peduncle (redirected from pineal peduncle)

pe·dun·cle  (p-dngkl, pdngkl)

n.

1. Botany The stalk of an inflorescence or a stalk bearing a solitary flower in a one-flowered inflorescence.

2. Zoology A stalklike structure in invertebrate animals, usually serving as an attachment for a larger part or structure.

3. Anatomy A stalklike bundle of nerve fibers connecting different parts of the brain.

4. Medicine The stalklike base to which a polyp or tumor is attached.

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[New Latin pedunculus, diminutive of Latin ps, ped-, foot; see ped- in Indo-European roots.]

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pe·duncu·lar (p-dngky-lr) adj.

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peduncle

Noun

1. Bot a plant stalk bearing a flower cluster or solitary flower

2. Anat, pathol any stalklike structure [Latin pediculus little foot]

peduncular adj

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peduncle  (p-dngkl, pdngkl)

1. The stalk that attaches a single flower, flower cluster, or fruit to the stem. See more at flower.

2. A stalk supporting an animal organ, such as the eyestalk of a lobster.

3. A slender stalk by which the base of a nonsessile tumor is attached to normal tissue.

4. Any of several stalklike connecting structures in the brain, composed either of white matter or of white and gray matter.

Thesaurus

Noun	1.	peduncle - the thin process of tissue that attaches a polyp to the body growth - (pathology) an abnormal proliferation of tissue (as in a tumor) pedunculated polyp - a polyp with a stalk or peduncle
	2.	peduncle - stalk bearing an inflorescence or solitary flower flower stalk, scape - erect leafless flower stalk growing directly from the ground as in a tulip pedicel, pedicle - a small stalk bearing a single flower of an inflorescence; an ultimate division of a common peduncle
	3.	peduncle - a bundle of myelinated neurons joining different parts of the brain cerebral peduncle nerve pathway, nerve tract, pathway, tract - a bundle of myelinated nerve fibers following a path through the brain forebrain, prosencephalon - the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube