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Clinical Anatomy (New York, N.Y.) Sep 2023Since the superior umbilical artery is the only functioning branch of the patent umbilical artery, some anatomical and surgical books/atlases fail to clarify that it is... (Review)
Review
Since the superior umbilical artery is the only functioning branch of the patent umbilical artery, some anatomical and surgical books/atlases fail to clarify that it is a branch of the umbilical artery and not a direct branch of the anterior division of the internal iliac artery and so specifically state that it is a direct branch of the internal iliac artery. This discrepancy in nomenclature can obviously affect invasive procedures and communication between physicians. Therefore, the present review is intended to highlight this issue. The term "superior vesical artery" was searched using standard search engines, for example, PubMed and Google Scholar. Several standard and specialized anatomy textbooks were also examined to ascertain how the superior vesical artery was described. Thirty-two articles were identified that used the terms "superior vesical artery" or "superior vesical arteries." After applying exclusion criteria, in 28 papers, the definition of the superior vesical artery was undetermined in eight, described as a direct branch of the internal iliac artery in 13, described as a branch of the umbilical artery in six, and defined as being equivalent to the umbilical artery in one. Of the sampled textbooks, some defined the superior vesicle artery as a branch of the umbilical artery, some as a direct branch of the internal iliac artery and some as both. Taken all together, most define the superior vesical artery as a branch of the umbilical artery. As the superior vesical artery is described as a branch of the umbilical artery in the internationally accepted terminology (Terminologia Anatomica), we recommend that this definition be used by anatomists and physicians alike so that communication is clear.
PubMed: 37366060
DOI: 10.1002/ca.24084 -
Clinical Anatomy (New York, N.Y.) Apr 2024The aim of this study was to evaluate the content, quality, and functionality of YouTube videos on the anatomy of skull bones and to measure their educational...
The aim of this study was to evaluate the content, quality, and functionality of YouTube videos on the anatomy of skull bones and to measure their educational usefulness. In this cross-sectional study, the keywords "skull bones" and "skull anatomy" were searched in the YouTube search tab. Demographic data such as type, source, duration, upload date, and view rates of the videos were recorded. The quality and content of the videos were measured using the total content score (TCS), modified DISCERN scale, JAMA score, and Global Quality Scale (GQS). SPSS 26.0 software was used for statistical analysis. Twenty-five (34.7%) of the first 72 videos found by keyword searches were included in the study. According to the GQS criteria, six of them (24%) were considered useful and 19 (76%) not useful. There was a strong statistically significant correlation between the GQS and DISCERN scores (r = 0.813, p < 0.001). There were strong statistically significant positive correlations between TCS and GQS scores (r = 0.887, p < 0.001) and between TCS and modified DISCERN scores (r = 0.691, p < 0.001). Additionally, there was a moderately strong statistically significant positive correlation between GQS and JAMA scores (r = 0.507, p < 0.05). There were also moderately strong statistically significant correlations between JAMA score and DISCERN score (r = 0.521, p < 0.001), video length (r = 0.416, p < 0.05), number of comments (r = 0.457, p < 0.05), and number of "likes" (r = 0.608, p < 0.001). There was a moderately strong statistically significant positive correlation between TCS and JAMA scores (r = 0.431, p < 0.05). Most YouTube videos have insufficient information about skull bones to meet the expectations of medical and dental school curricula. Anatomists and institutions should be encouraged to prepare and present YouTube videos using assessment systems such as DISCERN, JAMA, GQS, and TCS, in line with current anatomy curricula.
Topics: Humans; Cross-Sectional Studies; Social Media; Skull; Students; Head; Reproducibility of Results; Video Recording; Information Dissemination
PubMed: 38308488
DOI: 10.1002/ca.24138 -
Anatomy & Cell Biology Dec 2023Understanding the anatomy of suprascapular area helps the clinicians and surgeons in management of any disability at the shoulder region. This work aimed to clear the...
