| commissure of vestibular bulb | A narrow median band that connects the two masses of erectile tissue (the bulbus vestibuli) on either side of the vaginal orifice. Synonym: pars intermedia commissura bulborum, commissura bulborum, intermediate part of vestibular bulb, pars intermedia bulborum. (05 Mar 2000) |
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| white commissure | A narrow band of white substance bordering on the anterior median fissure of the spinal cord in front of the anterior gray commissure, and consisting of nerve fibres crossing over from one half of the spinal cord to the other. Synonym: commissura alba, anterior white commissure, commissura ventralis alba, ventral white column. (05 Mar 2000) |
| posterior cerebral commissure | A thin band of white matter, crossing from side to side beneath the habenula of the pineal body and over the aditus ad aqueductum cerebri; it is largely composed of fibres interconnecting the left and right pretectal region and related cell groups of the midbrain; dorsally, it marks the junction of the diencephalon and mesencephalon. Synonym: posterior cerebral commissure. (05 Mar 2000) |
| habenular commissure | The connection between the right and left habenular nuclei; the decussation of fibres of the two striae medullares, forming the dorsal portion of the peduncle of the pineal body. Synonym: commissure of habenulae, habenular commissure. (05 Mar 2000) |
| hippocampal commissure | The triangular subcallosal plate of commissural fibres resulting from the converging of the right and left fornix bundles which exchange numerous fibres and which curve back in the contralateral fornix to end in the hippocampus of the opposite side. Synonym: commissura hippocampi, commissure of fornix, delta fornicis, hippocampal commissure, psalterium, transverse fornix. (05 Mar 2000) |
| lateral palpebral commissure | The union of the upper and lower eyelids adjacent to the lateral angle. Synonym: commissura palpebrarum lateralis. (05 Mar 2000) |
| anterior labial arteries | The anterior labial branches, branches of the external pudendal artery to the labium majus. Synonym: rami labiales anteriores arteriae pudendae externae, arteriae labiales anteriores. (05 Mar 2000) |
| anterior labial nerves | Branches of the ilioinguinal nerve distributed to the labia majora, mons pubis and adjacent thigh. Synonym: nervi labiales anteriores. (05 Mar 2000) |
| anterior labial veins | Tributaries of the femoral or external pudendal veins draining the mons pubis and anterior labia majora. Synonym: venae labiales anteriores. (05 Mar 2000) |
| posterior labial arteries | The posterior labial branches, branches of the perineal artery to the labium majus. Synonym: rami labiales posteriores arteriae pudendae internae. (05 Mar 2000) |
| posterior labial nerves | Terminal branches of the superficial perineal nerve, supplying the skin of the posterior portion of the labia and the vestibule of the vagina, corresponding to the posterior scrotal nerves in the male. Synonym: nervi labiales posteriores. (05 Mar 2000) |
| posterior labial veins | They pass posteriorly from the labia majora and minora to the internal pudendal veins. Synonym: venae labiales posteriores. (05 Mar 2000) |
| primary labial groove | A furrow between the developing lip and gum. Synonym: labiodental sulcus, lip sulcus, primary labial groove. (05 Mar 2000) |
| superior labial artery | <anatomy, artery> Origin, facial; distribution, structures of upper lip and, by a septal branch, the anterior and lower part of the nasal septum; anastomoses, the artery of the opposite side and the sphenopalatine. Synonym: arteria labialis superior. (05 Mar 2000) |
| superior labial branches of infraorbital nerve | <anatomy, nerve> Branches of infraorbital nerve to upper lip. Synonym: rami labiales superiores nervi infraorbitalis. (05 Mar 2000) |