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8 results for “Dufour gland”
Figure 2 from: Billen J, Justino CEL, Carnimeo FH, Noll FB (2017) Morphology and ultrastructure of the Dufour gland of Myzinum sp. (Tiphiidae). Journal of Hymenoptera Research 55: 109-119. https://doi.org/10.3897/jhr.55.11618
Figure 2 - A Semithin section through the Dufour gland reservoir sac (DGr) and duct region (DGd) in Myzinum sp.1. The arrowheads indicate the transition between the reservoir and duct region B Detail of crenellate epithelial lining of reservoir sac with strands of surrounding muscle fibres (MF) C Schematical view of cupola-like shape of gland cell. bi: basal invaginations, ct: cuticle, lcj: lateral cell junction, mv: microvilli, N: nucleus.
Figure 1 from: Billen J, Justino CEL, Carnimeo FH, Noll FB (2017) Morphology and ultrastructure of the Dufour gland of Myzinum sp. (Tiphiidae). Journal of Hymenoptera Research 55: 109-119. https://doi.org/10.3897/jhr.55.11618
Figure 1 - A, B Profile and frontal view of female of Myzinum sp.1. C, D Profile and frontal view of female of Myzinum sp.2.
Figure 5 from: Billen J, Justino CEL, Carnimeo FH, Noll FB (2017) Morphology and ultrastructure of the Dufour gland of Myzinum sp. (Tiphiidae). Journal of Hymenoptera Research 55: 109-119. https://doi.org/10.3897/jhr.55.11618
Figure 5 - A Longitudinal semithin section through sting base region in Myzinum sp.2, showing Dufour gland opening ventrally of the sting base (black arrow), whereas the venom gland duct opens through the sting (white arrow) B Enlargement from A showing sting base region C Cross semithin section through Dufour gland duct in Myzinum sp.1, showing slit-like duct with attachment of dorsal and ventral muscle fibres (MF) D and E Electron micrographs of muscular attachments onto Dufour gland duct of Myzinum sp.1. Myofilaments of muscle fibres (MF) transmit their pulling force onto bundles of microtubules (MT) in the duct cells via hemidesmosomes (hd). bi: basal invaginations, DGd: Dufour gland duct, DGr: Dufour gland reservoir sac. G: ganglion, lv: lancet valves, N: nucleus, st: sting, VGd: venom gland duct.
Figure 3 from: Billen J, Justino CEL, Carnimeo FH, Noll FB (2017) Morphology and ultrastructure of the Dufour gland of Myzinum sp. (Tiphiidae). Journal of Hymenoptera Research 55: 109-119. https://doi.org/10.3897/jhr.55.11618
Figure 3 - Electron micrographs of Dufour gland secretory cells in Myzinum sp.1. A Low magnification survey of crenellate epithelium, arrowheads indicate cell junctions B Cupola-like apical part of gland cell with nucleus (N) C Low lateral part of gland cell with apical microvilli (mv) and basal invaginations (bi). Arrowheads indicate extensions of smooth endoplasmic reticulum (SER) into microvilli D Detail of intercellular junction with apical desmosome (d), followed by septate junction (sj). Note intercellular space (is) wedged in between neighbouring cell walls. E. Occurrence of intercellular bridge (ib). ct: cuticle, M: mitochondria.
Figure 4 from: Billen J, Justino CEL, Carnimeo FH, Noll FB (2017) Morphology and ultrastructure of the Dufour gland of Myzinum sp. (Tiphiidae). Journal of Hymenoptera Research 55: 109-119. https://doi.org/10.3897/jhr.55.11618
Figure 4 - A Partially dissected gaster of a collection specimen of Myzinum sp.1, showing the dorsally curved sting (arrow) B Overview of sting (Myzinum sp.1) C Longitudinal semithin section through the posterior abdomen part of Myzinum sp.2 female, showing upward curved sting (st). DGr: Dufour gland reservoir, HG: hindgut.
