Results 101 to 110 of about 77,522 (311)

Sexual dimorphism in campylobacteriosis

open access: yesEpidemiology and Infection, 2007
SUMMARYSexual dimorphism in infectious diseases whereby disease incidence is more prevalent in one gender has been reported repeatedly in the scientific literature. Both behavioural and physiological differences have been suggested as a cause of this gender bias but there is a paucity of data to support either of these viewpoints.
N J C, Strachan   +5 more
openaire   +3 more sources

Determining the timeline of gonadal and genital differentiation in male and female equine fetuses allows for early detection and intervention in malformations

open access: yesThe Anatomical Record, EarlyView.
Abstract Sexual differentiation in the equine fetus involves coordinated morphogenetic processes that shape both the gonads and the genital ducts. Although the formation of testes and ovaries has been relatively well documented, the temporal dynamics and morphometric patterns of the mesonephric (Wolffian) and paramesonephric (Müllerian) ducts remain ...
Tais Harumi de Castro Sasahara   +4 more
wiley   +1 more source

Centrobolus titanophilus size dimorphism shows width-based variability [PDF]

open access: yesArthropods, 2019
The present research aimed to study the sexual size dimorphism of Centrobolus titanophilus. Diplopoda illustrated reversed sexual size dimorphism (SSD) where one sex was larger than an other. The SSD of C.
Mark Cooper
doaj  

Cortical bone distribution in the human mandibular symphysis: Ontogenic and morphometric approaches in archeological context

open access: yesThe Anatomical Record, EarlyView.
Abstract The human mandibular symphysis concentrates multiaxial loads during function and remodels throughout growth, but the precise mechanisms underlying cortical bone shape during growth remain relatively unexplored. Approaches based solely on thickness or external cortical contours provide only partial insights and do not capture the functional ...
Ana Ribeiro   +3 more
wiley   +1 more source

Sperm competition and male forceps dimorphism in the European earwig Forficula auricularia (Dermaptera: Forficulina)

open access: yes, 2008
Some portions of this electronic text have been removed owing to copyright restrictionsThe European earwig exhibits a remarkable male-dimorphism in forceps morphology that is associated with alternative reproductive tactics under the control of a ...
Brown, Gordon S.
core  

Sexual dimorphism in the loud calls of Azara’s owl monkeys (Aotus azarae): evidence of sexual selection? [PDF]

open access: yes, 2019
Primates use different types of vocalizations in a variety of contexts. Some of the most studied types have been the long distance or loud calls. These vocalizations have been associated with mate defense, mate attraction, and resource defense, and it is
Huck, Maren   +5 more
core   +1 more source

Three‐dimensional geometric morphometric analysis of diaphragmatic dome motion in COPD patients

open access: yesThe Anatomical Record, EarlyView.
Abstract Diaphragmatic dysfunction is a hallmark of chronic obstructive pulmonary disease (COPD), especially in emphysema, where hyperinflation alters diaphragm geometry and impairs inspiratory mechanics. However, quantitative three‐dimensional (3D) assessments of diaphragmatic dome shape and motion across COPD phenotypes are limited.
José M. López‐Rey   +5 more
wiley   +1 more source

The morphology of the knee joint in Homo sapiens : a morphometric study of form variation in the distal femur and proximal tibia. [PDF]

open access: yes, 2005
This thesis explores form variation in the knee joint of thirteen geographically and economically distinct populations of modern Homo Sapiens from different ancestral backgrounds.
Stevens, Sally Diane
core  

Dimorphism data

open access: yes, 2013
Dimorphism ...
Hasselquist, Dennis   +7 more
core   +1 more source

Much more than their fangs: Macroscopic anatomy of the brain of Bothrops moojeni Hoge 1966 (Squamata, Serpentes, Viperidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract Neuroanatomical research has progressed considerably in several vertebrate lineages, yet studies of reptilian brain morphology remain markedly underdeveloped. Here we provide the first description of macroscopic brain anatomy and its ontogeny in the viperid Bothrops moojeni, based on a sample of seven individuals.
Paula Araújo   +2 more
wiley   +1 more source

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