Cribelo
Multi tool use
O cribelo é um órgão das aranhas que se encontra frontalmente às fiandeiras e se presume que seja o homólogo do oitavo par de fiandeiras das aranhas primitivas, Mesothelae e Mygalomorphae. Produz uma seda que tem uma estrutura similar a lã.[1]
As aranhas que possuem cribelo, denominam-se cribeladas e apresentam calamistro, um conjunto de pelos especiais, que se encontram dispostos em fila, no metatarso do quarto par de patas, que é altamente variado tanto em aparência como em desenvolvimento. As aranhas sem cribelo designam-se por acribeladas.
Referências |
- Eberhard, William G. and Pereira, Flory. 1993. Ultrastructure of cribellate silk of nine species in eight families and possible taxonomic implications (Araneae: Amaurobiidae, Deinopidae, Desidae, Dictynidae, Filistatidae, Hypochilidae, Stiphidiidae, Tengellidae). Journal of Arachnology, 21(3): 161-174. PDF
- Huber, B.A. (1994): Spermophore morphology reveals a new synapomorphy of Oecobius and Uroctea (Araneae, Oecobiidae). Journal of Arachnology, 22: 73-74. PDF
- Griswold, C.E., Coddington, J.A., Platnick, N.I. and Forster, R.R. (1999). Towards a Phylogeny of Entelegyne Spiders (Araneae, Araneomorphae, Entelegynae). Journal of Arachnology, 27: 53-63. PDF
Notas
↑ «Cribelo». Michaelis On-Line. Consultado em 7 de agosto de 2017
Ligações externas |
- Morfologia das aranhas
- Sedas de aranhas
 |
Este artigo sobre aracnídeos, integrado no Projeto Artrópodes é um esboço. Você pode ajudar a Wikipédia expandindo-o. |
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