Results 41 to 50 of about 11,743 (254)

Apomixis in Genista salzmannii DC. (Fabaceae) [PDF]

open access: yes, 1991
Genista apomixis is described for the first time in two populations of Genista salzmannii DC.: the first is diploid and the second one tetraploid. There was no female meiosis and the megaspore mother cell functioned as an unreduced megaspore, which led ...
Diana, Silvana   +1 more
core  

Acute Toxicity and Genotoxicity of cMoL, a Lectin From Moringa oleifera Seeds With Antifungal Activity Against Cryptococcus Strains

open access: yesJournal of Applied Toxicology, Volume 46, Issue 2, Page 682-696, February 2026.
ABSTRACT Coagulant Moringa oleifera lectin (cMoL) is one of the compounds involved in the application of M. oleifera seeds for traditional water treatment methods. The present study highlights the new biotechnological potential of cMoL lectin as an antifungal agent against Cryptococcus neoformans B3501 and H99 and Cryptococcus gattii R265 strains ...
Matheus Cavalcanti de Barros   +16 more
wiley   +1 more source

Determinação da dose inseminante e embriogênese na fertilização artificial de tambaqui (Colossoma macropomum)

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013
Determinou-se a dose inseminante para fertilização artificial e descreveu-se o desenvolvimento embrionário de tambaqui (Colossoma macropomum). Os gametas foram coletados de reprodutores induzidos hormonalmente.
L.V. Leite   +6 more
doaj   +1 more source

Ensino-aprendizagem de embriologia na visão de estudantes de licenciatura em Ciências Biológicas de uma universidade pública brasileira

open access: yesRevista Insignare Scientia, 2022
Este estudo objetivou relatar a opinião de estudantes de Licenciatura em Ciências Biológicas de uma universidade pública brasileira acerca do ensino-aprendizagem de Embriologia no Ensino Médio e no Ensino Remoto Emergencial (ERE) em decorrência da ...
Deyla Paula de Oliveira   +4 more
doaj   +1 more source

High‐Resolution Ultrasound of Clinically Relevant Sensory Nerves of the Arm and the Forearm

open access: yesJournal of Ultrasound in Medicine, Volume 44, Issue 12, Page 2209-2228, December 2025.
Technological advancements in ultrasound systems, particularly the development of high‐ and ultra‐high‐frequency transducers, now allow for the detailed evaluation of sub‐millimetric sensory nerves in the upper limb, extending to their distal branches. This provides invaluable insights in patients with suspected neuropathies.
Federico Zaottini   +9 more
wiley   +1 more source

High origin of the deep femoral artery: a case report and literature review Origem alta da artéria femoral profunda: relato de caso e revisão da literatura

open access: yesJornal Vascular Brasileiro, 2011
Arterial variations of the femoral triangle are rarely reported in the literature. In the present article, we have reported a case of high origin of the deep femoral artery, which was originating just lower to the inguinal ligament.
Vishal Kumar   +3 more
doaj   +1 more source

Presence of N-acetylneuraminic acid in the lung during postnatal development

open access: yesEuropean Journal of Histochemistry, 2020
Sialic acids, particularly N-acetylneuraminic acid (Neu5Ac), are present as terminal components of rich and complex oligosaccharide chains, which are termed glycans, and are exhibited on the cell surfaces, especially on epithelial cells.
Maria de Fátima Martins   +3 more
doaj   +1 more source

Morphology and functionality of the type II pneumocytes and their variation in relation to bovine gestational age [PDF]

open access: yes, 2009
Este estudo objetivou caracterizar a presença de pneumócitos tipo II e o início da produção de lipoproteína surfactante em bovinos, correlacionando a idade gestacional com a síntese de surfactante durante o desenvolvimento fetal.
ALBERTO, Miryan Vilia   +8 more
core   +2 more sources

Pyriproxyfen Disrupts the Ongoing Spermatogenesis Wave in Danio rerio Potentially Mediated by Voltage‐Dependent Calcium Channels and Protein Kinase C

open access: yesJournal of Applied Toxicology, Volume 45, Issue 9, Page 1705-1719, September 2025.
ABSTRACT Pyriproxyfen (PPX) is an analog of the juvenile hormone from insects. Following our previous studies, for the ex vivo short‐term effect, we chose 10−9 M pyriproxyfen to analyze the morphology of spermatogenesis wave cells. In silico docking and ADMET (Absorption, Distribution, Metabolism, Excretion, Toxicity) studies were carried out to ...
Bruna Antunes Zaniboni   +5 more
wiley   +1 more source

Seios maxilares — metodização para seu exame radiográfico

open access: yesRevista da Faculdade de Odontologia de Porto Alegre, 1985
O presente trabalho apresenta revisão da embriologia, desenvolvimento, histologia, função e anatomia dos seios maxilares, objetivando estabelecer uma rotina para o exame radiográfico dos mesmo.
Marilá Gerhardt de Oliveira   +1 more
doaj   +7 more sources

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