Nematology , 2007, Vol. 9(2), 285-297 The somatic female gonad of Cephalobidae (Nematoda): cellular architecture and associated function Wim B ERT ∗ , Sandra V ANGESTEL , Wouter H OUTHOOFD , Ruben V AN G ANSBEKE and Gaëtan B ORGONIE Nematology Unit, Department of Biology, Ghent University, Ledeganckstraat 35, 9000 Ghent, Belgium Received: 6 December 2006; revised: 29 January 2007 Accepted for publication: 29 January 2007 Summary – The female reproductive system of the free-living nematode family Cephalobidae is examined by means of differential interference contrast, scanning electron and fluorescent microscopy. The model nematode Caenorhabditis elegans and the predatory nematode Prionchulus punctatus are also included in this study; the former mainly to test our results with the very detailed knowledge of this model organism, the latter to provide a representative of the more distantly related Enoplea. In this comparative approach, the analysed gonad structures are discussed with respect to their functional and phylogenetic significance. The general cellular composition of the cephalobid gonad – namely an oviduct comprising two rows of four cells, a distinctly offset spermatheca consisting of 8-16 cells, and a uterus composed of distinct cell rows – differs from all known Nematoda except that of the
Nematology – Brill
Published: Jan 1, 2007
Keywords: PARAMYOSIN; CYTOSKELETON; PROPULSION; ZELDIA; CAENORHABDITIS; CHILOPLACUS; CEPHALOBUS; ACROBELOIDES; PRIONCHULUS; GONODUCT
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