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210910s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.asd.2020.100952
|2 doi
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|a /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001124.pica
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|a (DE-627)ELV051267276
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|a (ELSEVIER)S1467-8039(20)30013-X
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|c DE-627
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|a Structure and function of the stylets of hematophagous Triatominae (Hemiptera: Reduviidae), with special reference to Dipetalogaster maxima
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| 264 |
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1 |
|c 2020transfer abstract
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| 336 |
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|a nicht spezifiziert
|b zzz
|2 rdacontent
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|a Kissing bugs (Hemiptera: Reduviidae: Triatominae) are able to bend their rod-like maxillae while searching for blood vessels in the tissue of their vertebrate hosts. Little is known about the working mechanisms of these bending movements and the distal opening of the food channel. We compared the morphological structure of the stylets (mandibles and maxillae) of four triatomine species and analyzed the feeding process of Dipetalogaster maxima (Uhler, 1894). The maxillae of triatomine bugs are interlocked by a tongue-and-groove system, allowing longitudinal sliding. While penetrating the host tissue, the animals perform rapid alternate back and forth movements of the maxillae. The resistance of the surrounding tissue pushes the asymmetric apex of the maxillae away from its straight path, i.e., if one individual maxilla is protracted alone, its tip curves inwards, and the other maxilla follows. Once a blood vessel is tapped, the spine-like tip of the left maxilla splays outwards. Apically, each of the maxillae features an abutment, the left one exhibiting a notch that presumably facilitates splaying. The mechanical interaction of the two maxillary abutments enables the distal opening of the food channel but might also support the movements of the maxillary bundle attributable to different bending moment distributions.
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| 520 |
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|a Kissing bugs (Hemiptera: Reduviidae: Triatominae) are able to bend their rod-like maxillae while searching for blood vessels in the tissue of their vertebrate hosts. Little is known about the working mechanisms of these bending movements and the distal opening of the food channel. We compared the morphological structure of the stylets (mandibles and maxillae) of four triatomine species and analyzed the feeding process of Dipetalogaster maxima (Uhler, 1894). The maxillae of triatomine bugs are interlocked by a tongue-and-groove system, allowing longitudinal sliding. While penetrating the host tissue, the animals perform rapid alternate back and forth movements of the maxillae. The resistance of the surrounding tissue pushes the asymmetric apex of the maxillae away from its straight path, i.e., if one individual maxilla is protracted alone, its tip curves inwards, and the other maxilla follows. Once a blood vessel is tapped, the spine-like tip of the left maxilla splays outwards. Apically, each of the maxillae features an abutment, the left one exhibiting a notch that presumably facilitates splaying. The mechanical interaction of the two maxillary abutments enables the distal opening of the food channel but might also support the movements of the maxillary bundle attributable to different bending moment distributions.
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| 650 |
|
7 |
|a Functional morphology
|2 Elsevier
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| 650 |
|
7 |
|a Mouthparts
|2 Elsevier
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| 650 |
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7 |
|a Hematophagy
|2 Elsevier
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| 650 |
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7 |
|a Joint-free movement
|2 Elsevier
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| 650 |
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7 |
|a Bending
|2 Elsevier
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| 650 |
|
7 |
|a Rhodnius
|2 Elsevier
|
| 700 |
1 |
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|a Henn, Fabian
|4 oth
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| 700 |
1 |
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|a Betz, Oliver
|4 oth
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| 700 |
1 |
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|a Eggs, Benjamin
|4 oth
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| 773 |
0 |
8 |
|i Enthalten in
|n Elsevier Science
|t Ventricular Restraint Improves Outcomes in HF Patients with CRT
|d 2011
|g Amsterdam [u.a.]
|w (DE-627)ELV015921530
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| 773 |
1 |
8 |
|g volume:58
|g year:2020
|g pages:0
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| 856 |
4 |
0 |
|u https://doi.org/10.1016/j.asd.2020.100952
|3 Volltext
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