Results 41 to 50 of about 20,572 (174)

El aparato masticador del género extinto Actenomys Burmeister, 1888 (Rodentia, Ctenomyidae): inferencias sobre su modo de vida

open access: yesEstudios Geologicos, 2000
Se describe la anatomía cráneo-dentaria del género Actenomys, registrado en sedimentos del Plioceno de la provincia de Buenos Aires (República Argentina), con especial énfasis los puntos de origen e inserción de la musculatura masticatoria; se lo compara
L. J. M. de Santis, G. J. Moreira
doaj   +1 more source

Impact of Life History on Hippopotamus Skull Ontogeny

open access: yesEvolution &Development, Volume 27, Issue 3, September 2025.
Main life‐history events and traits of the hippopotamus (Hippopotamus amphibius) and its skeletal and craniomandibular developmental processes. The major skull changes in infancy (0–3 years) and puberty (10–15 years) and the late stabilization (20–25 years) of the mandibular shape with respect to the cranial shape stand out.
Darío Fidalgo   +8 more
wiley   +1 more source

Anatomía comparada del aparato urinario de mamíferos domésticos. Herramienta de aprendizaje virtual para veterinarios, biólogos y médicos. [PDF]

open access: yes, 2017
Esta aplicación es una herramienta útil para estudiantes, profesores y profesionales de diferentes campos. Permitirá conocer y estudiar el aparato urinario, señalando gráficamente la estructura a memorizar, ver su contenido teórico y ...
Arenas Jiménez, María Isabel   +7 more
core   +1 more source

Highly Pathogenic Avian Influenza A (H5N1) Infection in Bearded Vultures in Spain

open access: yesZoonoses and Public Health, Volume 72, Issue 6, Page 544-549, September 2025.
ABSTRACT We report mortality in bearded vultures ( Gypaetus barbatus ) associated with highly pathogenic avian influenza HPAI A H5N1 clade 2.3.4.4b, responsible for the current HPAI panzootic. Between April and May 2022, a total of five bearded vultures from Spain, four free‐ranging and one captive individual, were found dead in their nest or with ...
Remigio Martínez   +9 more
wiley   +1 more source

Anatomía Comparada del Aparato Genital Masculino de Mamíferos Domésticos. Herramienta de Aprendizaje Virtual para Veterinarios, Biólogos y Médicos [PDF]

open access: yes, 2018
Esta aplicación es una herramienta útil para estudiantes y profesores de diferentes campos. Permitirá conocer y estudiar el aparato genital masculino, señalando gráficamente la estructura a memorizar, ver su contenido teórico y ...
Blánquez Layunta, María José   +6 more
core   +1 more source

Anatomía comparada en cuatro helechos Cheilantoideos

open access: yesBoletín de la Sociedad Argentina de Botánica, 2019
Introducción y objetivos: Algunas especies de helechos cheilanthoideos son caracterizados por presentar adaptaciones a hábitats xéricos. Además, presentan la particularidad de enrollar sus láminas frente a condiciones de stress hídrico.
Bruno Dematteis Bruno   +3 more
doaj   +1 more source

Neuroanatomical study of the podocnemidid turtle Neochelys arenarum (Pleurodira), from the early Eocene of France

open access: yesThe Anatomical Record, Volume 308, Issue 6, Page 1646-1658, June 2025.
Abstract Neochelys is an exclusively European Eocene podocnemidid genus belonging to a linage that reached this continent at the early Eocene. The so far available anatomical information about it is relatively abundant, especially considering that of its shell, at least partially preserved for the eight valid species currently considered.
Marcos Martín‐Jiménez   +1 more
wiley   +1 more source

Una revisión bibliográfica de los estudios comparativos. Su evolución y aplicación a la ciencia de las bibliotecas [PDF]

open access: yes, 2009
From a presentation of the history of the comparative method in diverse scientific disciplines (natural sciences, sociology, pedagogy, literature, etc.), this article analyzes the importance of the use of the above mentioned method in the library ...
Fuentes – Romero, Juan José   +1 more
core   +1 more source

Morfología comparada de la escápula de primates humanos y no humanos mediante morfometría geométrica. Estudio preliminar. [PDF]

open access: yes, 2015
Este trabajo estudia la morfología comparada de la escápula de primates humanos y no humanos mediante morfometría geométrica. Se han utilizado 62 omóplatos de individuos adultos de sexo desconocido (22 humanos actuales, 1 Neandertal y 39 primates no ...
Juan, A.   +3 more
core  

Movement‐driven modelling reveals new patterns in disease transmission networks

open access: yesJournal of Animal Ecology, Volume 93, Issue 9, Page 1275-1287, September 2024.
This study highlights that the traditional approach based on quantifying contacts for disease transmission research can lead to misidentify the species' roles. The implementation of a more comprehensive approach is shown, which considers the contact characteristics and the relationship of the pathogen with the individual and the environment.
Cesar Herraiz   +9 more
wiley   +1 more source

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