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248 results for “spermatheca”
Fig. 2 in Morphology of the ovary and spermatheca of the leafcutter ant Acromyrmex rugosus queens (Hymenoptera: Formicidae)
Fig. 2. Light micrographs of an Acromyrmex rugosus ovariole. (A) Terminal filament (Tf) and germarium (Ge). Scale bar: 30 μm. (B) The vitellarium region with the egg chamber (Oc) and nurse chamber (Nc) at various stages of development, covered by follicular cells (Fc). Scale bar: 30 μm. (C) A follicle at the early stage of development with a small egg chamber (Oc) enveloped by cuboidal follicular cells (Fc) and a well-developed nurse chamber (Nc). N, nurse cell nucleus. Scale bar: 20 μm. (D) Flat follicular cells (Fc) covering the nurse chamber (Nc). Scale bar: 20 μm. (E) A follicle with an oocyte (Oc) with multiple accessory nuclei (black arrowhead). A disruption in the follicular epithelium that allows communication between the egg and nurse chambers (black arrow). Scale bar: 20 μm. (F) Oocytes (Oc) in the late maturation stages with a large number of yolk granules in the cytoplasm (black arrow), enveloped by cuboidal follicular (Fc) cells. The nurse chamber (Nc) is smaller than the egg chamber (Oc). Scale bar: 30 μm. (G) Cuboidal follicular epithelium (Fc) covering the oocyte (Oc). Scale bar: 20 μm. (H) A follicle at the final stage of development with degenerating nurse cells (Nc). Yolk granules in the ooplasm (black arrow). Oc, oocyte; Fc, follicular cells. Scale bar: 10 µm.
Fig. 1 in Morphology of the ovary and spermatheca of the leafcutter ant Acromyrmex rugosus queens (Hymenoptera: Formicidae)
Fig. 1. General appearance of the Acromyrmex rugosus reproductive system. Ovariole (Ov); lateral oviduct (Lo); spermatheca (Sp); trachea associated with the ovarioles (white arrow). Scale bar: 500 μm.
Figs 21–24. Female spermatheca. 21–22 – Prolactistes australis J. A. Lis, 2001 in Review of the genus Prolactistes (Heteroptera: Cydnidae), with two new combinations, first Indonesian records and a key to species of the genus
Figs 21–24. Female spermatheca. 21–22 – Prolactistes australis J. A. Lis, 2001; 23–24 – P. lisi (Magnien, 2014). Lettering: sr – seminal receptacle of spermatheca. Scale bar = 0.1 mm. (Fig. 21 from Lංඌ (2001), modified; Fig. 23 from MൺǤඇංൾඇ (2014), modified).
Figs. 14–21. Spermatheca. 14 in Phyllobrotica malinka sp. nov. from Turkey and Iran and a review of allied species (Coleoptera: Chrysomelidae: Galerucinae)
Figs. 14–21. Spermatheca. 14 – Phyllobrotica malinka sp. nov. (from Hop Geçidi); 15 – P. malinka sp. nov. (from 20 km N of Bağişli); 16 – P. frontalis Weise, 1886 (from Barla env.); 17 – P. frontalis Weise, 1886 (from Nemrut Daği Mts.); 18 – P. elegans Kraatz, 1866 (from Tbilisi); 19 – same from behind; 20 – P. elegans Kraatz, 1866 (from Mürseler); 21 – same from behind. Scale bar = 0.5 mm.
Figs. 5–9. Spermatheca. 5 in Revisional study on the genus Mimastra (Coleoptera: Chrysomelidae: Galerucinae): Species with unmodified protarsomeres in male. Part 1.
Figs. 5–9. Spermatheca. 5 – Mimastra badia Kimoto, 1989; 6 – M. fortipunctata Maulik, 1936; 7 – M. maai Gressitt & Kimoto, 1963; 8 – M. pallida Jacoby, 1896; 9 – M. polita Jacoby, 1889. Scale bars: 0.5 mm.
Figs. 14–17. Spermatheca. 14 in Revisional study on the genus Mimastra (Coleoptera: Chrysomelidae: Galerucinae): Species with unmodified protarsomeres in male. Part 1.
Figs. 14–17. Spermatheca. 14 – Mimastra submetallica Jacoby, 1884; 15 – M. sumatrensis Jacoby, 1884; 16 – M. jelineki sp. nov.; 17 – M. kremitovskyi sp. nov. Scale bars: 0.5 mm.
