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Clinical Anatomy

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https://www.readbyqxmd.com/read/28422355/new-insights-into-the-morphogenesis-of-the-gubernaculum-testis-and-the-inguinal-canal
#1
Jose Bouzada, Teresa Vázquez, Manuel Duran, Vincent Delmas, Theresa Larkin, Miguel A Cuesta, Jose SañUDO
There is no consensus about the role of the gubernaculum testis (GT). Nineteen human embryos (Carnegie stages 15-23), 36 fetuses (9 weeks to term), and eight neonates were examined. All the embryos and 25 fetuses (from weeks 9-16) were processed for paraffin wax histology and serially sectioned at 10 µm thickness. The remaining 11 fetuses and the eight neonates were fresh specimens that were dissected under a surgical microscope. The GT appeared during the embryonic period (stages 17-23) with a horseshoe-shaped mesenchyme condensation of the superior concavity, which was observed in four different topographical regions sequentially through development...
April 19, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28407360/the-anterolateral-ligament-a-cadaveric-study-in-foetuses
#2
Ainhoa Nekane Toro-Ibarguen, Juan Pretell-Mazzini, Elena Pérez, Isabel Pedrajas, Juan Miguel Cano-Egea, Jose Ramón Sanudo
INTRODUCTION: The aim of this study was to determine the presence and morphology of the anterolateral ligament (ALL) of the knee in a sample of fetuses. We hypothesized that the ALL is present in sample fetuses and its origin is not related to repetitive stresses throughout life. MATERIAL & METHODS: Forty fresh-frozen knees from cadaveric fetuses were dissected using a standard technique. The ALL and other structures in the anterolateral compartment of the knee were identified...
April 13, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28401992/-operating-without-a-firm-knowledge-of-anatomy-leads-directly-to-increased-morbidity-and-mortality
#3
EDITORIAL
R Shane Tubbs
No abstract text is available yet for this article.
April 12, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28395114/abstracts-presented-at-the-winter-meeting-of-the-british-association-of-clinical-anatomists-on-15th-december-2016-at-the-leeds-institute-of-medical-education-university-of-leeds-leeds-united-kingdom
#4
https://www.readbyqxmd.com/read/28395109/anatomo-radiological-patterns-of-pancreatic-vascularization-with-surgical-implications-clinical-and-anatomical-study
#5
Veronica Macchi, Edgardo Enrico Edoardo Picardi, Andrea Porzionato, Aldo Morra, Romeo Bardini, Marios Loukas, R Shane Tubbs, Raffaele De Caro
INTRODUCTION: The pancreas receives multiple arterial sources that should be considered in patients undergoing pancreatic surgery. The aim of this study is to describe pancreatic vascularization and to explore the anatomical basis of postoperative complications. MATERIALS AND METHODS: Ten specimens from un-embalmed cadavers, including the retroperitoneal vessels and organs and spleen, were injected with acrylic resins to obtain vascular casts. Thirty computed tomography angiographies (CTA) of subjects with no pancreatic pathology (mean age 70...
April 10, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28390154/accessory-mandibular-foramina-a-trivial-research
#6
LETTER
Hasmukh A Buch
No abstract text is available yet for this article.
April 8, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28342284/survey-of-body-donation-programs-in-the-us-concerning-the-use-of-donor-personal-information-with-medical-students
#7
Johanna Gerwer, Thomas R Gest
Body donor programs need to balance ethical concerns and educational needs. Among donor programs in the US, there is variability in the amount of donor personal information that is provided to medical students. This study assesses this variability and investigates the reasons for the variability among donor programs. Telephone interviews and email surveys were used to collect information concerning the provision and use of donor personal information with medical students. One hundred fifty-one donor programs in the US were contacted via email or telephone interview or both...
March 25, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28340518/prevalence-and-distribution-of-sesamoid-bones-in-the-hand-determined-using-digital-tomosynthesis
#8
Bon San Koo, Yoonah Song, Yoon-Kyoung Sung, Seunghun Lee, Jae-Bum Jun
The aim of this study was to identify the prevalence and distribution of sesamoid bones in the hand using digital tomosynthesis (DTS) in comparison to previous studies. Using conventional radiography (CR) and DTS, hand images (81 left and 100 right) taken at a tertiary hospital were retrospectively reviewed. The sesamoid bones were identified in the interphalangeal (IP) and metacarpophalangeal (MCP) joints of the thumb (I), and in the distal interphalangeal (DIP) and metacarpophalangeal (MCP) of index (II), middle (III), ring (IV), and little (V) fingers...
