Results 21 to 30 of about 1,260 (160)

Cell adhesion and immune response, two main functions altered in the transcriptome of seasonally regressed testes of two mammalian species

open access: yesJournal of Experimental Zoology Part B: Molecular and Developmental Evolution, Volume 340, Issue 3, Page 231-244, May 2023., 2023
During seasonal testis regression in the Iberian mole, Talpa occidenctalis, and the Mediterranean pine vole, Microtus duodecimcostatus, a decrease in serum testosterone levels induces the loss of the cell adhesion between adjacent Sertoli cells (SCs), that implies the disassembly of the blood‐testis barrier, and between SCs and germ cells, that leads ...
Francisca M. Real   +6 more
wiley   +1 more source

SARS‐CoV‐2 in animals: susceptibility of animal species, risk for animal and public health, monitoring, prevention and control

open access: yesEFSA Journal, Volume 21, Issue 2, February 2023., 2023
Abstract The epidemiological situation of SARS‐CoV‐2 in humans and animals is continually evolving. To date, animal species known to transmit SARS‐CoV‐2 are American mink, raccoon dog, cat, ferret, hamster, house mouse, Egyptian fruit bat, deer mouse and white‐tailed deer.
EFSA Panel on Animal Health and Welfare (AHAW)   +28 more
wiley   +1 more source

Guanaco colonisation of Tierra del Fuego Island from mainland Patagonia: Walked, swam, or by canoe?

open access: yesGeo: Geography and Environment, Volume 9, Issue 2, July‐December 2022., 2022
A geographical and biological puzzle that has perplexed scientists since the late 1800s working in southern South America: why are there so few vertebrates on the island of Tierra del Fuego compared to the adjacent Patagonia mainland, including the absence of the ubiquitous Guanaco (Lama guanicoe), wild camelid of the south? An interdisciplinary search
William L. Franklin
wiley   +1 more source

Scientific Opinion on the assessment of the control measures for category A diseases of Animal Health Law: Foot and Mouth Disease

open access: yesEFSA Journal, Volume 19, Issue 6, June 2021., 2021
Abstract EFSA received a mandate from the European Commission to assess the effectiveness of some of the control measures against diseases included in the Category A list according to Regulation (EU) 2016/429 on transmissible animal diseases (‘Animal Health Law’).
EFSA Panel on Animal Health and Welfare (AHAW)   +31 more
wiley   +1 more source

Análisis zooarqueológico del sitio Álvarez 4 (noroeste de Patagonia, Argentina). Un aporte al estudio de la subsistencia de los grupos humanos de la cuenca media del río Limay durante el Holoceno tardío

open access: yesArqueologia, 2022
Se presenta el análisis zooarqueológico y tafonómico del sitio Álvarez 4, un alero emplazado en la cuenca media del río Limay en el noroeste de Patagonia, Río Negro, Argentina.
Ailín A. Guillermo   +1 more
doaj   +1 more source

Functional and morphological divergence in the forelimb musculoskeletal system of scratch-digging subterranean mammals (Rodentia: Bathyergidae). [PDF]

open access: yesJ Anat
The muscles of scratch‐diggers (Bathyergus spp.) show a higher mechanical advantage for forelimb flexion and shoulder stabilization than tooth‐diggers. The glenohumeral and olecranon joints play fundamental roles as robust pivots to resist the action of larger muscles. Tooth‐diggers lacked some muscles aiding with elbow extension and humeral retraction,
Montoya-Sanhueza G   +2 more
europepmc   +2 more sources

Sexual dimorphism in the mandible of the armadillo Chaetophractus villosus (Desmarest, 1804) (Dasypodidae) from northern Patagonia, Argentina Dimorfismo sexual da mandíbula do tatu Chaetophractus villosus (Desmarest, 1804) (Dasypodidae) do norte da Patagônia Argentina

open access: yesBrazilian Journal of Biology, 2009
The aim of this study was to study the sexual dimorphism in adult Chaetophractus villosus (Desmarest, 1804), from northern Patagonia, Argentina. Eight mandibular traits were measured in 37 males and 34 females.
SM. Squarcia   +3 more
doaj   +1 more source

Hematology and serum chemistry values in captive and wild pichis, Zaedyus pichiy (Mammalia, Dasypodidae) [PDF]

open access: yes, 2008
As part of an ongoing study on the health status of pichis, Zaedyus pichiy (Mammalia, Dasypodidae), blood was collected under manual restraint from 72 free-ranging pichis captured in Mendoza Province, Argentina, between November 2001 and December 2006 ...
Mera y Sierra, Roberto   +1 more
core   +1 more source

Cranial Osteology of the Armadillo Chaetophractus villosus (Mammalia, Xenarthra, Dasypodidae) [PDF]

open access: yesInternational Journal of Morphology, 2006
Realizamos estudios morfologico y morfometrico de los componentes oseos del craneo de Chaetophractus villosus. Los huesos son morfologicamente semejantes en ambos sexos y siguen el patron generalizado de la mayoria de los dasipodidos descritos.
Squarcia, Silvia Margarita   +2 more
openaire   +2 more sources

El tipo scratch-digger en dos armadillos (Dasypodidae, Xenarthra): ontogenia esqueletaria de las manos y variaciones de dígitos

open access: yesRevista del Museo de La Plata, 2017
Los estudios comparativos y ontogenéticos referidos al esqueleto de las manos de los armadillos (Dasypodidae, Xenarthra), son escasos. En este trabajo se caracterizan los autopodios anteriores adultos en dos especies de armadillos actuales, Dasypus ...
Fernando C. Galliari
doaj   +1 more source

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