Results 181 to 190 of about 47,578 (306)

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

Description of large, well‐preserved Enchodus specimens from the Bearpaw Formation of Alberta, Canada

open access: yesThe Anatomical Record, EarlyView.
Abstract Fishes of the genus Enchodus were abundant and cosmopolitan in the Late Cretaceous, but are primarily known from isolated remains in Canada. Four well‐preserved fish skulls were recovered in recent years from ammolite mines sampling the Bearpaw Formation of Southern Alberta, and are here referred to Enchodus petrosus Cope, 1874.
Luke E. Nelson   +2 more
wiley   +1 more source

Female Patients Exhibit a Narrower Glenoid Rim and Lower Bone Density in the Anteroinferior Quadrant Compared With Male Patients

open access: yesArthroscopy, EarlyView.
Purpose The purpose of this study was to evaluate sex‐based differences in glenoid rim morphology and bone density relevant to arthroscopic Bankart repair. Methods This retrospective study assessed differences in glenoid rim morphology between sexes in patients with shoulder instability and uninjured control subjects who underwent a magnetic resonance ...
Willem Geuskens   +8 more
wiley   +1 more source

Improvements in Patient‐Reported Outcomes and Few Reported Major Complications Following Hip Arthroscopy in Patients With Femoroacetabular Impingement Syndrome: A Systematic Review

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To systematically review the literature to evaluate complications and patient‐reported outcome measures (PROMs) after hip arthroscopy in patients with femoroacetabular impingement syndrome. Methods Five databases were searched for studies reporting complications and PROMs after hip arthroscopy in patients with femoroacetabular impingement ...
Frederik Nicolai Foldager   +6 more
wiley   +1 more source

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