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Biomedical subjects

S H Weisbroth

Publications and source records attributed to S H Weisbroth.

At least 37 records · Page 2Linked to original sources

Sialocele (ranula) simulating oral papillomatosis in a domestic (Oryctolagus) rabbit.

A sialocele originating in the duct of the sublingual salivary gland near its opening, close to the lingual frenulum, was observed as a naturally-occurring lesion in a laboratory rabbit. The lesion was assumed during necropsy dissection to be an oral papilloma. Microscopic examination of histologic sections revealed the lesion to have the characteristics of a sialocele (ranula).

Animals↗

Naturally occurring hypertrophic pyloric stenosis in the domestic rabbit.

Hypertrophic pyloric stenosis was observed to occur naturally in laboratory rabbits. Three cases in juvenile and adult rabbits and their antemortem histories were examined. The gross and microscopic pathology were studied. It was shown that not only the pylorus, but the stomach as a whole was increased in size both relatively and absolutely. The thickness of the pylorus was doubled, but its circumference was not increased, in hypertrophic stenosis. The chief histologic finding was hypertrophy of circular and longitudinal smooth muscles and their enveloping fascia. The myenteric plexi were essentially normal in appearance. The literature on a similar condition in man, dog, and cat was reviewed.

Animals↗

The parasitic ecology of the rodent mite Myobia musculi. II. Genetic factors.

Mice of 4 strains, C57BL/6J, CD2F1(BALB/cCum female times DBA/2Cum male), BRVR/SrCr and BSVS/SrCr, were monospecifically infested with an equal number of Myobia musculi. A single skin field (7mm diam) in the dorsal midline slightly posterior to the eyes was used for periodic observation of mite populations. Mite counts were made by direct microscopic examination of the skin field at 10-da intervals. Data were obtained on mice thus infested and observed for 130 da. Between-strain comparisons differed significantly in the number of Myobia maintained in all cases except between BRVR and BSVS strains. Factors bearing on heritable differences in susceptibility were discussed.

Animals↗