Figs. 55–58. Female spermathecae, dorsal views. 55, 56 in A Relimitation And Revision Of The Australasian Ground Spider Family Lamponidae (Araneae: Gnaphosoidea)
Figs. 55–58. Female spermathecae, dorsal views. 55, 56. Lampona cylindrata (L. Koch). 57, 58. L. murina L. Koch.
Figs. 168–170. Lacvietina punctatissima. 168. Sternum VIII, female. 169. Spermatheca. 170 in Revision of the Asian Tribe Megarthropsini (Coleoptera: Staphylinidae: Tachyporinae)
Figs. 168–170. Lacvietina punctatissima. 168. Sternum VIII, female. 169. Spermatheca. 170. Tergum VIII, female.
Figs. 101–108. Peitawopsis inexspectata. 101. Sternum VIII, male. 102. Aedeagus, lateral. 103. Aedeagus, ventral. 104. Sternum VIII, female. 105–107. Spermatheca, variation. 108 in Revision of the Asian Tribe Megarthropsini (Coleoptera: Staphylinidae: Tachyporinae)
Figs. 101–108. Peitawopsis inexspectata. 101. Sternum VIII, male. 102. Aedeagus, lateral. 103. Aedeagus, ventral. 104. Sternum VIII, female. 105–107. Spermatheca, variation. 108. Sternite VII, male.
Figs. 140–146. Lacvietina aurora. 140. Tergum VIII, female. 141. Sternum VIII, female. 142. Spermatheca. 143 in Revision of the Asian Tribe Megarthropsini (Coleoptera: Staphylinidae: Tachyporinae)
Figs. 140–146. Lacvietina aurora. 140. Tergum VIII, female. 141. Sternum VIII, female. 142. Spermatheca. 143. Elytron, apical margin, left (setae omitted). 144. Tergites IX and tergum X, female. 145. Segment IX, ventral, female. 146. Mesosternum and metasternum.
Figs. 29–33. Megarthropsis durga. 29. Aedeagus, ventral. 30. Aedeagus, lateral. 31. Sternum VIII, male. 32. Spermatheca. 33 in Revision of the Asian Tribe Megarthropsini (Coleoptera: Staphylinidae: Tachyporinae)
Figs. 29–33. Megarthropsis durga. 29. Aedeagus, ventral. 30. Aedeagus, lateral. 31. Sternum VIII, male. 32. Spermatheca. 33. Sternite VII, male.
Figs. 20–25. Megarthropsis djawaensis. 20. Sternum VIII, male. 21. Sternite VII, male. 22. Aedeagus, ventral. 23. Aedeagus, lateral. 24. Spermatheca. 25 in Revision of the Asian Tribe Megarthropsini (Coleoptera: Staphylinidae: Tachyporinae)
Figs. 20–25. Megarthropsis djawaensis. 20. Sternum VIII, male. 21. Sternite VII, male. 22. Aedeagus, ventral. 23. Aedeagus, lateral. 24. Spermatheca. 25. Elytron, apical margin, left (setae omitted).
Figs. 2–9. Megarthropsis decorata. 2. Aedeagus, lateral. 3. Sternite VI, male. 4. Sternite VII, male. 5. Aedeagus, ventral. 6. Sternum VIII, male. 7. Sternum VIII, female. 8. Spermatheca. 9 in Revision of the Asian Tribe Megarthropsini (Coleoptera: Staphylinidae: Tachyporinae)
Figs. 2–9. Megarthropsis decorata. 2. Aedeagus, lateral. 3. Sternite VI, male. 4. Sternite VII, male. 5. Aedeagus, ventral. 6. Sternum VIII, male. 7. Sternum VIII, female. 8. Spermatheca. 9. Tergum VIII, female.
Figs. 16–19. Megarthropsis deverra. 16. Tergum VIII, female. 17, 18. Spermatheca. 19 in Revision of the Asian Tribe Megarthropsini (Coleoptera: Staphylinidae: Tachyporinae)
Figs. 16–19. Megarthropsis deverra. 16. Tergum VIII, female. 17, 18. Spermatheca. 19. Sternum VIII, female.
