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sterna

  • plural
    of sternum.
    sternum
    noun
    a bone or series of bones extending along the middle line of the ventral portion of the body of most vertebrates, consisting in humans of a flat, narrow bone connected with the clavicles and the true ribs; breastbone.

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In many genera of the Pentatomidae, bristle-bearing tubercles on the legs are scraped across a set of fine striations on the abdominal sterna.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" by Various

Each leg-bearing somite contains a distinct tergum and sternum, the number of sterna never exceeding that of the terga.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various

The first and second abdominal sterna are often suppressed or reduced, on account of the strong development of the hind-legs.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various

No distinct respiratory stigmata behind the sterna of the 1st and 2nd somites of the opisthosoma.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

Pectoral Girdle.—The pectoral girdles are fully arciferal and bear small, cartilaginous omosterna and moderately large cartilaginous sterna.

From A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus by William E. Duellman

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