释义 |
pe·dun·cle \ˈpēˌdəŋkəl, ̷ ̷ˈ ̷ ̷ ̷ ̷\ noun (-s) Etymology: New Latin pedunculus, diminutive of Latin ped-, pes 1. a. : a stalk that bears a flower or a flower cluster — see pedicel 1b b. : the stalk supporting the fructification in some thallophytes 2. : a narrow part by which some larger part or the whole body of an organism is attached (as the footstalk of a brachiopod or the petiole joining the abdomen of an ant or wasp to the thorax) : stem, stalk, pedicel, pedicle — see barnacle illustration 3. : a band of white matter joining different parts of the brain < the peduncles of the pineal body pass from its base to the pillars of the fornix > — see cerebellar peduncle, cerebral peduncle 4. : a narrow stalk by which a tumor or polyp is attached to an organ |