Dictionary » P » Pedicle

Pedicle

Definition

noun, plural: pedicles

(1) (botany) The stalk of a flower.

(2) (entomology) The waist of the ant bearing one or two segments and connecting the abdomen with the gaster.

(3) (arachnology) The waist of a spider that connects the cephalothorax to the abdomen.

(4) (entomology) The second segment bearing the Johnston's organ in the antenna of the insects.

(5) (zoology) Any of the small, stalk-like structures that serve to support or anchor, such as in brachiopods and certain bivalve mollusks to a substrate.

(6) (anatomy) A small, stalk-like structure that supports an organ.

(7) (pathology) A slender, stalk-like structure that attaches a polyp or tumor to its tissue substrate.


Supplement

Word origin: Latin pedicellus, from pedīculus, from pēs (foot)

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Why do you keep talking about species

... segments about 15,300 modern Arthropoda Jointed foot Arthropods Chitin exoskeleton 1,134,000+ Brachiopoda Arm foot Lamp shells Lophophore and pedicle between 300 and 500 extant Bryozoa Moss animals Moss animals, sea mats Lophophore, no pedicle, ciliated tentacles about 5,000 living species ...

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by gamila
Mon Jun 29, 2009 5:35 pm
 
Forum: Evolution
Topic: Why do you keep talking about species
Replies: 23
Views: 50258


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