A Pereira-Vega, JL Sánchez Ramos, R Vázquez Oliva, JA Maldonado Pérez, M Alwakil Olbah, M Montero Fernández, I Vázquez Rico, JL Robles Rodríguez, JM Ignacio García, P Romero Palacios, JF Medina Gallardo 1 Pneumology Section, Hospital Juan Ramón Jiménez de Huelva, Huelva, Spain Department of Nursing, University of Huelva, Campus del Carmen, Huelva, Spain Pneumology Section, Hospital Infanta Elen...

The terms pseudo-hermaphroditism and hermaphroditism have been used in different senses by various authors and for this reason they were discarded by Wilkins (1950). He describes as 'intersexes' (hermaphrodites) those cases in which the sexual dimorphism is not due to a demonstrable endocrine abnormality, and as cases of 'sex reversal' those in which there is an endocrine abnormality. Hormonal ...

Most nematodes have XO male/XX female sex determination. C. elegans is anomalous, having XX hermaphrodites rather than females. The hermaphrodite condition appears to result from the modification of a basic male/female sex-determination system, which permits both spermatogenesis and oogenesis to occur within a female soma. This modification is achieved by a germ-line-specific control acting at ...