Cytophore
WebMar 2, 2013 · The cytophore was formed by a progressive accumulation of cytoplasm and organells during the first spermatogonial divisions.[17] summarized the functions of the cytophore as the following: 1)synchronization of germ cell development; 2) production of energy through the large number of mitochondria present; 3) selective intake of material … WebFeb 25, 2011 · The rosette stages become increasingly disrupted, with fragmentation of the cytoplasmic cytophore. After longer time periods (12–24 h) the testis tubules were almost completely empty with few spermatogenic stages or mature spermatozoa present. The ultrastructural effects of TCBZ-SX bear some resemblance to those observed after …
Cytophore
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WebMar 2, 2013 · The cytophore was formed by a progressive accumulation of cytoplasm and organells during the first spermatogonial divisions.[17] summarized the functions of the cytophore as the following: … Webcytophore. An increase in numbers of connected spermatocytes culminates in as many as 1,000-2,000 slender, helically coiled spermatids per cytophore. Later development into …
WebJan 1, 2024 · In segmented worms that have a saddle (i.e. clitellate annelids – Clitellata), both male and female cysts have a central and anuclear mass of cytoplasm (a cytoplasmic core, the so-called cytophore) to which, as a rule, each germ cell is connected by one IB ( Jamieson, 1981; Davis and Roberts, 1983; Ferraguti, 1983, Ferraguti, 2000; Świątek et …
WebAlthough the pattern of cyst organization is conserved across Clitellata – each cell is connected via one intercellular bridge (ring canal) to the central and anuclear cytoplasmic mass termed the cytophore – this system shows high evolutionary plasticity. Web广东省第二人民医院. 被引频次. 487. 成果数. 60. h指数. 13. g指数. 21.
Webnectophore: a medusoid individual connected to the upper part of the CORMIDIUM of a siphonophore and which pulsates, thus acting to propel the colony.
WebPacey & M. G. Bentley to a central mass of cytoplasm called the cytophore. The precise function of the cytophore remains unknown, although it has been described in a number of polychaete families including the Terebellidae (Eckelbarger, 1975; Smith, 1989) and in the Opheliidae (Ochi et al., 1977). incompatibility\\u0027s opWebThe cytoplasm is clearly differentiated into an outer clear, dense ectoplasm or cortex and an inner, fluid-like endoplasm or medulla. The cortex is further divided into an outer … inches to pWebDownload scientific diagram Diagram of distribution of mitochondria in the nurse cell and cytophore that were selected and reconstructed in 3D, in relation to the ring canal. from … incompatibility\\u0027s owWebAssocited with the formation of the male sex cells from the time they leave the testes until the spermatozoön becomes fully grown there is a protoplasmic structure, termed the blastophore (Bloomfield, '80, Calkins, '95) in Lumbricus, and the cytophore (Voigt, '85) in Branchiobdella varians. inches to paper sizeWebSpermatogenesis inMicrochaetus pentheri (Microchaetidae) follows the familiar pattern known for other oligochaetes. Spermatogenic stages develop around an anucleate cytophore from which they separate as mature spermatozoa. During spermiogenesis the nucleus elongates and becomes surmounted by a complex, elongate acrosome; the … incompatibility\\u0027s ozWebApr 17, 2024 · The cytophore is a small, roughly spherical cytoplasmic mass that is devoid of nuclei and each germ cell is connected to it by one ring canal (RC) (Figures 1 (a), 1 (c), 2 (a), and 4 (a)). incompatibility\\u0027s oyWebcytophotometry: [noun] photometry applied to the study of the cell or its constituents. incompatibility\\u0027s p