Anatomical sciences curricula have been under constant reform over the years, with many countries having to reduce course hours while trying to preserve laboratory time. In Mexico, schools have historically been autonomous and unregulated, and data regarding structure and methods are still lacking. A national survey was sent by the Mexican Society of Anatomy to 110 anatomical sciences educators. The questionnaire consisted of 50 items (open and multiple choice) for gross anatomy, microscopic anatomy, neuroanatomy, and embryology courses in medical schools across Mexico. A clinical approach was the most common course approach in all disciplines. Contact course hours and laboratory hours were higher in Mexican anatomy education compared to other countries, with the highest reported contact hours for embryology (133.4 ± 44.1) and histology (125 ± 33.2). There were similar contact hours to other countries for gross anatomy (228.5 ± 60.5). Neuroanatomy course hours (43.9 ± 13.1) were less than reported by the United States and similar to Saudi Arabia and higher than the United Kingdom. Dissection and microscopy with histological slides predominate as the most common laboratory activities. Traditional methods prevail in most of the courses in Mexico and only a few educators have implemented innovative and technological tools. Implementation of new methods, approaches, and curricular changes are needed to enhance anatomical sciences education in Mexico.
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http://dx.doi.org/10.1002/ase.2017 | DOI Listing |
Breast Cancer
January 2025
Department of Pathology and Histotechnology, Tohoku University Graduate School of Medicine, Sendai, Japan.
Exosome markers, CD63 and CD81, belong to the tetraspanin family and are expressed in solid tumors. It has been reported that these tetraspanin family members are prognostic factors in some cancers. However, the expression of CD63 and CD81 in pathological breast cancer specimens has not been reported.
View Article and Find Full Text PDFOral Maxillofac Surg
January 2025
Department of Restorative, School of Dentistry, Dental Research Center, Hamadan University of Medical Sciences, Pajouhesh Square, Hamadan, 6517838736, Iran.
Purpose: The harmony between the lips and the chin is an essential parameter in facial esthetics, and the mentolabial sulcus (MLS) represents the level of this harmony. This study aimed to assess the effect of MLS depth on facial profile attractiveness in long-face, short-face, and normal-face Iranian female individuals.
Methods: An observational study with a questionnaire was conducted, and a profile photograph of an Iranian female with class I occlusion was altered to create long-face, normal-face and short-face profiles with MLS depth ranging from 1 to 12 mm.
Acta Neurochir (Wien)
January 2025
Hamlyn Centre, Imperial College London, London, UK.
Background: Intraoperative ultrasound is becoming a common tool in neurosurgery. However, effective simulation methods are limited. Current, commercial, and homemade phantoms lack replication of anatomical correctness and texture complexity of brain and tumour tissue in ultrasound images.
View Article and Find Full Text PDFCell Tissue Res
January 2025
Laboratory of Anatomy and Cell Biology, Department of Health Sciences, Kyorin University, 5-4-1 Shimorenjaku, Mitaka, Tokyo, 181-8612, Japan.
Adult tissue stem cells of the anterior pituitary gland, CD9/SOX2-positive cells, are believed to exist in the marginal cell layer (MCL) bordering the residual lumen of the Rathke's pouch. These cells migrate from the intermediate lobe side of the MCL (IL-MCL) to the anterior lobe side of the MCL and may be involved in supplying hormone-producing cells. Previous studies reported that some SOX2-positive cells of the anterior lobe differentiate into skeletal muscle cells.
View Article and Find Full Text PDFNaturwissenschaften
January 2025
Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia Universidade Federal de Santa Maria (CAPPA/UFSM, Rua Maximiliano Vizzotto, 59897230-00, São João do Polêsine, Rio Grande do Sul, Brazil.
Prozostrodontia is a clade of probainognathian cynodonts that exhibit several morphological innovations later inherited by mammals. The earliest representatives of this group have been found in the Upper Triassic deposits of southern Brazil. In this study, we report the discovery of a probainognathian cynodont from the Buriol site (São João do Polêsine, Rio Grande do Sul, Brazil), Hyperodapedon Assemblage Zone (Late Triassic).
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