Results 31 to 40 of about 9,799,487 (341)

Determinants of Advanced Bone Age in Childhood Obesity


open access: yesHormone Research in Paediatrics, 2017
Background: Childhood obesity is associated with advanced bone age (BA). Previous studies suggest that androgens, oestrogens, sex hormone-binding globulin, and insulin are responsible for this phenomenon, but results are contradictory and might be biased
C. J. de Groot   +6 more
semanticscholar   +1 more source

Occurrence of annual growth rings in Rhizophora mangle in a region with low climate seasonality

open access: yesAnais da Academia Brasileira de Ciências, 2016
The formation of annual growth rings has been confirmed for several mangrove species in the last decade, among which is the Rhizophora mangle. However, the record of annual rings for this species was made in a region with high hydric seasonality, a ...
BRUNNA T. SOUZA   +3 more
doaj   +1 more source

Vitreae gemmae, volgi anuli. Bagues et intailles méditerranéennes en Bohême à l’époque de La Tène [PDF]

open access: yesStudia Hercynia, 2016
The paper presents a series of finger rings with/or gems of Mediterranean origin unearthed in Bohemia in Late Iron Age contexts. The rings and gems are studied from formal and stylistic point of view; results of technological analyses are also taken ...
Jan Kysela
doaj  

Lords and ladies of the rings

open access: yesArcheologické Rozhledy, 2016
Saddle-shaped finger-rings are among the most widespread types of Late Iron Age jewellery. Such ornaments are encountered throughout the entire period in question, from south-western Germany, western Switzerland and northern Italy to Transylvania and ...
Aurel Rustoiu
doaj   +1 more source

Role of multifocal electroretinogram in the prediction of visual prognosis in patients with occult macular dystrophy

open access: yesDelta Journal of Ophthalmology, 2020
Background Occult macular dystrophy (OMD) is a rare hereditary macular dystrophy characterized by severe bilateral progressive loss of central vision with normal fundus appearance and normal fundus fluorescein angiography.
Marwa Abdelshafy, Ahmed Abdelshafy
doaj   +1 more source

Simple Rings and Degree Maps [PDF]

open access: yes, 2013
For an extension A/B of neither necessarily associative nor necessarily unital rings, we investigate the connection between simplicity of A with a property that we call A-simplicity of B.
Nystedt, Patrik, Öinert, Johan
core   +1 more source

Radiocarbon Dating of an Olive Tree Cross-Section: New Insights on Growth Patterns and Implications for Age Estimation of Olive Trees

open access: yesFrontiers in Plant Science, 2017
The age of living massive olive trees is often assumed to be between hundreds and even thousands of years. These estimations are usually based on the girth of the trunk and an extrapolation based on a theoretical annual growth rate.
Yael Ehrlich   +3 more
doaj   +1 more source

Marking fin spine of juvenile sturgeon (acipenseriformes: acipenseridae) using oxytetracycline and the comparing of growth performance

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2021
This study aimed to describe and validate the formation of the rings in the spine of the pectoral fin and to determine the coherence of the OTC mark with the rings of three species of Caspian Sea sturgeon, the Persian sturgeon (Acipenser persicus), the ...
S. Bakhshalizadeh   +3 more
doaj   +1 more source

QUANTITATIVE ANALYSIS OF HYPERAUTOFLUORESCENT RINGS TO CHARACTERIZE THE NATURAL HISTORY AND PROGRESSION IN RPGR-ASSOCIATED RETINOPATHY

open access: yesRetina, 2017
Purpose: Quantitative analysis of hyperautofluorescent rings and progression in subjects with retinitis pigmentosa associated with retinitis pigmentosa GTPase regulator (RPGR) gene mutations. Methods: Prospective observational study of 46 subjects.
James J. L. Tee   +4 more
semanticscholar   +1 more source

Clinical Analysis of Congenital Deficient Tracheal Cartilage Rings: Six Case Reports and a Literature Review

open access: yesFrontiers in Pediatrics, 2020
Congenital deficiency of tracheal rings is a rare tracheal malformation that can cause central airway obstruction. Herein we reported the clinical data of six patients with symptomatic congenital deficient tracheal rings.
Jing Ma   +7 more
doaj   +1 more source

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