root of the tongue between the median and lateral glossoepiglottic folds on either side. Synonym: vallecula epiglottica. (05 Mar 2000) |
| vallecula unguis | The cutaneous furrow in which the lateral border of the nail is situated. Synonym: groove of nail matrix, vallecula unguis. (05 Mar 2000) |
| epiglottic vallecula | A depression immediately posterior to the root of the tongue between the median and lateral glossoepiglottic folds on either side. Synonym: vallecula epiglottica. (05 Mar 2000) |
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