Morphological types and morphometrical measurements of the suprascapular notch in both dry bones and human cadavers: anatomical study to improve the outcomes of the diagnostic and interventional procedures in the shoulder region.
Understanding the anatomy of suprascapular area helps the clinicians and surgeons in management of any disability at the shoulder region. This work aimed to clear the different morphological and morphometrical types of suprascapular notch (SSN). Unknown 120 dry human scapulae of both sides and 60 formalin-embalmed cadaveric upper limbs (40 males and 20 females) were used in the present study. Three main morphological forms of SSN were reported: J, U, and V-shaped. J-shaped notch showed the highest incidence followed by U-shaped then V-shaped one. Morphometrically, type (III) notch was the most prevalent in both dry bones and cadavers, while the incidence of type (II) was the lowest form. Also, the measurements of superior transverse diameter, middle transverse diameter and vertical dimension of the different types of the notch showed no side or sex significant difference. The suprascapular foramen with ossified superior transverse scapular ligament (STSL) was seen in 5.8% of dry bones and 10% of cadaveric specimens. Fan and band-shaped ossified transverse scapular ligaments were reported. Absence of SSN was seen in 10.8% of dry bones, 7.5% of male and 10% of female specimens with left side predominance. V-shaped, absence, and ossified STSL were considered as predisposing factors of suprascapular nerve entrapment syndrome. Knowledge of the morphology and morphometric parameters of SSN is of great clinical significance for anatomists, radiologists, physiotherapists, orthopedics and neurosurgeons to perform good diagnosis and best planning for surgical or arthroscopic interventions within the shoulder region.
PubMed: 37853804
DOI: 10.5115/acb.23.167 -
La Clinica Terapeutica 2023Anatomy, one of medicine's vital subjects, demands extreme visualization to understand the intricate architecture of the human body. Although various other methods of... (Review)
Review
Anatomy, one of medicine's vital subjects, demands extreme visualization to understand the intricate architecture of the human body. Although various other methods of virtual dissections are in place, an increasing number of anatomists, clinicians, and surgeons are advocating for re-enhancing anatomical education through traditional cadaveric dissection. These traditional pedagogies potentially expose anatomy educators to various risks in the dissection laboratory, which endangers their health and well-being. Unfortunately, no one is counting on them or the hazards they face. It's like saying, "Fall ill at your own peril." Various studies have revealed the occupational hazards anatomists are exposed to, but the issue remains unheard of or relatively heard. Hence, this narrative review aims to highlight numerous occupational risks that anatomists face worldwide, particularly in underdeveloped or developing nations. Simultaneously, the authors strongly advocate that competent authorities review and evaluate the working conditions of anatomy laboratories and frame policies that ensure the rights and optimal health of anatomy educators.
Topics: Humans; Education, Medical, Undergraduate; Students, Medical; Cadaver; Dissection; Workplace; Anatomy; Curriculum
PubMed: 37674454
DOI: 10.7417/CT.2023.2462 -
Journal of Neurosurgical Sciences Dec 2023Bartolomeo Panizza (1785-1867) was an eminent anatomist and a pupil of Antonio Scarpa (1752-1832) at the University of Pavia. In 1855, before the revolutionary studies...
Bartolomeo Panizza (1785-1867) was an eminent anatomist and a pupil of Antonio Scarpa (1752-1832) at the University of Pavia. In 1855, before the revolutionary studies of Paul Broca (1824-1880) on aphasia that supported the theory of cortical localizations, Panizza delivered a lecture in Milan on the anatomy of the visual system, Osservazioni sul Nervo Ottico ("Observations on the optic nerve"). This lecture contains the first description of the cortical projection of the visual pathways in the occipital lobe, anticipating the revolutionary studies performed by Hermann Munk (1839-1912) in the late 19 century. The findings of Panizza questioned the assumption of the French physiologist, Marie-Jean-Pierre Flourens (1794-1867) who was defending the holistic concept of cerebral equipotentiality, which was widely accepted among the scientific community in the early 19 century. The present essay highlights the life and the scientific studies of Bartolomeo Panizza, with emphasis on the issue of cerebral localization that was simmering in the scientific community at that time.
