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Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods
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| Zeitschriftentitel: | Brazilian Journal of Biology |
|---|---|
| Personen und Körperschaften: | , |
| In: | Brazilian Journal of Biology, 68, 2008, 1, S. 221-228 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
FapUNIFESP (SciELO)
|
| Schlagwörter: |
| author_facet |
Abrunhosa, F. Melo, M. Abrunhosa, F. Melo, M. |
|---|---|
| author |
Abrunhosa, F. Melo, M. |
| spellingShingle |
Abrunhosa, F. Melo, M. Brazilian Journal of Biology Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods General Agricultural and Biological Sciences |
| author_sort |
abrunhosa, f. |
| spelling |
Abrunhosa, F. Melo, M. 1519-6984 FapUNIFESP (SciELO) General Agricultural and Biological Sciences http://dx.doi.org/10.1590/s1519-69842008000100032 <jats:p>The development of the foregut structure and the digestive function of the decapods Litopenaeus vannamei, Sesarma rectum and Callichirus major larvae and post larvae were examined. The protozoeal foregut of L. vannamei is simple, lacking a cardiopyloric valve and bearing a rudimentary filter press. In mysis, the filter press is more developed. In the juvenile stage, grooves and a small lateral tooth arise. In S. rectum, the foregut has a functional cardiopyloric valve and a filter press. The megalopal and juvenile stages of this species have a gastric mill similar to those in adult crabs. In C. major, the foregut of the zoeae is specialized, with the appearance of some rigid structures, but no gastric mill was found. Calcified structures are observed in the megalopae and they become more developed in the juvenile stage. The results support suppositions, previously reported in other studies, that feeding behavior of each larval and postlarval stage is directly related to the morphological characteristics of the foreguts.</jats:p> Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods Brazilian Journal of Biology |
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| title |
Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_unstemmed |
Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_full |
Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_fullStr |
Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_full_unstemmed |
Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_short |
Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_sort |
development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| topic |
General Agricultural and Biological Sciences |
| url |
http://dx.doi.org/10.1590/s1519-69842008000100032 |
| publishDate |
2008 |
| physical |
221-228 |
| description |
<jats:p>The development of the foregut structure and the digestive function of the decapods Litopenaeus vannamei, Sesarma rectum and Callichirus major larvae and post larvae were examined. The protozoeal foregut of L. vannamei is simple, lacking a cardiopyloric valve and bearing a rudimentary filter press. In mysis, the filter press is more developed. In the juvenile stage, grooves and a small lateral tooth arise. In S. rectum, the foregut has a functional cardiopyloric valve and a filter press. The megalopal and juvenile stages of this species have a gastric mill similar to those in adult crabs. In C. major, the foregut of the zoeae is specialized, with the appearance of some rigid structures, but no gastric mill was found. Calcified structures are observed in the megalopae and they become more developed in the juvenile stage. The results support suppositions, previously reported in other studies, that feeding behavior of each larval and postlarval stage is directly related to the morphological characteristics of the foreguts.</jats:p> |
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| author | Abrunhosa, F., Melo, M. |
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| description | <jats:p>The development of the foregut structure and the digestive function of the decapods Litopenaeus vannamei, Sesarma rectum and Callichirus major larvae and post larvae were examined. The protozoeal foregut of L. vannamei is simple, lacking a cardiopyloric valve and bearing a rudimentary filter press. In mysis, the filter press is more developed. In the juvenile stage, grooves and a small lateral tooth arise. In S. rectum, the foregut has a functional cardiopyloric valve and a filter press. The megalopal and juvenile stages of this species have a gastric mill similar to those in adult crabs. In C. major, the foregut of the zoeae is specialized, with the appearance of some rigid structures, but no gastric mill was found. Calcified structures are observed in the megalopae and they become more developed in the juvenile stage. The results support suppositions, previously reported in other studies, that feeding behavior of each larval and postlarval stage is directly related to the morphological characteristics of the foreguts.</jats:p> |
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| spelling | Abrunhosa, F. Melo, M. 1519-6984 FapUNIFESP (SciELO) General Agricultural and Biological Sciences http://dx.doi.org/10.1590/s1519-69842008000100032 <jats:p>The development of the foregut structure and the digestive function of the decapods Litopenaeus vannamei, Sesarma rectum and Callichirus major larvae and post larvae were examined. The protozoeal foregut of L. vannamei is simple, lacking a cardiopyloric valve and bearing a rudimentary filter press. In mysis, the filter press is more developed. In the juvenile stage, grooves and a small lateral tooth arise. In S. rectum, the foregut has a functional cardiopyloric valve and a filter press. The megalopal and juvenile stages of this species have a gastric mill similar to those in adult crabs. In C. major, the foregut of the zoeae is specialized, with the appearance of some rigid structures, but no gastric mill was found. Calcified structures are observed in the megalopae and they become more developed in the juvenile stage. The results support suppositions, previously reported in other studies, that feeding behavior of each larval and postlarval stage is directly related to the morphological characteristics of the foreguts.</jats:p> Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods Brazilian Journal of Biology |
| spellingShingle | Abrunhosa, F., Melo, M., Brazilian Journal of Biology, Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods, General Agricultural and Biological Sciences |
| title | Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_full | Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_fullStr | Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_full_unstemmed | Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_short | Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_sort | development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| title_unstemmed | Development and functional morphology of the foreguts of larvae and postlarvae of three crustacean decapods |
| topic | General Agricultural and Biological Sciences |
| url | http://dx.doi.org/10.1590/s1519-69842008000100032 |