Results 1 to 10 of about 11,548 (188)

Ray-finned fishes (Actinopterygii) from the Upper Jurassic (Oxfordian) of the Atacama Desert, Northern Chile [PDF]

PeerJ, 2022
This contribution presents novel records of ray-finned fishes from the Oxfordian of Cerritos Bayos, northern Chile. This includes a Pachycormiformes diversity represented by macropredatory forms (aff. Hypsocormus sp.
Rodrigo A. Otero
doaj   +3 more sources

The CB1 receptor: linking impulsivity and substance use disorder [PDF]

Frontiers in Neuroscience
The cannabinoid receptor type 1 (CB1R) is the most widely expressed G protein-coupled receptor in the brain, with high concentrations in the basal ganglia, hippocampus, and cerebellum.
Octavio Amancio-Belmont, Octavio Amancio-Belmont, Lorena Alline Becerril-Melendez, Mónica Méndez-Díaz   +3 more
doaj   +2 more sources

Susceptibility of solid organ transplant recipients to viral pathogens with zoonotic potential: A mini-review [PDF]

Brazilian Journal of Infectious Diseases
A substantial number of zoonotic diseases are caused by viral pathogens, representing a significant menace to public health, particularly to susceptible populations, such as pregnant women, the elderly, and immunocompromised individuals.
Karine C. Bezerra, Carlos Meton A.G. Vieira, Edmilson F. de Oliveira-Filho, Christian Robson S. Reis, Reinaldo B. Oriá   +4 more
doaj   +2 more sources

Ontogenia dos nectários extraflorais de Triumfetta semitriloba (tiliaceae) Extrafloral nectary ontogeny of Triumfetta semitriloba (Tiliaceae) [PDF]

Planta Daninha, 2002
Triumfetta semitriloba é uma planta daninha que apresenta nectários florais e extraflorais, sendo os últimos visitados por formigas que protegem a planta do ataque de insetos.
C.A.E. Leitão, R.M.S.A. Meira, A.A. Azevedo, J.M. Araújo   +3 more
doaj   +4 more sources

Assesment and interpretation of negative forelimb allometry in the evolution of non-avian Theropoda [PDF]

Frontiers in Zoology, 2019
Background The origin of birds is marked by a significant decrease in body size along with an increase in relative forelimb size. However, before the evolution of flight, both traits may have already been related: It has been proposed that an ...
José A. Palma Liberona, Sergio Soto-Acuña, Marco A. Mendez, Alexander O. Vargas   +3 more
doaj   +2 more sources

Ontogenia [PDF]

Interface: Comunicação, Saúde, Educação, 1998
Hamilton da Rosa Pereira
doaj   +3 more sources

New Paleogene records of cartilaginous fishes (Chondrichthyes) from central Chile, including the oldest lamnid diversity from the southeastern Pacific [PDF]

PeerJ
Background The Paleogene chondrichthyan diversity of the southern hemisphere is mostly known in Antarctica, southernmost South America and New Zealand, but records from the southeastern Pacific remain sparse to date.
Rodrigo A. Otero
doaj   +3 more sources

Ontogenia del Linfocito B. Mapa conceptual

Universidad Médica Pinareña
Introducción: el mapa conceptual constituye una representación gráfica que facilita la organización del conocimiento, permite visualizar las relaciones entre las ideas y conceptos de un modo que se entienda fácilmente.
Christian Cascaret-Cardona, Virgen Gross-Ochoa, Ariadna García-Savigne, Roberto Michael Blanco-Alvarez, Sonia Haila Carbonell-Labadie   +4 more
doaj   +1 more source

Evolución, ontogenia y herencia

Revista de la Facultad de Medicina, 1936
Conferencia leída en la cátedra de Fisiología de la Facultad de Medicina, a cargo del doctor Aguilera Camacho, el día 27 de septiembre de 1935. Evolución de la materia hasta el hombre.
Olimpo Galindo L.
doaj   +2 more sources

Exceso de peso, hábitos alimentarios y de actividad física de niños y niñas residentes en áreas urbanas y periféricas de la ciudad de La Plata

Runa, 2021
La urbanización creciente y acelerada, promueve patrones de vida sedentarios y de alimentación poco saludable que incrementan el sobrepeso y la obesidad infantil.
María Florencia Cesani, Evelia Edith Oyhenart   +1 more
doaj   +1 more source