Definitions

from The Century Dictionary.

  • noun The middle one of the three divisions of the notum of an insect, succeeding the pronotum and preceding the metanotum; the dorsal division of the mesothorax; the upper part of the middle thoracic segment.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) The dorsal portion of the mesothorax of insects.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology The dorsal portion of the mesothorax of insects.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

New Latin, from Ancient Greek, meaning "middle of the back".

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Examples

  • Dorsulum: the mesonotum before the scutellum, with the wing sockets: also, specifically, the meso-scutellum.

    Explanation of Terms Used in Entomology John. B. Smith

  • Dorsopleural suture: Diptera; the lateral suture between dorsal and pleurum from the humeri through the base of the wing: separates the mesonotum from the pleura.

    Explanation of Terms Used in Entomology John. B. Smith

  • Frenulum: the spine, simple in males, compound in females, arising from the base of secondaries in many Lepidoptera, whose function it is to unite the wings in flight: in Cicada the triangular lateral piece on the mesonotum which connects with the trochlea: the anal area of secondaries and thus = tendo, q.v. Frenulum hook: in the males of frenate Lepidoptera, a hook or fold into which the frenulum is fitted.

    Explanation of Terms Used in Entomology John. B. Smith

  • Mesotergum: = mesonotum; q.v. Meta -: posterior: used as a prefix to designate the third thoracic ring and its parts.

    Explanation of Terms Used in Entomology John. B. Smith

  • These inflections serve as sites of muscle attachment, and also interface between the pronotum, the propectuses, and the mesonotum.

    PLoS ONE Alerts: New Articles Richard P. Berry et al. 2010

  • (C) Lateral view of same with only right prospectus and mesonotum

    PLoS ONE Alerts: New Articles Richard P. Berry et al. 2010

  • The pronotum, mesonotum and dorsal neck membrane (DNM).

    PLoS ONE Alerts: New Articles Richard P. Berry et al. 2010

  • IK2 innervates many of the neck muscles originating from the pronotum or mesonotum.

    PLoS ONE Alerts: New Articles Richard P. Berry et al. 2010

  • The most notable feature of the anterior mesonotum is the infolding of the body wall on the ventral rim (prephragma (anteriorly)) and first phragma (laterally)) (

    PLoS ONE Alerts: New Articles Richard P. Berry et al. 2010

  • IM: intersegmental membrane; PPh: prephragma of the mesonotum; 1 Ph: first phragma of the mesonotum; PS: pronotal sulcus.

    PLoS ONE Alerts: New Articles Richard P. Berry et al. 2010

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