Results 211 to 220 of about 209,673 (304)

Developmental morphology of claspers and clasper‐glands during maturation in Potamotrygon wallacei (Chondrichthyes: Potamotrygoninae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The claspers are the copulatory organs in male elasmobranchs, responsible for directing the semen into the female cloaca (C). However, the microscopic morphology of the claspers remains poorly understood. This study describes the morphology of the claspers and clasper glands (CGs) of cururu stingray (Potamotrygon wallacei) at different ...
Matheus Samuel Cunha Braga   +4 more
wiley   +1 more source

Editorial Commentary: Estrogen Influences Shoulder Health

open access: yesArthroscopy, EarlyView.
Abstract Estrogen influences bone mineral density, muscle quality and quantity, and collagen synthesis, rotator cuff tearing, worse outcomes after rotator cuff repair, hyperlaxity, and adhesive capsulitis. In this commentary, we discuss the potential explanations for the highly significant associations between hormonal systemic birth control and a ...
Peter Chalmers, Robert Tashjian
wiley   +1 more source

Systemic Hormonal Contraceptive Use Is Associated With Greater Odds of Rotator Cuff Tears, Shoulder Instability, Dislocation, and Other Shoulder Pathologies: A Propensity Matched Epidemiological Study

open access: yesArthroscopy, EarlyView.
Purpose To evaluate whether systemic estrogen‐only, progestin‐only, or combined hormonal contraceptives (HCs) are associated with increased risk of shoulder pathologies in reproductive‐age females. Methods A retrospective cohort study of female patients presenting to clinic from 2013 to 2020 and aged 13‐50 with 5 years of follow‐up was conducted using ...
Argen Omurzakov   +7 more
wiley   +1 more source

Healing Integrity Determines Meniscal Extrusion After Isolated Medial Meniscus Posterior Root Repair in Knees With No Lower Limb Malalignment

open access: yesArthroscopy, EarlyView.
Purpose To investigate changes in meniscal extrusion and meniscal healing status following root repair, and the relationship between meniscal extrusion and healing conditions. Methods Patients who underwent isolated root repair between 2019 and 2023 and consented to undergo second‐look arthroscopy to evaluate their healing condition (1 year ...
Jin Seong Kim   +4 more
wiley   +1 more source

The Impact of Sex Hormones on Transcranial Magnetic Stimulation Against the Oxidative Stress in the Pathogenesis of Multiple Sclerosis. [PDF]

open access: yesBiomolecules
Escribano BM   +9 more
europepmc   +1 more source

Computed Tomography‐Based Morphometric Analysis Reveals Intercondylar Notch Stenosis and Osteophytes Are Associated With Anterior Cruciate Ligament Injury

open access: yesArthroscopy, EarlyView.
Purpose To quantitatively assess intercondylar notch morphometrics using 3‐dimensional computed tomography reconstruction, evaluate their association with anterior cruciate ligament (ACL) injury in Asian populations, and investigate the prevalence of osteophytes in patients with ACL injury.
Xiaozhong Ma   +9 more
wiley   +1 more source

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