Results 61 to 70 of about 16,548 (278)
Development of the early axon scaffold in the rostral brain of the small spotted cat shark (Scyliorhinus canicula) embryo [PDF]
, 2014 International audienceThe cat shark is increasingly used as a model for Chondrichthyes, an evolutionarily important sister group of the bony vertebrates that include teleosts and tetrapods.
Schubert, Frank +2 more
core +5 more sources
Journal of Morphology, Volume 287, Issue 2, February 2026.Electron microscopy of Potamotrygon motoro spermatozoa. a – Illustration of a schematic sperm cell depicting the helical head, intermediate piece (midpiece), and flagellum. b ‐ Helical heads (Hh) of spermatozoa inserted into the cytoplasm of Sertoli cells (S) through openings in the plasma membrane. Scales: 10 μm.
Maria Luiza Ribeiro Delgado +6 more
wiley +1 more source
Revista de Biología Tropical, 2008 We compared the geographic distribution of groups of chondrychthid fishes of two physically proximal, although geographically different, regions that include the Juan Fernández seamounts and the central Chilean continental slope, both sampled at ...
Isabel Andrade, Germán Pequeño
doaj +2 more sources
DISTRIBUTION OF PIGMENT CELLS IN THE HEART OF THE RABBITFISH, CHIMAERA MONSTROSA (CONDRICHTHYES: HOLOCEPHALI) [PDF]
, 2013 El resumen aparece en el Program & Abstracts of the 10th International Congress of Vertebrate Morphology, Barcelona 2013. Anatomical Record, Volume 296, Special Feature — 1: P-076.The study of extracutaneous cells producing and storing melanin is of ...
Durán, Ana C. +5 more
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Resegmentation is an ancestral feature of the gnathostome vertebral skeleton [PDF]
, 2020 © The Author(s), 2020. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Criswell, K. E., & Gillis, J. A.
Criswell, Katharine E. +1 more
core +1 more source
Environmental Microbiology Reports, Volume 18, Issue 1, February 2026.By identifying unique/enriched microbial species across taxa and diet types in 318 animal species with our SSD (specificity and specificity diversity) framework, we demonstrated that host phylogeny and diet are joint drivers of microbial specificity compositional heterogeneity, potentially linking the macroecological pattern of phylosymbiosis with the ...
Zhanshan (Sam) Ma
wiley +1 more source
Indigenous peoples and local community reports of climate change impacts on biodiversity
Conservation Biology, Volume 40, Issue 1, February 2026.Abstract Climate change impacts on biodiversity have been primarily studied through ecological research methods, largely ignoring other knowledge systems. Indigenous and local knowledge systems include rich observations of changes in biodiversity that can inform climate change adaptation planning and environmental stewardship.
Albert Cruz‐Gispert +5 more
wiley +1 more source
Frontiers in ToxicologyIntroductionShark and ray species are particularly vulnerable to pollutant bioaccumulation, including metals and metalloids, due to their k-strategist characteristics and mid–high trophic level.
Amanda Pontes Lopes +5 more
doaj +1 more source
Journal of Science: Advanced Materials and Devices, 2021 The limited capability of articular cartilage to self-repair renders its regeneration a formidable challenge. In the quest of the optimal material for cartilage scaffold fabrication, the use of collagen type II has been advocated, but its optimal source ...
Z. Wu +3 more
doaj +1 more source
A CHECK-LIST OF FOSSIL CHONDRICHTHYES FROM BRIELAS (LANGHIAN, PORTUGAL) [PDF]
, 2018 Located in a slope of the Costa de Caparica motorway, in the peninsula of Setúbal, West Portugal, the outcrop of Brielas stand out as one of the best Miocene sections of the Lower Tagus Basin to collect a great diversity of fossil Chondrichthyes, which ...
Antunes, Miguel +2 more
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