Morphology and ultrastructure of the spermatozoa of Lonchoptera lutea Panzer, 1809 (Diptera: Lonchopteridae)

Morphology and ultrastructure of the spermatozoa of Lonchoptera lutea Panzer, 1809 (Diptera: Lonchopteridae)

Lonchoptera lutea males produce giant spermatozoa that are more than 2000 μm long and 1.4 μm wide. Unlike the typical brachyceran spermatozoon, they have a highly asymmetrical cross-section with only a single, albeit very large, mitochondrial derivative and a pair of massive accessory bodies, one of...

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Veröffentlicht in:Ventricular Restraint Improves Outcomes in HF Patients with CRT. - 2011. - Amsterdam [u.a.]
1. Verfasser: Kotrba, Marion (VerfasserIn)
Weitere Verfasser: Tröster, Michael (BerichterstatterIn), Gensler, Heidemarie (BerichterstatterIn), Ruthensteiner, Bernhard (BerichterstatterIn), Heß, Martin (BerichterstatterIn)
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021transfer abstract
Zugriff auf das übergeordnete Werk:Ventricular Restraint Improves Outcomes in HF Patients with CRT
Schlagworte:Reproduction Giant spermatozoa Mitochondrial derivative Accessory body Spermatheca
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520 |a Lonchoptera lutea males produce giant spermatozoa that are more than 2000 μm long and 1.4 μm wide. Unlike the typical brachyceran spermatozoon, they have a highly asymmetrical cross-section with only a single, albeit very large, mitochondrial derivative and a pair of massive accessory bodies, one of which extends throughout the entire length of the sperm tail. The accessory bodies consist of an electron-dense matrix in which numerous peculiar electron-lucid substructures are embedded. In the mated female, the giant spermatozoa are found inside two tubular spermathecae which are also extremely long, measuring 4000 μm or more. 
520 |a Lonchoptera lutea males produce giant spermatozoa that are more than 2000 μm long and 1.4 μm wide. Unlike the typical brachyceran spermatozoon, they have a highly asymmetrical cross-section with only a single, albeit very large, mitochondrial derivative and a pair of massive accessory bodies, one of which extends throughout the entire length of the sperm tail. The accessory bodies consist of an electron-dense matrix in which numerous peculiar electron-lucid substructures are embedded. In the mated female, the giant spermatozoa are found inside two tubular spermathecae which are also extremely long, measuring 4000 μm or more. 
650 7 |a Reproduction  |2 Elsevier 
650 7 |a Giant spermatozoa  |2 Elsevier 
650 7 |a Mitochondrial derivative  |2 Elsevier 
650 7 |a Accessory body  |2 Elsevier 
650 7 |a Spermatheca  |2 Elsevier 
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700 1 |a Ruthensteiner, Bernhard  |4 oth 
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