Results 51 to 60 of about 477,474 (266)

Effects of intermittent exposure to hypobaria and cold on the microarchitecture and morphofunctional profile of rat gastrocnemius muscle

open access: yesThe Anatomical Record, EarlyView.
Abstract Intermittent hypobaric hypoxia (IHH) enhances oxygen transport, muscle metabolism, and cardiovascular health; however, the combined effects of hypobaria and cold are less well understood. Exposure to these stressful environmental factors, even intermittently, can affect skeletal muscle due to its plasticity, thereby altering its metabolic and ...
Garoa Santocildes   +3 more
wiley   +1 more source

Pesquisa de terminologias e ontologias atuais em biologia e medicina

open access: yesRECIIS, 2009
Este documento apresenta o estado da arte das terminologias e ontologias aplicadas à Biologia e à Medicina. Sem a intenção de torná-lo inteiramente abrangente, descrevemos alguns dos recursos mais importantes que atualmente atraem interesse da indústria ...
Fred Freitas   +2 more
doaj   +1 more source

Dental crown morphological variation and heterodonty in carcharhiniform sharks

open access: yesThe Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

Dançando com a ambiguidade

open access: yesAmbivalências
Os leitores deste artigo são convidados a dançar com a ambiguidade, ou seja, a se envolver com as incertezas inerentes à complexa rede relacional sistêmica que constitui a vida na Terra. Ao considerarmos as dimensões cultural, biológica e linguística que
Pille Bunnell
doaj   +1 more source

Parâmetros da fase de vida livre de Rhipicephalus sanguineus (Latreille, 1806) (Acari: Ixodidae): adaptado ao clima subtropical

open access: yesArquivos do Instituto Biológico
Rhipicephalus sanguineus é considerada a espécie de ixodídeo mais prevalente no mundo e foi introduzida no meio urbano pelo cão doméstico, seu principal hospedeiro. O presente estudo teve por objetivo conhecer o desempenho biológico da fase de vida livre
Cíntia Lidiane Guidotti Aguiar   +5 more
doaj   +1 more source

Nous primats de l'Eocè de la Península Ibèrica : implicacions filogenètiques i paleobiogeogràfiques / [PDF]

open access: yes, 2013
Restes de primats de l'Eocè han estat recuperades de diferents jaciments de la Península Ibèrica des de la dècada de 1960, tot i que el seu estudi ha estat escàs des d'aleshores.
Marigó Cortés, Judit   +1 more
core   +1 more source

Suitability of leguminous cover crop pollens as food source for the green lacewing Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae). [PDF]

open access: yes, 2006
Diversification of crops with species that provide suitable pollen for predators may reduce pest population on crops by enhancing predator effectiveness.
Euzébio, Denise E.   +4 more
core   +2 more sources

Unraveling ovarian histology: The key morphological aspects that spur the development of the Fossa ovarii in equine

open access: yesThe Anatomical Record, EarlyView.
Abstract The equine ovary exhibits unique structural and developmental features that distinguish it from those of other domestic species, including the presence of an ovulation fossa and an inversion of cortical and medullary layers. This study aimed to investigate the morphostructural development of the equine fetal ovary, with particular emphasis on ...
Laura Ver Goltz   +5 more
wiley   +1 more source

Biology of Trypanosoma cruzi: An update Biología del Trypanosoma cruzi: Actualización

open access: yesInfectio, 2012
Chagas disease, an illness caused by the protozoan Trypanosoma cruzi, is clinically and epidemiologically important in Latin America, and particularly in Brazil.
André Vianna Martins   +9 more
doaj  

Laboratório de Biologia. [PDF]

open access: yes, 2015
Laboratório de Biologia.info:eu-repo/semantics ...
Coelho, M.T.   +3 more
core  

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