Base de dados : MEDLINE
Pesquisa : B01.050.150.900.649.313.988.400.600.150.710 [Categoria DeCS]
Referências encontradas : 2 [refinar]
Mostrando: 1 .. 2   no formato [Longo]

página 1 de 1

  1 / 2 MEDLINE  
              next record last record
seleciona
para imprimir
Fotocópia
PMID:9140542
Autor:Nakatsukasa M; Takai M; Setoguchi T
Endereço:Laboratory of Physical Anthropology, Faculty of Science, Kyoto University, Japan. nakatsuk@anthro.zool.kyoto-u.ac.jp
Título:Functional morphology of the postcranium and locomotor behavior of Neosaimiri fieldsi, a Saimiri-like Middle Miocene platyrrhine.
Fonte:Am J Phys Anthropol; 102(4):515-44, 1997 Apr.
ISSN:0002-9483
País de publicação:United States
Idioma:eng
Resumo:A number of postcranial specimens of Neosaimiri fieldsi, a Middle Miocene platyrrhine, were discovered in 1988, 1989, and 1990 at La Venta, Colombia. Until recently only three postcranial specimens of this species had been discovered and the present material adds further information about this taxon's postcranial morphology. In overall skeletal dimensions and in postcranial features, Neosaimiri is most similar to Saimiri among extant medium-sized platyrrhines, but differs from Saimiri in having more rugose surface markings, a longer olecranon, a smaller anterior process of the distal tibia, an absence of a distal surface extension on the anterior tibial shaft, an absence of an anterior midtrochlear depression of the talus, and a shorter distal calcaneus relative to the calcaneal tuberosity. These differences suggest that Neosaimiri was relatively heavily built, possessed a more dominant forelimb in quadrupedal progression, and utilized a less stabilized upper ankle joint, and a shorter power arm for plantarflexion. Neosaimiri is interpreted as an arboreal quadruped with frequent leaping across arboreal gaps, as in extant Saimiri, with perhaps less frequent running and leaping than in Saimiri. As with the dentition, the postcranial specimens suggest the close relationship between Neosaimiri and extant Saimiri.
Tipo de publicação: COMPARATIVE STUDY; JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T


  2 / 2 MEDLINE  
              first record previous record
seleciona
para imprimir
Fotocópia
PMID:7485439
Autor:Hartwig WC
Endereço:Department of Anatomical Sciences, State University of New York, Stony Brook 11794, USA.
Título:Effect of life history on the squirrel monkey (Platyrrhini, Saimiri) cranium.
Fonte:Am J Phys Anthropol; 97(4):435-49, 1995 Aug.
ISSN:0002-9483
País de publicação:United States
Idioma:eng
Resumo:Among primates, squirrel monkeys uniquely possess an interorbital fenestra, in which the midline bony orbitosphenoid septum is largely absent and the soft tissues of the orbits are separated only by a thin membrane. Neural development may contribute to the approximation of the orbits to the midline in Saimiri, insofar as other platyrrhines with relatively large brains also have relatively narrow interorbital spaces compared to their near relatives. In Saimiri the narrow spacing of the orbits is further exacerbated by intense predation pressure on infants that may select for precocial neonates. The result is a large-headed neonate that is subject to unusual parturition constraints. These parturition constraints apply to the size and dolichocephalic shape of the squirrel monkey head in general, and to the relatively large eyes and approximated orbits in particular. The unique interorbital condition in Saimiri is an example of the effects of life history on skeletal morphology.
Tipo de publicação: COMPARATIVE STUDY; JOURNAL ARTICLE



página 1 de 1
   


Refinar a pesquisa
  Base de dados : MEDLINE Formulário avançado   

    Pesquisar no campo  
1  
2
3
 
           



Search engine: iAH v2.6 powered by WWWISIS

BIREME/OPAS/OMS - Centro Latino-Americano e do Caribe de Informação em Ciências da Saúde