male (mal)

1. In zoology, denoting the sex to which those belong that produce spermatozoa; an individual of that sex. 2. masculine [L. masculus, fr. mas, male]
genetic human m. 1. an individual with a karyotype containing a Y chromosome; 2. an individual whose cell nuclei do not contain Barr sex chromatin bodies, which are normally present in females. Patients with ambiguous sexual development and those with Turner's syndrome are classed as genetic m.'s or genetic females according to the absence or presence of Barr bodies even though their sex chromosome complement may suggest otherwise.
XX m. a clear male phenotype in the presence of a 46,XX karyotype; presumably the vital parts of the Y chromosome are located elsewhere in the genome as a result of translocation at least in some of these persons.
XXY m. See Klinefelter's syndrome.
XYY m. See XYY syndrome.


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