Results 171 to 180 of about 210,963 (260)

Cytokine secretion in squirrel monkeys

Psychoneuroendocrinology, 1997
The squirrel monkey, a non-human New World primate, has several endocrine peculiarities, including a 10-fold higher plasma cortisol concentration than Old World primates, such as man. Glucocorticoids are known to have immunomodulatory properties. We therefore measured cytokine levels in supernatants of in vitro cultures of mononuclear cells from the ...
Hinze-Selch, D., Müller-Preuss, P., Zhang, Y.   +2 more
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Sociophysiology of squirrel monkeys

American Journal of Primatology, 1991
AbstractPrimate sociophysiology is an emerging discipline concerned with understanding the proximate mechanisms that contribute to the generation and maintenance of species‐typical social systems. Studies of squirrel monkeys illustrate that sociophysiological processes are more varied than is commonly assumed with respect to both the effective social ...
Sally P, Mendoza, David M, Lyons, Wendy, Saltzman   +2 more
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Nocturnal sleep in squirrel monkeys

Electroencephalography and Clinical Neurophysiology, 1974
Abstract The nocturnal sleep records of three squirrel monkeys over 12 h sessions were examined for 7 consecutive nights. The sleep records were described in terms of the percentage of time in each of the stages of Awake. Stages 1.2.3 4 and REM. The mean percent time spent in sleep was 82.4″ ″ of the recording period.
P M, Adams, E S, Barratt
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Composition of Squirrel Monkey Milk

Folia Primatologica, 1972
The gross composition of normal squirrel monkey milk was (in g/100 ml): lipids, 5.1; crude protein (N × 6.38), 3.5; lactose, 6.3; and ash, 0.3. The lipids, proteins, and ash were further characterized. This milk had many similarities to milk from other primates, and was intermediate in total protein and lactose concentration between milks from Old ...
D H, Buss, R W, Cooper
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The Squirrel Monkey Stabil1metry

Acta Oto-Laryngologica, 1982
In order to characterize postural ataxia associated with peripheral vestibular lesions, we have developed a T-perch recording system suitable for squirrel monkeys (tree-living primates). This system includes strain gauges for detecting movement of the vertical shaft in the directions of anterior-posterior and left-right.
Makoto Igarashi, Joel K. Levy, Toshiaki O-Uchi, Walter B. Kulecz   +3 more
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Squirrel monkey

1992
Abstract Thorington (1985) classified animals in the genus Saimiri into two species; Saimiri sciureus, of which he proposed there are four subspecies: S.s.sciureus, S.s. cassiguarensis, S.s. boliviensis, and S.s. oerstedii, and S. madeirae. However, research on the taxonomy of Saimiri is continuing (for example, Van de Berg et al. 1987).
James K Kirkwood, Katherine Stathatos
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Intraprostatic spermatozoa in the squirrel monkey

The Prostate, 1988
AbstractThe recent observation of spermatozoa within the human prostate prompted this study to determine if spermatozoa were present in prostates of nonhuman primates. Six of 32 squirrel monkey prostates contained intraglandular spermatozoa. No associated pathologic lesions were found. Spermiophages were seen in one case.
G A, Nelson, J M, Scimeca, C A, Abee, W A, Gardner   +3 more
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Conceptual Numerousness Judgments by Squirrel Monkeys

The American Journal of Psychology, 1980
Two monkeys were reinforced for responding to the card which displayed fewer number of entities (three randomly selected sizes of filled circles) than the other card in any given pair. Area and brightness cues were controlled (at least for the successive numerousness discriminations), as were specific-pattern learning cues.
R K, Thomas, D, Fowlkes, J D, Vickery
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Middle Ear Epithelium of Squirrel Monkey

Acta Oto-Laryngologica, 1971
Detailed anatomical characteristics of normal middle ear epithelium and a topographical distribution of cell types are described for the squirrel monkey. The following cell types were classified by using electron microscopy: 1) ciliated tall cell; 2) ciliated small cell; 3) non-ciliated columnar or cuboidal cell; 4) non-ciliated thin cuboidal or flat ...
Y, Kaneko, F, Hiraide, M M, Paparella
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Sequential Amatching in the Squirrel Monkey

Psychological Reports, 1966
Three squirrel monkeys were trained to perform a sequential matching problem by use of a fading technique. One of three differently colored standard stimuli was presented on the left key when S responded on that key. A response on the right key then resulted in presentation of a comparison stimulus on the right.
D, Meltzer, G C, Maxey, N L, Merkler
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