Cytophore
Webcystophore: [noun] the branched stalk that bears the cysts of myxobacteria. WebApr 1, 2013 · Fragments of the cytophore are encircled. (B and C) Cross-sections through the distal end of the ovary (zone III). Nurse cells (nc) and oocytes (o) connected to the cytophore (cy, cytophore margins are indicated by a dotted line) via ring canals (arrowheads) are visible; around the ovary, a thin envelope is formed by somatic cells …
Cytophore
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WebAssocited 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. WebSpermatogenesis 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 …
Web154918 (urn:lsid:marinespecies.org:taxname:154918) Classification. Biota; Animalia (Kingdom); Annelida (Phylum); Polychaeta (Class); Sedentaria (Subclass ... 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 …
Webone cytophore with associated dividing presumptive spermatogonia, lying free in the lumen of the testicular tubule, was examined with TEM (Fig. 6). An exact count of the number of dividing cells was not possible from serial sections, but at … WebThe 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 …
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 …
Webnectophore: a medusoid individual connected to the upper part of the CORMIDIUM of a siphonophore and which pulsates, thus acting to propel the colony. can depression prevent you from sleepinghttp://www.sapub.org/global/showpaperpdf.aspx?doi=10.5923/j.zoology.20120245.02 fish oil lowest oxidationWebDec 20, 2016 · The male germ cysts in an earthworm D. veneta. Spermatids (sp) are clustered around the cytophore (cy). Each germ cell is connected to the cytophore via … can depression occur in childhoodWebCytopore 1 Microcarriers. Particle Size (Metric) 230 μm, Spherical. For Use With (Application) Optimized for growth of r-CHO in stirred tank cultures but is applicable to cell lines requiring similar surface charge. Material. Cross … can depression memory loss be reversedWebAssocited 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 … can depression manifest itself physicallyWebPacey & 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). fish oil make you smellhttp://article.sapub.org/10.5923.j.zoology.20130302.01.html can depression stem from hormonal imbalance