Results 31 to 40 of about 8,419 (196)
Cardiovascular Plasticity and Adaptation of High‐Altitude Birds and Mammals
Integrative Zoology, EarlyView.This schematic depicts the cardiovascular adaptations of mammals and birds to high‐altitude hypoxia. It highlights key phenotypic changes in oxygen transport and cardiac responses, driven by molecular mechanisms including transcriptional regulation and genetic modifications.
Huishang She, Yanhua Qu
wiley +1 more source
DOSSIER: Osteometría de camélidos sudamericanos
Revista del Museo de Antropologia, 2009 La identificación de elementos óseos y su asignación a una especie animal concreta es un tema central para la zooarqueología. Por ello desde la década de 1970 se han estudiado las diferencias morfométricas que permiten la diferenciación de especies que ...
Andrés D. Izeta
doaj +5 more sources
Grassland Science, EarlyView.Abstract High Andean grasslands are vulnerable to changes in their nutritional quality and carbon sequestration capacity, especially in grazing systems. This study evaluated soil quality and native grasses by measuring carbon, physicochemical parameters, and the nutritional quality of predominant species in the wet Puna of Junín, Peru.
Alberto Arias‐Arredondo +5 more
wiley +1 more source
Analysis of cytogenetic differentiation in selected species of the family Camelidae: Vicugna pacos and Vicugna vicugna [PDF]
Acta fytotechnica et zootechnica, 2016 The aim of this study was to analysis of cytogenetic differentation in two species: Vicugna pacos and Vicugna vicugna . Cytogenetic analysis based on blood culture technique. Blood culture were set up in culture medium Limphogrow and Lymphochrome. The cells growth, after 71 hours, was kept in metaphase using colcemid.
openaire +1 more source
Orexin A-Mediated Modulation of Reproductive Activities in Testis of Normal and Cryptorchid Dogs: Possible Model for Studying Relationships Between Energy Metabolism and Reproductive Control [PDF]
, 2019 Orexin A (OxA) is a neuropeptide produced in the lateral hypothalamus that performs pleiotropic functions in different tissues, including involvement in energy homeostasis and reproductive neuroendocrine functions.
Annunziata, Chiara +5 more
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The Neocolonial Tightening of CITES: How Northern Narratives Marginalize Southern Conservation
Conservation Letters, Volume 19, Issue 2, March/April 2026.ABSTRACT CITES has demonstrated a persistent trend of regulatory tightening over five decades, raising critical questions about both equity and effectiveness in global conservation governance. This study examines how structural power imbalances and dominant Northern narratives within the Convention have systematically marginalized pluralistic ...
Youmin Lian, Md. Ziaul Islam
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Journal of Veterinary Research, 2022 The alpaca (Vicugna pacos) is a camelid native to South America, but the species has wide distribution outside its natural habitat and is found in various countries on other continents, Poland being one in Europe.
Maria Pyziel-Serafin Anna +5 more
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Localization of orexin B and orexin-2 receptor in the rat epididymis [PDF]
, 2018 The peptides orexin A (OXA) and orexin B (OXB) derived from the proteolytic cleavage of a common precursor molecule, prepro-orexin, were originally described in the rat hypothalamus.
Alfredo Vittoria +8 more
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Severe hyperglycaemia associated with prolonged isoflurane anaesthesia in an alpaca (Vicugna pacos)
Veterinary Record Case Reports, Volume 14, Issue 1, February 2026.Abstract Alpacas possess distinct glucose and insulin regulatory mechanisms compared with other species, often maintaining higher baseline blood glucose as a normal physiological adaptation. Inhalant anaesthetic agents can further disrupt glucose, insulin and potassium homeostasis, particularly during prolonged procedures.
Andrea Basler +3 more
wiley +1 more source
Tres miradas sobre una escápula arqueológica de vicuña procedente de un sitio cordillerano (ARQ18, San Juan, Argentina) [PDF]
, 2017 Este trabajo se inserta en un proyecto mayor de investigación que tiene como objetivo principal contribuir al conocimiento de la subsistencia humana en el Centro-Oeste argentino. Especialmente, se refiere al aprovechamiento de camélidos, estableciendo la
Gasco, Alejandra Valeria +1 more
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