Figure 2 from: Mitra A (2013) Function of the Dufour's gland in solitary and social Hymenoptera. Journal of Hymenoptera Research 35: 33-58. https://doi.org/10.3897/jhr.35.4783
Figure 2 - Diagram listing the categories of compounds reported from the Dufour's gland in various hymenopteran taxa, also showing the inter-relationships of the taxa. Dendrogram made following Brothers (1998), Schmitz and Moritz (1998), Whitfield and Cameron (1998), Grimaldi and Engel (2005), Brady et al. (2009), Vincent et al. (2010), and Cardinal et al. (2010). References cited in parenthesis below the names of compounds. Branch lengths do not have any significance.
Figure 1 from: Mitra A (2013) Function of the Dufour's gland in solitary and social Hymenoptera. Journal of Hymenoptera Research 35: 33-58. https://doi.org/10.3897/jhr.35.4783
Figure 1 - Diagram showing position of the Dufour's gland among other abdominal organs in the polistine wasp Ropalidia marginata. (Drawing: author, not to scale)
Figure 3 from: Mitra A (2013) Function of the Dufour's gland in solitary and social Hymenoptera. Journal of Hymenoptera Research 35: 33-58. https://doi.org/10.3897/jhr.35.4783
Figure 3 - Diagrammatic summary of the known functions of the Dufour's gland in various hymenopteran taxa, also showing the inter-relationships of the taxa. Dendrogram made following Brothers (1998), Schmitz and Moritz (1998), Whitfield and Cameron (1998), Grimaldi and Engel (2005), Brady et al. (2009), Vincent et al. (2010), and Cardinal et al. (2010). Figures in parenthesis beside each function denote references cited. Branch lengths do not have any significance.<br> References: 1 Rosi et al. (2001), 2 Mehrnejad and Copland (2007), 3 Vardal (2006), 4 Guillot et al. (1974), 5 Vinson and Guillot (1972), 6 Lawrence and Akin (1990), 7 Vinson (1978), 8 de Freitas et al. (2004), 9 Marris et al. (1996), 10 Huang et al. (2008), 11 Cane (1981), 12 Duffield et al. (1983), 13 Hefetz (1987), 14 Ayasse et al. (1990b), 15 Hefetz et al. (1979), 16 Albans et al. (1980), 17 Cane (1981), 18 Guedot et al. (2006), 19 Cane (1981), 20 Brooks and Cane (1984), 21 Ayasse et al. (1990a), 22 Smith et al. (1985), 23 Barrows (1975a), 24 Barrows et al. (1975b), 25 Ayasse et al. (1993), 26 Hefetz et al. (1986), 27 Hefetz (1987), 28 Smith and Wenzel (1988), 29 Cane and Carlson (1984), 30 Duffield et al. (1984), 31 Norden et al. (1980), 32 Hefetz et al. (1982), 33 Shimron et al. (1985), 34 Frankie and Vinson (1977), 35 Vinson et al. (1978), 36 Katzav-Gozansky et al. (2002), 37 Sole et al. (2002), 38 Oldroyd et al. (2002), 39 Katzav-Gozansky et al. (2007), 40 Malka et al. (2008), 41 Tengö et al. (1991), 42 Oldham et al. (1994), 43 Ayasse et al. (1999), 44 Amsalem et al. (2009), 45 Amsalem and Hefetz (2010), 46 Abdalla and Cruz-Landim (2004), 47 Downing and Jeanne (1983), 48 Downing (1991), 49 Dani et al. (1996a), 50 Dani et al. (1996b), 51 Mitra et al. (2011), 52 Mitra and Gadagkar (2011), 53 Mitra and Gadagkar (2012a), 54 Mitra and Gadagkar (2012b), 55 Jeanne (1977), 56 Reed (1982), 57 Reed and Akre (1982), 58 Barr-Nea et al. (1976), 59 Sledge et al. (2000), 60 Fortunato and Turillazzi (2012), 61 Turillazzi (1989), 62 Cervo et al. (2002), 63 Law et al. (1965), 64 Hölldobler and Wilson (1970), 65 Williams et al. (1981), 66 Blatrix et al. (2002), 67 Jeanson et al. (2003), 68 Greene and Gordon (2007), 69 Morgan (2009), 70 Cammaerts et al. (1977), 71 Wilson and Regnier (1971), 72 Whitehouse and Jaffe (1996), 73 Topoff et al. (1988), 74 Mori et al. (2000), 75 Hölldobler and Wilson (1990), 76 Ayasse et al. (2001).
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