Topics: Humans; Visual Cortex; History, 18th Century; Anatomy; Italy
PubMed: 37158711
DOI: 10.23736/S0390-5616.22.05696-X -
Journal of Medical Biography Feb 2024Xavier Bichat, who lived a short life (1771-1802), was prominent French anatomist and physiologist during the time of revolution and one of the founders of French...
Xavier Bichat, who lived a short life (1771-1802), was prominent French anatomist and physiologist during the time of revolution and one of the founders of French scientific medicine. He played a key role in the creation of the science of histology. Indeed, he was the first to see the organs of the body as being formed through the specialization of simple, functional units (tissues). Bichat is also known as one of the last of the major theorists of vitalism.
Topics: Humans; Anatomy; History, 18th Century; History, 19th Century
PubMed: 35491683
DOI: 10.1177/09677720221097795 -
Anatomical Sciences Education 2023The COVID-19 pandemic caused major disruption to anatomical teaching worldwide with both lectures and practicals being moved online. Throughout this period anatomists...
The COVID-19 pandemic caused major disruption to anatomical teaching worldwide with both lectures and practicals being moved online. Throughout this period anatomists were able to find new and innovative ways to teach and to aid student learning via a variety of delivery modes. This study aimed to interview anatomists who were involved in teaching undergraduate medical students at UK universities to document the changes that occurred and to understand academic perceptions of pandemic delivery to comprehend how anatomy education may change in the long term. Results suggest that academics are likely to continue to deliver anatomical lectures online post-pandemic akin to a flipped classroom approach, although caution was noted regarding 'at-risk' student groups. No academics wished to see continued delivery of practical classes online, however, resources designed or invested in during the pandemic will be integrated into practical classes or pre-class preparation allowing for a more complete student experience. No clear picture emerged as to the preferred way staff and students will communicate in the current post-pandemic hybrid working environment and beyond. This will likely only be resolved when a new pattern of home working evolves in UK institutions. This report is the first to detail the academic vision of anatomy teaching in a post-pandemic world and will be useful to those adapting to these changes and for those pedagogical researchers targeting where anatomical education research should focus moving forward.
Topics: Humans; Pandemics; Curriculum; Anatomy; COVID-19; Students, Medical; Teaching
PubMed: 37312264
DOI: 10.1002/ase.2308 -
Morphologie : Bulletin de L'Association... Jun 2024Tensor fasciae suralis (TFS) is an accessory muscle of the posterior lower extremity. Although TFS has been documented in cadaveric and radiological reports, its... (Review)
Review
Tensor fasciae suralis (TFS) is an accessory muscle of the posterior lower extremity. Although TFS has been documented in cadaveric and radiological reports, its prevalence remains unknown. The TFS variant is noteworthy to anatomists, as it may be encountered in the dissection laboratory, and clinicians, as the muscle could potentially cause confusion during physical examination or diagnostic imaging. Multiple variations of TFS have been reported in the literature, suggesting the need for a classification system. We dissected 236 formalin-fixed cadaveric lower limbs to determine the prevalence of TFS. The PubMed and MEDLINE databases were searched to compare the anatomical features of independent TFS case reports. In our prevalence study, the TFS muscle was identified in three lower limbs (1.3%). In total, 38 cases of TFS (32 cadaveric and six radiological) were identified in the literature. Our literature review revealed that the accessory muscle most often arises as a single head from the long head of the biceps femoris, yet many other presentations have been documented. The need for a classification system to distinguish between the subtypes of TFS became apparent during the literature review. Tensor fasciae suralis is a rare muscle, present in only 3 of 236 (1.3%) cadaveric lower limbs dissected in this study. We propose the use of a classification system, based on muscle origin and number of heads, to better organize the subtypes of TFS.
