exopodite

American  

[ek-sop-uh-dahyt] / ɛkˈsɒp əˌdaɪt /

Also exopod

noun

Zoology.

1. the outer or lateral branch of a two-branched crustacean leg or appendage.

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Other Word Forms

• exopoditic adjective

Etymology

Origin of exopodite

First recorded in 1865–70; exo- + -pod + -ite ¹

Example Sentences

The standard trilobite limb is segmented into three distinct portions — a walking leg, or endopodite, and a gill structure, the exopodite, are connected to the body by a spiny food-processing section, the protopodite.

From New York Times • May 6, 2022

Protopodite, endopodite, exopodite, and epipodite were considered to be the morphological units of the crustacean limb.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various

Thus, in the thoracic limbs of the Malacostraca, the endopodite generally forms a walking-leg while the exopodite becomes a swimming-branch or may disappear altogether.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

In most cases, however, the palp loses its exopodite and it often disappears altogether, while the coxal segment forms the body of the mandible, with a masticatory edge variously armed with teeth and spines.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

The two distal endites are regarded as corresponding to the endopodite and exopodite of the higher Crustacea, the axis or corm of the Phyllopod limb representing the protopodite.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various