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Inbred Strains of Rats: TW

TW

Inbr. F49.

Colour: Albino.

Genet. a, c, h.

Origin: Wistar Imamichi outbred stock. Testicular hypoplasia (unilateral or bilateral) with aplasia of the epididymus and ductus deferens in about 50% of males. Female genital organs are normal (Ikadai et al 1985, Ajisawa et al 1985).

Ajisawa C., Ikadai H., and Imamichi T. (1985) Morphological study on the hypoplastic testis with aplasia of the epididymis, ductus deferens, and gland of the ductus deferens in the TW inbred rat. Exp. Animals (Japan) 34, 189-195.

Ikadai H., Sukuma Y., Suzuki K., and Imamichi T. (1985) Congenital abnormalities of the male genital organs in the newly established TW rat strain. Congenit. Anom. 25, 65-71.

INBRED STRAINS OF RATS
Updated 9 Apr. 1998
Michael FW Festing
MRC Toxicology Unit, Hodgkin Building,
University of Leicester, UK
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