Topics: Humans; Cadaver; Male; Female; Prevalence; Muscle, Skeletal; Aged; Anatomic Variation; Lower Extremity; Aged, 80 and over; Middle Aged
PubMed: 38325018
DOI: 10.1016/j.morpho.2024.100762 -
Clinical Hemorheology and... 2024This review spans a wide arc from the first observations of the early anatomists to the present day. William Harvey was the first to describe the heart as the centre... (Review)
Review
This review spans a wide arc from the first observations of the early anatomists to the present day. William Harvey was the first to describe the heart as the centre of the large and small circulatory system. He thus replaced the previously valid system of Galenos, It was Marcello Malpighi who first described that the capillary system connects the arteries with the veins. In 1688 Antoni van Leeuwenhoek (1632-1686) confirmed these results with a paper on capillary perfusion in the caudal fin of the glass eel. It was then Hermann Boerhave (1668-1738, Leiden) who was the first to carry out microcirculation tests on patients. He studied the microcirculation in the human bulbar conjunctiva. Even today, microcirculation studies in the conjunctiva bulbi of patients are carried out today. Until 1831, it was never quite clear whether the observations reported belonged mainly to the field of microcirculation, which had not yet been defined. This was done in Great Britain by Marshall Hall (1790-1857). Technical Improvements allowed increasingly sophisticated studies of the morphological structure of the terminal vasculature. According to Gustav Ricker (1870-1948, Vienna), the terminal vasculature comprises the functional unit of the smallest arteries, arterioles, capillaries and venules. In 1921 it was still thought that the blood circulation was the sole response to the pumping action of the heart. Even the classic work by Bayliss on the myogenic hypothesis (later referred to as "blood flow autoregulation") initially received little attention. More strikingly, even the findings of August Krogh, for which he received the Nobel Prize in Medicine in 1920 (for his discovery of the mechanisms of capillary motor regulation), were ignored. During an outstanding autoregulation symposium held in 1963 a broad consensus was reached on active and passive mechanisms, which is more or less valid till today. The mechanisms of regulation of capillary blood flow are now largely understood, although not completely resolved. The development of video systems with recording capability and automated off-line recording of capillary erythrocyte velocities allowed the application of morphological and dynamic studies of cutaneous capillaries in humans. These reopened the field of physiological or pathophysiological questions again for many groups worldwide. Since 1955, many publications on "microcirculation (5423)" and "capillary microscopy (2195)" have been listed in pubmed.
Topics: Humans; Capillaries; Erythrocytes; Microcirculation
PubMed: 38363606
DOI: 10.3233/CH-248001 -
Skin Research and Technology : Official... Nov 2023An intradermal injection is a medical procedure that involves administering a small amount of medication or substance into the dermal layer of the skin. This research...
BACKGROUND
An intradermal injection is a medical procedure that involves administering a small amount of medication or substance into the dermal layer of the skin. This research focused on identifying the most suitable injection needle for precise intradermal administration of skin boosters.
METHODS
The study involved conducting intradermal injections on four cadavers and participants using a 2 mm length, 34-gauge needle (N-Finders, Inc., South Korea). During the cadaveric study, the polynucleotide prefilled syringe was dyed green, and an anatomist performed dissections, removing only the skin layer. Ultrasonographic observations were carried out to ensure accurate intradermal injection placement.
RESULTS
In all four cadavers, the facial injections at the anterior cheek region were precisely administered intradermally at a 30-degree injection angle. However, the 90-degree injection was found just below the dermal layer upon skin layer removal.
DISCUSSION
The findings suggest that using a 2 mm needle length allows for easy and convenient intradermal injections.
Topics: Humans; Injections, Intradermal; Skin; Pharmaceutical Preparations; Needles; Ultrasonography
PubMed: 38009043
DOI: 10.1111/srt.13529