FIG. 21 in The spermatheca in podotreme crabs (Crustacea, Decapoda, Brachyura, Podotremata) and its phylogenetic implications
FIG. 21. — Poupinia hirsuta Guinot, 1991, female 54 × 41 mm, allotype, French Polynesia (MNHN-B 24346), detail of sternal cupules and supra-condylar areas of corresponding coxae. Abbreviations: cu, cupule; cx2-cx3, coxae of P2, P3; g, female gonopore; p, prominence on each side of suture 6/7; s.p., inflated supra-condylar area of the coxa; 5/6, 6/7, sternal sutures 5/6, 6/7. Scale bar: 5 mm.
FIG. 4. — A, B in The spermatheca in podotreme crabs (Crustacea, Decapoda, Brachyura, Podotremata) and its phylogenetic implications
FIG. 4. — A, B, Metadynomene tanensis (Yokoya, 1933), female 20.5 × 21.9 mm, New Caledonia (MNHN-B 26576); C, D, Dynomene pilumnoides Alcock, 1900, female 12.4 × 14.5 mm, Madagascar (MNHN-B 6913); A, C, thoracic sternum; B, D, axial skeleton, with connections by fusion. Abbreviations: a, spermathecal aperture at extremity of sternal suture 7/8; br, transverse bridge; cx3, P3 coxae; g, female gonopore; i.p., intertagmal phragma; 1-3, sternites 1-3; 4-8, sternites 4-8; 7/8, thoracic sternal suture 7/8. Scale bars: 5 mm.
FIG. 27. — A in The spermatheca in podotreme crabs (Crustacea, Decapoda, Brachyura, Podotremata) and its phylogenetic implications
FIG. 27. — A, Homolodromia bouvieri Doflein, 1904 (Homolodromiidae), ovigerous female 33 × 26 mm, Madagascar (MNHN- B 28940), thoracic sternum (sternites 1-3 not drawn); B, Cryptodromia tuberculata Stimpson, 1858 (Dromiidae), ovigerous female 9 × 10 mm (with large eggs), New Caledonia, Karembé, McLay det. (MNHN-B 26387), spermathecal apertures as long opened slits. Abbreviations: a, spermathecal aperture; cx1-cx5, P1-P5 coxae; e4, e5, episternites 4, 5; g, female gonopore; sl, slit; t, tubercule; 4-8, sternites 4-8; 6/7, 7/8, thoracic sternal sutures 6/7, 7/8. Scale bar: A, 5 mm; B, 2.5 mm.
FIG. 25 in The spermatheca in podotreme crabs (Crustacea, Decapoda, Brachyura, Podotremata) and its phylogenetic implications
FIG. 25. — Ranina ranina (Linnaeus, 1758) (Ranininae), female approximately 80 mm width, New Caledonia, Nouméa (MNHN- B 17716), thoracic sternum, with only sternite 4 well developed, sternites 6 and 7 linear. Abbreviations: a.c.1-3, arthrodial cavities of P1-P3; l.m., median line; s, approximate location of the paired spermathecae; 1-3, thoracic sternites 1-3; 4, thoracic sternite 4. Scale bar: 1 cm.
FIG. 13 in The spermatheca in podotreme crabs (Crustacea, Decapoda, Brachyura, Podotremata) and its phylogenetic implications
FIG. 13. — Lauridromia intermedia (Laurie, 1906), female 37.3 × 35.4 mm, New Caledonia (MNHN-B 26441); A, thoracic sternum; B, C, two views of the tubercle bearing spermathecal aperture (notice that the two sheets of the phragma 7/8 are not completely joined in their terminal parts). Abbreviations: a, spermathecal aperture; cx1-cx3, cx5, P1, P2, P3, P5 coxae; g, female gonopore; o.p., opened part of the phragma 7/8; s.p., sperm plug; t, tubercle; 4-8, sternites 4-8; 5/6-7/8, thoracic sternal sutures 5/6 to 7/8. Scale bars: A, C, 2.5 mm; B, 5 mm.
FIG. 10 in The spermatheca in podotreme crabs (Crustacea, Decapoda, Brachyura, Podotremata) and its phylogenetic implications
FIG. 10. — [Dromia] wilsoni (Fulton & Grant, 1902), female 35 × 47.8 mm, Marquesas Islands (MNHN-B 26480); A, thoracic sternum; B, axial skeleton, dorsoventral view, spermathecae not visible. Abbreviations: a, spermathecal aperture; br, transverse bridge; cx3, P3 coxa; e4, e5, episternites 4, 5; g, female gonopore; i.p., intertagmal phragma; 4, sternite 4; 7/8, thoracic sternal sutures 7/8. Scale bars: 1 cm.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.