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The Evolution of Male Weapons Is Associated with the Type of Breeding Site in a Clade of Neotropical Frogs

Integrative Zoology, EarlyView.
Male weaponry evolution is often linked to male–male competition, but its relationship with breeding site type remains unclear. Using Leptodactylinae frogs, we found a macroevolutionary correlation between breeding site type and weapon evolution. Also, gains and losses of weapons occurred more frequently in exposed‐breeding sites, an unexpected finding.
Erika M. Santana, Daniel S. Caetano, Alexandre V. Palaoro, Glauco Machado   +3 more
wiley   +1 more source

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MARINE MAMMALS: MORPHOMETRIC PARAMETERS OF ERYTHROCYTES

Зоологический журнал, 2023
Morphological and morphometric parameters of erythrocytes (size, shape and color) were studied in five species of marine mammals. A comparative assessment of oxygen reserves in the blood of the Harp (Pagophilus groenlandicus (Erxleben 1777)) and in Grey seal (Halichoerus grypus (Fabricius 1791)) puppies during adaptations to the aquatic environment, as
openaire   +1 more source

Study of morphometric parameters of the hyoid bone

Sudebno-meditsinskaya ekspertiza, 2021
Is to study the morphological and morphometric variations of the hyoid bone in the population of the Tver region. One hundred adult hyoid bone samples were taken from 63 males and 37 females. Morphological and morphometric variations of the hyoid bone were determined.
I A, Dubrovin, A I, Dubrovin
openaire   +2 more sources

Genetic parameters of morphometric measurements in Criollo horses

Journal of Animal Breeding and Genetics, 2020
AbstractThe aim of this study was to estimate the genetic parameters for the morphometric measurements of withers height (WH), thoracic circumference (TC) and cannon bone circumference (CBC) of Criollo horses, stratified for maternal and paternal effects. Statistical genetic design of factor crossings was used to evaluate the offspring of full siblings
Vitória Müller, Bruna dos Santos Suñé Moraes, Ivan Ricardo Carvalho, Camila Gervini Wendt, Ruth Dunford Patten, Carlos Edurado Wayne Nogueira   +5 more
openaire   +2 more sources

Morphometric parameters of the radial neck: an anatomical study

Surgical and Radiologic Anatomy, 2007
The purpose of this study was to describe the anatomy of the intramedullary canal of the radial neck for stem design of radial head prostheses.Radial neck measurement was performed from the proximal edge of the radial tuberosity to the distal border of the articular surface on 40 macerated proximal radii using X-rays and Optosil imprints of the ...
T C, Koslowsky, I, Germund, F, Beyer, K, Mader, C F, Krieglstein, J, Koebke   +5 more
openaire   +3 more sources

Mass Movement Classification Using Morphometric Parameters (Puebla, Mexico)

2013
The Sierra Norte de Puebla (Mexico) is a tropical mountain frequently affected by torrential rains induced by depressions and hurricanes. In October 1999 and 2005, intense precipitation triggered hundreds of landslides and caused heavy human losses and material damages.
Ochoa Tejeda, Veronica, Parrot, Jean-François, Fort, Monique   +2 more
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Morphometric parameters of isolated melanosomes.

Functional and developmental morphology, 1994
Basic morphometric parameters of melanosomes isolated from mouse hair, hamster eye and hamster hair are given and tabelized with those published formerly to enlarge the widest published collection of melanosomes isolated from different types of pigmented tissues up to 17 types.
P, Hach, J, Borovanský, E, Vedralová
openaire   +1 more source

Volume of the conducting airways calculated from morphometric parameters

Bulletin of Mathematical Biology, 1981
A method of calculating the volume of a tree distal to a cut at the origin of a branch, using branching, diameter and length ratios, has been developed. The method was applied to bronchial tree casts from human, dog, sheep, hamster, and rat lungs. It was found that the exponent a in the equation weight = k × diametera is approximately equal to 3.0 in ...
K, Horsfield, A, Thurlbeck
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Morphometric parameters of fresh lunar craters

Modern astronomy: from the Early Universe to exoplanets and black holes
We study the morphometric parameters of 111 lunar craters with a diameter of 10 km or more, the formation of which, according to some researchers, can be attributed to the Copernican period. These craters were selected by analyzing data from the Diviner spectrometer on board the LRO probe.
E. Feoktistova, Zh. Rodionova, V. Shevchenko   +2 more
openaire   +1 more source