Results 51 to 60 of about 599,748 (243)

CARACTERÍSTICAS MORFOLÓGICAS DO CORDÃO UMBILICAL

open access: yesRevista Científica da Faculdade de Medicina de Campos, 2016
Introdução: Os tecidos do cordão umbilical contêm células-tronco hematopoéticas e mesenquimais com potencial de diferenciação multipotente relacionadas a uma variedade de propostas terapêuticas.
G. C. Malheiros   +1 more
semanticscholar   +1 more source

Foxes as pets: Case study of the Fuegian Dog and its relationship to extinct Indigenous cultures

open access: yesJournal of Zoology, Volume 327, Issue 1, Page 5-18, September 2025.
This is a rare glimpse into the historical past of the zoologically mysterious Fuegian Dog that lived with early Holocene Indigenous groups on the island of Tierra del Fuego. Records of the animal's appearance and behavior kept by early explorers, artists and scientists who travelled to the tip of South America, plus the genetics and archaeological ...
W. L. Franklin
wiley   +1 more source

Características morfológicas del triatleta según sexo, [PDF]

open access: yes, 2014
El triatlón combina 3 modalidades deportivas de resistencia y necesita unas características físicas para optimizar el rendimiento de cada segmento. El objetivo fue determinar el perfil morfológico del triatleta.
Amestoy, Javier Alejandro   +4 more
core  

Características morfológicas de Urochloa brizantha cv. Marandu adubadas com silício na aplicação do calcário

open access: yes, 2017
O experimento foi implantado no viveiro de mudas da Prefeitura de Descalvado (SP). Teve por objetivo avaliar caracteristicas morfologicas de Urochloa brizantha cv.
K. Brennecke   +2 more
semanticscholar   +1 more source

Shearing Tooth Morphology May Allow Sharks to Access Higher Trophic Levels at Smaller Sizes

open access: yesEcology and Evolution, Volume 15, Issue 8, August 2025.
Predator morphology imposes limitations on prey selection due to biomechanical constraints, making some prey functionally inaccessible and thereby constraining predator trophic niches. We assessed how two key components of trophic morphology—tooth shape and body size—affect prey selectivity and trophic niche in two sympatric sharks with contrasting ...
Sabrina Riverón   +7 more
wiley   +1 more source

Características morfológicas da casca do ovo de avestruz

open access: yesPesquisa Veterinária Brasileira, 2012
A análise morfológica da casca do ovo da avestruz é importante, pois diversos fatores morfológicos podem estar relacionados com a eclodibilidade do ovo desta espécie no Brasil.
Juliana P. Gamba   +3 more
doaj   +1 more source

Qualidade de mudas de quatro espécies florestais produzidas em diferentes tubetes [PDF]

open access: yesFloresta e Ambiente, 2023
Resumo Avaliou-se a qualidade de mudas de Anadenanthera macrocarpa Benth. Brenan, Schinus terebinthifolius Raddi, Cedrela fissilis Vell. e Chorisia speciosa St. Hill, produzidas em tubetes com volumes de 280, 180, 115 e 56 cm3.
Paulo Sérgio dos Santos Leles   +4 more
doaj  

Gill evolution in Neotropical electric fishes: Comparative phylogenetic evidence for hypoxia‐driven adaptation

open access: yesFunctional Ecology, Volume 39, Issue 8, Page 1940-1956, August 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Tropical freshwater fishes are often exposed to hypoxia, which limits aerobic metabolism and drives the evolution of diverse physiological, behavioural and morphological adaptations.
William G. R. Crampton   +4 more
wiley   +1 more source

Cristalización de cloruros en materiales cerámicos. I Características morfológicas [PDF]

open access: yes, 1998
Depto. de Mineralogía y PetrologíaFac.
Benjouali, Mina   +2 more
core   +1 more source

Temporal Dynamics of a Neotropical Plant‐Hummingbird Interaction Network

open access: yesAustral Ecology, Volume 50, Issue 7, July 2025.
Using an unprecedented sampling effort we evaluated network structure and dynamics of plant‐hummingbird interactions over 1 year in the Brazilian hyperdiverse Campos Rupestres. Network structure presented remarkable temporal change, showing that tropical communities can also be strongly influenced by climate.
Steffani N. P. Queiroz   +7 more
wiley   +1 more source

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