peduncle

• 指连接器官或结构主体与其余部分的细柄或茎状构造，如花梗、果梗、脑内的神经纤维束等。

A noun referring to a slender stalk or stem-like structure that connects a part to the main body, such as a polyp, a flower cluster, or a bundle of nerve fibers in the brain.

1. Polyp attachmentC1formalmedical

   A thin stalk of tissue that connects a polyp to the body's surface, often found in the colon or other organs.

   息肉蒂

   • The surgeon removed the polyp by cutting its peduncle.
   • A pedunculated polyp is easier to remove than a sessile one.
   • The colonoscopy revealed a polyp with a long peduncle.

   同义词pediclestalk

2. Plant stalkC1formalscientific

   A stalk that supports an inflorescence (a cluster of flowers) or a solitary flower.

   花梗

   • The peduncle of the sunflower can grow quite thick.
   • Botanists measure the length of the peduncle to classify the plant.
   • The flower's peduncle bent under the weight of the bloom.

   同义词flower stalkscapestalk

3. Brain structureC2formalmedical

   A bundle of nerve fibers (myelinated neurons) that connects different parts of the brain, such as the cerebellar peduncles.

   脑脚

   • The cerebellar peduncle connects the cerebellum to the brainstem.
   • Damage to the peduncle can affect motor coordination.
   • The MRI showed a lesion in the cerebral peduncle.