Results 61 to 70 of about 1,415 (230)

[Reticulated pigment anomaly of the skinfolds].

open access: yesMedicina cutanea ibero-latino-americana, 1983
We report a case of reticulate pigmented anomaly of the flexures in a 54 years-old white male patient. His lesions had developed during the last 30 years, involving neck, axillae, groins, anterior chest wall, scrotum, buttocks and thighs. The abnormality is characterized by pigmented epidermal downgrowths, with similar lesions developing around dilated
P H, Magnin, J G, Casas, A C, González
openaire   +1 more source

The continuing significance of chiral agrochemicals

open access: yesPest Management Science, Volume 81, Issue 4, Page 1697-1716, April 2025.
In the time frame 2018–2023, around 43% of the 35 chiral agrochemicals introduced to the market (herbicides, fungicides, insecticides, acaricides, and nematicides) contain one or more stereogenic centers in the molecule, and almost 69% of them have been marketed as racemic mixtures of enantiomers or stereoisomers.
Peter Jeschke
wiley   +1 more source

White light emitting molecular logic gates

open access: yesSmart Molecules, EarlyView.
White light emitting smart molecules with Boolean logic computing ability are surveyed. Abstract White light emitting (WLE) materials are of considerable interest with commercial and societal applications in video displays and lighting devices. A characteristic property of WLE materials is the luminescence profile spanning from 380 to 700 nm.
Davide Benedetto Tiz   +2 more
wiley   +1 more source

Rotenone Induces Morphological Damage and Reduction in Catecholamine Levels in the Central Nervous System of the Ascidian Styela plicata

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Ascidians are invertebrates that occupy a key phylogenetic position as a sister group of the vertebrates. The organization of their central nervous system (CNS), with cortex and medulla, indicates a plesiomorphic character of the gray and white matter of vertebrates, making this group of animals useful for studies of neurodegenerative events ...
Andressa de Abreu Mello   +4 more
wiley   +1 more source

The optical coherence tomography and microperimetry biomarker evaluation in patients with geographic atrophy (OMEGA) study: Geographic atrophy progression in fundus autofluorescence ‐ OMEGA report 3

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose To measure the progression of geographic atrophy (GA) in subjects with age‐related macular degeneration (AMD) in a natural history study. Methods We analysed fundus autofluorescence (FAF) images using a semiautomatic method (RegionFinder) to quantify the GA area in a monocentric study.
Philippe Valmaggia   +17 more
wiley   +1 more source

Radial outer retina reflectivity (RORR) sign in LAMP2‐associated retinopathy

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose To describe the radial outer retina reflectivity (RORR) sign in patients carrying pathogenic variants in the X‐linked lysosome‐associated membrane protein‐2 (LAMP2) gene and to review the histologic characteristics of LAMP2 expression in the human retina.
Rachael C. Heath Jeffery   +17 more
wiley   +1 more source

Doença de Dowling-Degos: apresentação clínica e histopatológica clássica Dowling-Degos disease: classic clinical and histopathological presentation

open access: yesAnais Brasileiros de Dermatologia, 2011
A doença de Dowling-Degos é uma genodermatose rara que consiste numa desordem pigmentar reticulada. Caracteriza-se pela presença de máculas hiperpigmentadas nas regiões flexurais com distribuição em rede; lesões tipo comedão no dorso e na região cervical;
Carolina Cotta Zimmermann   +5 more
doaj   +1 more source

Retinal dystrophies simulating geographic atrophy: A diagnostic challenge

open access: yesActa Ophthalmologica, EarlyView.
Abstract Geographic atrophy (GA) is the chronic loss of retinal pigment epithelium, photoreceptors and choriocapillaris, marking the dry late stage of age‐related macular degeneration (AMD). GA prevalence is expected to rise in the upcoming decades. Advanced GA leads to central scotomas, reducing visual acuity and quality of life, potentially resulting
Johanna M. Colijn   +3 more
wiley   +1 more source

Morphology of Guard Hairs in Amazonian Marsupials: Intergeneric Variation, Habitat and Habit Association in a Phylogenetic Framework of the Order Didelphimorphia

open access: yesActa Zoologica, EarlyView.
ABSTRACT The cuticle and medulla of guard hairs exhibit distinct morphological patterns among mammalian species. To investigate this variability in marsupials from the Brazilian Amazon, we analysed guard hairs from nine Didelphimorphia species and incorporated data from an additional 25 didelphid species.
Matheus M. Bitencourt   +4 more
wiley   +1 more source

Role of vascular ultrasound in cases of lower limb hyperpigmentation

open access: yesIndian Journal of Dermatology, 2019
Background: Hyperpigmentation remains an important finding in cases of venous insufficiency and peripheral arterial disease (PAD) among the vascular causes.
Himanshu Kumar, P K Sharma, U C Garga
doaj   +1 more source

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