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The term peduncle has several meanings:
- Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed in the flower
- Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
- Peduncle (arthropods), the base segments of an antenna
- Caudal peduncle, in fish, the narrow part of the body to which the tail attaches
- Cerebral peduncle, a band of neurons, resembling a stalk, which connect varied parts of the brain
- Cerebellar peduncle, one of six structures connecting the cerebellum to the brain stem
- In insect brains, the peduncle connects the lobes of the mushroom bodies to its calyx
- In stalked barnacles, one of two external divisions of the body, a stalk attached to the substrate by cement glands
- In dinoflagellates an extendable stalk used to capture prey
| disambiguation page lists articles associated with the title Peduncle.
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