Results 81 to 90 of about 80,922 (304)

Seasonal and Sexual Variations in Corticosterone and Total Triiodothyronine: A Pilot Study in Mediterranean Tortoises (Testudo hermanni)

Animals
The Mediterranean tortoise Testudo hermanni inhabits different regions bordering the northwestern Mediterranean. This species is vulnerable, protected by legislation, and involved in various breeding and reintroduction programs.
Sergi Olvera-Maneu, Xavier Navarro, Paula Serres-Corral, Annaïs Carbajal, Albert Martínez-Silvestre, Manel López-Béjar   +5 more
doaj   +1 more source

Follicular Development and Secretion of Ovarian Hormones during the Juvenile and Adult Reproductive Lives of the Myelin Mutant taiep Rat: An Animal Model of Demyelinating Diseases

International Journal of Endocrinology, 2018
Infertility and reproductive problems have been reported in women with several neurological disorders, for example, demyelination. However, the physiology of such problems has remained unknown so far.
L. P. Muñoz-de-la-Torre, J. R. Eguibar, C. Cortés, A. Ugarte, A. Trujillo   +4 more
doaj   +1 more source

Thyroxine and triiodothyronine concentrations in juvenile Oncorhynchus mykiss when supplementing the diet with organomineral chelate complexes [PDF]

BIO Web of Conferences
The paper presents data on the concentration of thyroxine and triiodothyronine in juvenile golden trout when enriching their diet with organomineral chelate complexes.
Makhnin I. A., Karpenko L. Yu., Polistovskaya P. A., Berenev Yu. E.   +3 more
doaj   +1 more source

The Value of Comparative Animal Research : Krogh’s Principle Facilitates Scientific Discoveries [PDF]

, 2017
There are no conflicts of interest to declare. This paper developed from the 2016 Early Career Impact Award from the Federation of Associations in Behavioral & Brain Sciences to TJS. TJS has received funding from The Leverhulme Trust.
Alward, Beau A., Ebling, Francis J. P., Fernald, Russell D., Kelly, Aubrey, Ophir, Alexander G., Stevenson, Tyler J   +5 more
core   +2 more sources

Pelvic morphology and body size in relation to the preauricular sulcus: Evidence from medieval to modern Iberia

The Anatomical Record, EarlyView.
Abstract The preauricular sulcus has long been debated as a pelvic feature variably attributed to obstetric stress, ligamentous traction, and broader biomechanical processes. To clarify its determinants, we analyzed 409 adult individuals from three archeological and one early modern skeletal collection from the Iberian Peninsula, integrating graded ...
Rebeca García‐González, Julia Muñoz‐Guarinos, Nico Cirotto, Sonia Díaz‐Navarro, Laura Rodríguez, José Miguel Carretero   +5 more
wiley   +1 more source

Changes of hormons (T3, T4 and cortisol) and ions (Na+, Cl-, K+) during smoltification in Salmo trutta caspius Kessler 1877

‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2012
Salmo trutta caspius is an important and economic fish in the Caspian Sea has several morphological and physiological changes during smoltification.
D. Mohammadrezaei email ; B. Majazi Amiri; M. Farhangi
doaj  

Regulatory Mechanisms of Cell Polyploidy in Insects

Frontiers in Cell and Developmental Biology, 2020
Polyploidy cells undergo the endocycle to generate DNA amplification without cell division and have important biological functions in growth, development, reproduction, immune response, nutrient support, and conferring resistance to DNA damage in animals.
Dani Ren, Juan Song, Juan Song, Ming Ni, Ming Ni, Le Kang, Le Kang, Le Kang, Wei Guo, Wei Guo   +9 more
doaj   +1 more source

Fish and amphibians as test organisms for evaluation of effects caused by chemicals [PDF]

, 2007
A large number of chemicals can contaminate aquatic environments and therefore be exposed to fish and amphibians during their sensitive stages of development.
Carlsson, Gunnar
core  

Neurobehavioral function and low-level exposure to brominated flame retardants in adolescents : a cross-sectional study [PDF]

, 2012
Background: Animal and in vitro studies demonstrated a neurotoxic potential of brominated flame retardants, a group of chemicals used in many household and commercial products to prevent fire.
Baeyens, Willy, Bruckers, Liesbeth, Covaci, Adrian, Croes, Kim, Den Hond, Elly, Dirtu, Alin C, Kiciński, Michał, Nawrot, Tim S, Nelen, Vera, Schoeters, Greet, Sioen, Isabelle, Van Larebeke, Nicolas, Viaene, Mineke K   +12 more
core   +1 more source

Exploring the Roles of Tuna‐Associated Acinetobacter sp. YFT067: Implications for Host Health and Metabolism

Animal Research and One Health, EarlyView.
This study firstly isolated a tuna‐derived gut probiotic Acinetobacter seifertii YFT067. Dietary administration of YFT067 played significant roles in promoting growth performance, SCFAs production, lipid absorption, and metabolism of the host, indicating YFT067 as a promising probiotic candidate for enhancing tuna aquaculture productivity through ...
Ying Zou, Hai Huang, Qiongyao Fu, Zhiyuan Lu, Zhiqiang Guo   +4 more
wiley   +1 more source