Dose-survival time response of Suncus murinus from whole-body irradiation.

Tsubouchi, Susumu; Kano, Eiichi; Oda, Sen-ichi

doi:10.1269/jrr.25.234

Cited by 2 publications

(2 citation statements)

References 8 publications

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“…The animal eats insects and worms and has nocturnal habits. Since 1977, when Oda andKondo [1977] domesticated S. murinus as a new laboratory animal, valuable information concerning its biological features has been accumulating [Maita et al, 1981;Iwasaki and Sato, 1982;Itami and Takayasu, 1983;Matsumoto and Hirosawa, 1983;Iseki and Kondo, 1984;Nagai et al, 1984;Tsubouchi et al, 1984;Tsuji and Ishikawa, 1984]. While there is an anatomical description of the soft palate and pharynx of this animal [Sharma, 1958], no detailed analysis of the palatine musculature has been presented.…”

Section: Introductionmentioning

confidence: 99%

Structure of the Palate and Pharynx in the House Musk Shrew <i>(Suncus murinus)</i>

Yoshida

Kitoh²,

Yanagita

2002

Cells Tissues Organs

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Anatomical features of the palates and pharynges in Suncus murinus were examined through a dissecting microscope. The palatopharyngei (PP) on both sides join at the caudal, median line of the palatine velum and converge in an area immediately caudal to a mucosal notch, the pharyngeal torus before radiating into the dorsal wall of the esophagus. Some muscle bundles of the PP are attached to the veli palatini cartilage. The nasopharyngeal cartilage is situated rostral to curved mucosal plicae of the palatine velum. The pharyngeal torus interlocks with the rostrally lying corniculate tubercles. The structural relationships of the corniculate tubercles, pharyngeal torus and PP suggest that muscular tension of the PP sustains the epiglottis and retains it in the nasopharynx, i.e. the PP acts as a circumscribed sphincter around the epiglottis and establishes a short, secure air passageway to the larynx. The nasopharyngeal and veli palatini cartilages could keep the passageway in shape.

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Section: Introductionmentioning

confidence: 99%

Structure of the Palate and Pharynx in the House Musk Shrew <i>(Suncus murinus)</i>

Yoshida

Kitoh²,

Yanagita

2002

Cells Tissues Organs

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“…In this study, we investigated whether one male house musk shrew could impregnate many fe-House musk shrews have many unique characteristics as an experimental animal. For example, they are sensitive to motion sickness [6], the structure of their canalis alimentarius is more similar to that of human beings than rats or mice [7], and they are more resistant to X-rays than C3Hf/He mice as measured by disorder of bone-marrow [10]. House musk shrews have several important uses as disease models of motion sickness and gastric cancer, and it is anticipated that they will become a model in the field of hematopoietic studies.…”

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confidence: 99%

Copulatory Behavior and Fertility of Male House Musk Shrews (Suncus murinus) Paired with One, Two and Four Females Each

2004

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Abstract:In order to improve the productivity of house musk shrews, we investigated whether a male could impregnate more than one female within 24 h. Eighteen males and 40 females aged one year were used in this experiment. The mating systems were as follows: one male was paired with one female, one male was paired with two females, and one male was paired with four females. In the fertility rate, six out of 6, 4 of 12 and 4 of 20 females became pregnant and gave birth under three systems, respectively. In the copulatory behavior, numbers of intromissions and ejaculations were more in the 1:1 mating group as compared with the 1:2 and 1:4 groups. We conclude that it is possible for a male to impregnate about one female within 24 h.

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Dose-survival time response of Suncus murinus from whole-body irradiation.

Cited by 2 publications

References 8 publications

Structure of the Palate and Pharynx in the House Musk Shrew <i>(Suncus murinus)</i>

Structure of the Palate and Pharynx in the House Musk Shrew <i>(Suncus murinus)</i>

Copulatory Behavior and Fertility of Male House Musk Shrews (Suncus murinus) Paired with One, Two and Four Females Each

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