Pharmacology, Trademark.
a brand of tretinoin, used especially to reduce wrinkles caused by overexposure to the sun.

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  • Retinaculum

    noun, plural retinacula [ret-n-ak-yuh-luh] /ˌrɛt nˈæk yə lə/ (Show IPA) 1. Anatomy, Zoology. any of various small structures that hook, clasp, or bind other structures to move them or hold them in place. 2. Entomology. a bristle on the butterfly forewing that clasps to the frenulum of the hindwing. noun (pl) -la (-lə) 1. connection […]

  • Retinaculum of fibular muscles

    retinaculum of fibular muscles n. See retinaculum of peroneal muscles.

  • Retinaculum of flexor muscles

    retinaculum of flexor muscles n. A wide band that passes from the medial malleolus to the calcaneus and to the plantar surface as far as the navicular bone and holds in place the tendons of the posterior tibial muscle, the long flexor muscle of the toes, and the long flexor muscle of the big toe.

  • Retinaculum of peroneal muscles

    retinaculum of peroneal muscles n. Any of the superior and inferior fibrous bands retaining the tendons of the long and short peroneal muscles in position as they cross the lateral side of the ankle. Also called retinaculum of fibular muscles.

  • Retinaculum of skin

    retinaculum of skin n. Any of the numerous small fibrous strands that attach the dermis to the underlying superficial fascia and are particularly well developed over the breast.

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