File:Contribution à l'etude des pupipares (1909) (20497726468).jpg

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Français : Coupe longitudinale du ganglion thoracique (gth) de Lipoptena cervi; L. gr, ganglions thoraciques: ga, ganglion abdomidal; o, oesophage; p, postventricule. Gr. = 60.
English:

Title: Contribution à l'etude des pupipares
Identifier: contributionle00mass (find matches)
Year: 1909 (1900s)
Authors: Massonnat, Ãmile
Subjects: Diptera
Publisher: Lyon, A. Rey; (etc. , etc. )
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
SYSTEME NERVRUX ET ORGANES DES SENS 187 métathoraciques ; de chacun d'eux se détachent les nerfs qui se rendent aux trois paires de pattes. Le ganglion impair postérieur doit donc résulter de la fusion de tous les ganglions abdominaux. Ces ganglions sont unis entre eux dorsalement par une bande médiane de fib;^es nerveuses, prolongement du cordon nerveux qui vient de la masse céphalique et qui se termine dans le ganglion abdominal. Structure. â Gomme le précédent, ce ganglion possède deux sortes de substances : la substance ponctuée centrale, éosinophile, et la couche corticale formée de cellules qui retiennent l'hématoxyline. Dans cette dernière, on distingue de petites et de grosses cellules nerveuses. C'est même ici que chez H. canielina, j'observe les cellules les plus volumineuses, beaucoup plus grandes que celles de la masse céphalique : elles sont situées sur les parties latérales. Nerfs. â De cette masse ganglionnaire partent différents nerfs qui se rendent aux muscles thoraciques, aux pattes, aux haltères et aux organes abdominaux. La paire de nerfs la plus importante est celle des haltères ou balanciers.
Text Appearing After Image:
Hippoboscidés. â Chez les autres Hippoboscidés, le système nerveux est identique à celui d'Hippo- hosca dans nos deux séries habituelles, d'une part, Lipoptena (W^. 63 et 83) et Melophagiis et, d'autre part, Ornitho- niyia, Lynchia et Crataerhina (lig. 82). La seule variation que l'on observe consiste dans la diminution du gan- glion optique, dont j'étudierai la struc- ture avec celle de l'oeil. Le système nerveux est donc, chez les Hippoboscidés, conforme à celui des Muscides. Ce type se maintient constant dans tout le groupe. A part le ganglion optique, le système nerveux central ne semble pas être influencé par l'adaptation à l'ectoparasitisme. FiG. 83. â Coupe longitudinale du ganglion Ihoracique (gth) de Lipoptena cervi ; L. 7/, ganglions thoraciques : ga, ganglion abdominal; o, Åso- phage ; p, proventricule. Gr. = 60.

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Flickr tags
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  • bookid:contributionle00mass
  • bookyear:1909
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Massonnat_mile
  • booksubject:Diptera
  • bookpublisher:Lyon_A_Rey_etc_etc_
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Smithsonian_Libraries
  • bookleafnumber:199
  • bookcollection:biodiversity
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
18 August 2015


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