Results 81 to 90 of about 104,474 (242)

Ovarian cysts and tumors as the cause of isosexual pseudoprecocious puberty [PDF]

open access: yesSrpski Arhiv za Celokupno Lekarstvo, 2006
Introduction. Precocious puberty in girls is generally defined as appearance of secondary sexual characteristics before eight years of age. Menarche before the ninth birthday may serve as an additional criterion.
Mitrović Katarina   +4 more
doaj   +1 more source

Identification and Optimization of Contributing Factors for Precocious Puberty by Machine/Deep Learning Methods in Chinese Girls

open access: yesFrontiers in Endocrinology, 2022
Background and ObjectivesAs the worldwide secular trends are toward earlier puberty, identification of contributing factors for precocious puberty is critical.
Bo Pang   +14 more
doaj   +1 more source

Dental Development in Precocious Puberty

open access: yes, 1985
One hundred and one children with precocious puberty were given an oral examination. Dental root development was assessed using panoramic radiographs. All mandibular canines, pre-molars, and molars which could be visualized without apparent distortion ...
M.W. Roberts   +6 more
core   +1 more source

Genetic Relationships Between Residual Gain and Economically Important Traits in Nellore Cattle

open access: yesJournal of Animal Breeding and Genetics, EarlyView.
ABSTRACT Sustainable beef production requires identifying animals with superior feed efficiency to reduce environmental impact and production costs. This study aimed to estimate heritability and genetic correlations between residual gain (RG) and growth, reproductive, carcass and feed efficiency traits in Nellore cattle.
Miller Teodoro   +7 more
wiley   +1 more source

Revertant Mosaicism Obscures Long‐Awaited Molecular Confirmation of Diamond‐Blackfan Anemia

open access: yes
American Journal of Medical Genetics Part A, EarlyView.
Nicholas A. Borja, Mustafa Tekin
wiley   +1 more source

Body size of male Atlantic salmon (Salmo salar L.) at introduction of a 5‐week LD12:12 winter signal influences their decision to mature early or smoltify

open access: yesJournal of Fish Biology, EarlyView.
Abstract Sexual maturation of male Atlantic salmon post‐smolts (‘jacking’) is undesired in aquaculture and seems to occur due to the intensification in modern facilities. Maturation depends on internal and external factors (temperature, photoperiod, feed availability, energy levels, body size, genetic background) that act on the brain‐pituitary‐gonad ...
Enrique Pino‐Martinez   +5 more
wiley   +1 more source

A Testicular Leydig Cell Tumor; An Uncommon Cause of Precocious Puberty: A Case Report With Secondary Central Precocious Puberty

open access: yesActa Medica Iranica, 2023
Sexual precocity in boys is defined as any sign of secondary sexual characteristics present before the age of 9. Leydig cell tumors of the testes are a rare cause of peripheral precocious puberty in boys.
Seyede Tahereh Mousavi   +2 more
doaj  

Partial Merosin Deficiency and Precocious Puberty

open access: yes, 2015
The congenital muscular dystrophies (CMD) are autosomal-recessive disorders. Classical congenital muscular dystrophy is grouped as merosin-positive and merosin-negative (MN-CMD). Precocious puberty in girls has been defined by Marshal and Tanner in 1969.
Yuca, Sevil Ari   +4 more
core   +1 more source

Narcolepsy and rapid eye movement sleep

open access: yesJournal of Sleep Research, Volume 34, Issue 2, April 2025.
Summary Since the first description of narcolepsy at the end of the 19th Century, great progress has been made. The disease is nowadays distinguished as narcolepsy type 1 and type 2. In the 1960s, the discovery of rapid eye movement sleep at sleep onset led to improved understanding of core sleep‐related disease symptoms of the disease (excessive ...
Francesco Biscarini   +4 more
wiley   +1 more source

Spectrum of Hypogonadism and Its Management in Adolescents With Prader‐Willi Syndrome: A Retrospective Cohort Study Over 35 Years

open access: yesClinical Endocrinology, Volume 105, Issue 1, Page 51-59, July 2026.
ABSTRACT Context Adult data indicate that hypogonadism is underdiagnosed and undertreated in Prader‐Willi Syndrome (PWS). Objectives We aimed to describe the spectrum of pubertal development, and the diagnosis and treatment of hypogonadism in paediatric/adolescent patients with PWS. Design/Patients A retrospective cohort study of patients with PWS aged
Helen Nguyen   +2 more
wiley   +1 more source

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