Results 161 to 170 of about 4,254 (200)

Cytogenetics of the squirrel monkey (Saimiri sciureus)

1975
Squirrel monkeys occur in nature in widely separated geographic regions of Central and South America. These animals are of value in many aspects of biomedical research for which purposes they have been imported into the United States and Europe and are being reproduced in breeding colonies on both of these continents.
T C, Jones, N S, Ma
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Social Preference of the Squirrel Monkey (Saimiri sciureus)

Folia Primatologica, 1973
Adult squirrel monkeys that had lived as a colony for 4 years were presented both during the fatted breeding season and during the nonfatted season with the choice of approaching one of two members of the group or remaining alone. Season affects the magnitude but not the direction of social preference.
D K, Candland, D S, Tyrrell, D S, Wagner, N M, Wagner   +3 more
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Ascites production in the squirrel monkey (Saimiri sciureus)

Journal of Immunological Methods, 1981
A method is described for inducing the production of large amounts of ascitic fluid (AF) in the squirrel monkey Saimiri sciureus. The total amount of protein in the induced AF is close to 60% of that in the serum. Electrophoretic analysis of serum and AF samples from the same monkey revealed similar protein patterns, including gamma globulins. Antibody
J, Gysin, T, Fandeur
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Saimiri sciureus (Squirrel monkey)

1973
The karyotypes shown are a gift of Dr. T. C. Jones (New England Regional Primate Research Center, Southborough, Massachusetts) and were prepared from lymphocyte cultures. The two recognized phenotypes also differ in karyotype: the male came from Leticia (Colombia), and the female, from Iquitos (Peru).
T. C. Hsu, Kurt Benirschke
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Morphology of the Interorbital Region of Saimiri sciureus

Folia Primatologica, 1983
The skull of the platyrrhine primate Saimiri sciureus is distinguished by a large interorbital fenestra. Juvenile skulls still show a bony interorbital septum with some small gaps. A morphogenetic study was undertaken to better understand the structures of the interorbital region, which represents a linkage between the base of the braincase and the ...
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The Thatcher illusion in squirrel monkeys (Saimiri sciureus)

Animal Cognition, 2012
Like humans, Old World monkeys are known to use configural face processing to distinguish among individuals. The ability to recognize an individual through the perception of subtle differences in the configuration of facial features plays an important role in social cognition.
Ryuzaburo, Nakata, Yoshihisa, Osada
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Play Vocalizations of Squirrel Monkeys (Saimiri sciureus)

Folia Primatologica, 1986
Vocalizations occurring during play bouts were studied in 2 pairs of young male squirrel monkeys. Two main call types, one having four variants, are described. Vocalization rate varied with the type of ongoing behavior and with play bout duration, an association considered to be indicative of motivation to play.
M, Biben, D, Symmes
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Perception of chasing in squirrel monkeys (Saimiri sciureus)

Animal Cognition, 2015
Understanding the intentions of others is crucial in developing positive social relationships. Comparative human and non-human animal studies have addressed the phylogenetic origin of this ability. However, few studies have explored the importance of motion information in distinguishing others' intentions and goals in non-human primates.
Takeshi, Atsumi, Yasuo, Nagasaka
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Ureteral Reflux in the Squirrel Monkey (Saimiri sciureus)

American Journal of Veterinary Research, 1971
SUMMARY Twenty urinary samples obtained from 4 female squirrel monkeys (Saimiri sciureus) were measured. The volume of individual urinary samples ranged between 3 and 7.9 ml. (mean 4.415 ml. ± 1.45). Cystograms were prepared in 6 female squirrel monkeys to study ureteral reflux. Bilateral ureteral reflux was observed in 4 of 6 monkeys.
D P, Sinha, T B, Clarkson
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Fertilization in vitro of Saimiri sciureus Follicular Oocytes

Journal of Medical Primatology, 1975
An in vitro fertilization system was developed for the squirrel monkey. Oocytes recovered from follicles of gonadotropin-treated females and cultured in vitro with spermatozoa resulted in fertilized ova capable of developing to the four-cell stage in culture.
T J, Kuehl, W R, Dukelow
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