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Description: | P (presumably the specimen identification). Imutagenic Eradiated {irradiated] 3200r [rads] 7-XII fixed 16-XII (comment on the fact that the specimen has not undergone mutation after irradiation). MANU PONTERCORVO,Guido. circa 1943 Glasgow University, Glasgow, Scotland. These are specimens of the testes or ovaries of *Pediculus humanus* the body louse named *Pediculus corporus* by Pontecorvo. They are imbedded in paraffin wax.
The fixative was possibly Langlet's modified Navashin fluid. A chromic acid, acetic acid, formalin solution.
Nils Abraham Langlet (1868-1936) Swedish chemist. Sergei Gavrilovich Navashin (1857-1930) Russian biologist.
The stain was possibly one of the various preparations based on hematoxylin (Natural Black 1, derived from the logwood tree *Hematoxylon campechianum*)
The material is associated with a paper on fundamental studies of spermatogenesis and sex ratio in the human louse, Hindle and Pontecorvo, 1942. Pontecorvo fed the animals on his own blood. The specimens were x-rayed but no date is given but presumably some time between December 1942 and February 1944.
Wrapped together they are part of either series II, III or IV the package was not labelled but the specimens were listed as part of the contents of the box, in which they were found. | License: | http://www.hmag.gla.ac.uk/spirit/rights/ | Publisher: | Hunterian Museum and Art Gallery, University of Glasgow | Rights holder: | Hunterian Museum and Art Gallery, University of Glasgow | Subjects: | SCIENTIFIC COLLECTION : | Source: | Hunterian Museum | Creator: | Hunterian Museum and Art Gallery, University of Glasgow | Identifier: | http://www.huntsearch.gla.ac.uk/cgi-bin/... | Language: | en-GB | Go to resource |
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