Results 31 to 40 of about 115,356 (303)

Genital evolution: why are females still understudied? [PDF]

open access: yesPLoS Biology, 2014
The diversity, variability, and apparent rapid evolution of animal genitalia are a vivid focus of research in evolutionary biology, and studies exploring genitalia have dramatically increased over the past decade. These studies, however, exhibit a strong
Malin Ah-King   +2 more
doaj   +1 more source

49, XXXXY syndrome: An infant presenting with ambiguous genitalia

open access: yesIndian Journal of Health Sciences and Biomedical Research KLEU, 2016
Presences of normal genes on the Y chromosome are essential for normal sex determination and sex differentiation of male genitalia. Several genes on the X chromosome and other autosomes have been shown to be anti-testes and have a detrimental effect on ...
Rajendra B Nerli   +4 more
doaj   +1 more source

Taxonomic considerations on the genera Moneuptychia Forster and Carminda Dias, reval. (Lepidoptera, Nymphalidae, Satyrinae)

open access: yesBrazilian Journal of Biology
Euptychia soter Butler, 1877, the type species of Moneuptychia Forster, 1964, is compared to Satyrus paeon Godart, 1824, the type species of Carminda Dias, 1998. The male genitalia and wing design patterns of these species are dealt with. Some additional
MM Dias
doaj   +1 more source

Two new species and new records of the ground beetle subgenus Falcinebria Ledoux & Roux, 2005 (Coleoptera, Carabidae, Nebria) from Tohoku District, northern Honshu, Japan [PDF]

open access: yesBiodiversity Data Journal
Falcinebria Ledoux & Roux, 2005 is a subgenus of Nebria Latreille, 1802 that shows marked differentiation in Japan, but its diversity has not yet been fully elucidated.This study describes two new species of this subgenus from the Tohoku District
Kôji Sasakawa
doaj   +3 more sources

Two new species of the subfamily Phycitinae (Lepidoptera: Pyralidae) from West Kazakhstan [PDF]

open access: yesКавказский энтомологический бюллетень, 2019
Asalebria (Exophora) vernalis sp.  n. and Gymnancyla subgilvella sp.  n. are described from Atyrau and Mangistau Regions of Kazakhstan. Male and female genitalia of these species are illustrated. Asalebria (Exophora) vernalis sp. n.
E.V. Tsvetkov
doaj   +1 more source

Additions to the Hyperaspis Chevrolat (Coleoptera: Coccinellidae) fauna of South American, descriptions of nine new species, and recognition of Hyperaspis pectoralis Crotch as a valid species [PDF]

open access: yes, 2011
Nine new species of Hyperaspis from various South American localities are described, illustrated, and compared with previously described taxa. New taxa are: Hyperaspis luciae, H. corcovado, H. divaricata, H. humboldti, H. mimica, H.
González, F. Guillermo   +1 more
core   +1 more source

Glyphidops (Glyphidops) filosus (Diptera: Neriidae) revisited, with special attention to the morphology of the male and female terminalia [PDF]

open access: yesPapéis Avulsos de Zoologia, 2020
Although a recent revision of the genus Glyphidops Enderlein covered most its known, some of the Brazilian forms were not surveyed. Here we take advantage of the excellent morphological work available in the literature and redescribe Glyphidops ...
Isabela de Oliveira Motta   +1 more
doaj   +1 more source

External Genitalia-Male [PDF]

open access: yes, 2009
Histology blog entry for February 6, 2009 about male external ...
Krause, William J., II, 1942-
core  

Second contribution to the knowledge of the Lithosiini of Gabon: the genus Nanna Birket-Smith (Lepidoptera, Erebidae, Arctiinae) [PDF]

open access: yes, 2013
The presence of the genus Nanna in Gabon is treated. Four species are recorded, two of which are new to science (N. molouba sp. nov. and N. semigrisea sp. nov.), and the hitherto unknown female of Nannaa ceratopygia is described.
Apinda Legnouo, Emelie Arlette   +2 more
core   +3 more sources

Prevalence and Trajectory of Household Material Hardship Among Children With Advanced Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background/Objectives Families of children with advanced cancer living in poverty experience inferior outcomes including poor parent mental health and worse child quality of life. Household material hardship (HMH: food, housing, transportation, and/or utility insecurity) is a modifiable poverty exposure—and potential intervention target—that ...
Sarah Wright   +13 more
wiley   +1 more source

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