March 24, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28340499/pagan-symbols-associated-with-the-female-anatomy-in-the-medici-chapel-by-michelangelo-buonarroti
#9
Deivis de Campos, Andrea Oxley da Rocha, Rodrigo de Oliveira Lemos, Tais Malysz, João Antonio Bonatto-Costa, Geraldo Pereira Jotz, Lino Pinto de Oliveira Junior, Miriam da Costa Oliveira
Numerous studies have shown that many works of art from the Renaissance period contain hidden symbols and codes that could have religious, mathematical and/or pagan significance and even anatomical allusions. In this context, the present manuscript offers new evidence that the great genius of anatomy, Michelangelo Buonarroti (1475-1564), included pagan symbols associated with female anatomy in the funerary monuments found in the Sagrestia Nuova/Medici Chapel (1519-1533) in Florence, Italy. The interpretation of the symbols provided in this study will interest those with a passion for the history of anatomy...
March 24, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28321940/anatomy-of-psoas-muscle-innervation-cadaveric-study
#10
Mark A Mahan, Luke E Sanders, Jian Guan, Andrew T Dailey, William Taylor, David A Morton
Hip flexion weakness is relatively common after lateral transpsoas surgery. Persistent weakness may result from injury to the innervation of the psoas major muscles (PMMs); however, anatomical texts have conflicting descriptions of this innervation, and the branching pattern of the nerves within the psoas major, particularly relative to vertebral anatomy, has not been described. The authors dissected human cadavers to describe the branching pattern of nerves supplying the PMMs. Sixteen embalmed cadavers were dissected, and the fine branching pattern of the innervation to the PMM was studied in 24 specimens...
March 21, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28318062/breast-anatomy-time-to-classify-the-subpectoral-and-prepectoral-spaces
#11
LETTER
R Vidya, F M Iqbal
No abstract text is available yet for this article.
March 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28295613/the-clinical-view-for-dissection-of-the-lingual-nerve-with-application-to-minimizing-iatrogenic-injury
#12
Joe Iwanaga
The importance of the position of the lingual nerve in the oral cavity cannot be understated for dentists and oral surgeons. Therefore, the location of the lingual nerve with various positions of the tongue is important. However, most dental and medical students are taught oral cadaveric anatomy where tissues are fixed. Therefore, the focus of this article is to demonstrate how the lingual nerve moves based on tongue movement in fresh tissues and how this is important for dentists and oral surgeons. Clin. Anat, 2017...
March 14, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28295651/the-cremasteric-reflex-and-its-muscle-a-paragon-of-ongoing-scientific-discussion-a-systematic-review
#13
Gilbert M Schwarz, Lena Hirtler
The technique of triggering the cremasteric reflex and its respective signaling pathway is not described uniformly throughout the literature. As this reflex is a useful sign in diagnosing testicular torsion, orchitis, varicocele, and undescended testis, it seems desirable to identify and define the correct mechanism. Our aim was to investigate how the cremasteric reflex and its signaling pathway are described in the current literature and how the variability of the innervation of the inguinal region could affect the frequency of this reflex...
March 13, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28295608/incidence-and-anatomical-variations-of-accessory-navicular-bone-in-patients-with-foot-pain-a-retrospective-radiographic-analysis
#14
Heba Kalbouneh, Omar Alajoulin, Mohammad Alsalem, Noor Humoud, Jamil Shawaqfeh, Mohammad Alkhoujah, Hana Abu-Hassan, Waleed Mahafza, Darwish Badran
The accessory navicular (AN) is an accessory ossicle anatomically located on the medial side of the foot, proximal to the navicular and continuous with the tibialis posterior tendon. It is occasionally a source of pain and local tenderness. Knowledge of the AN and its morphological variations can help identify the source of a patient's symptoms and prevent misinterpreting them as fractures. Foot radiographs from 1,240 patients who presented in two centers with chronic foot pain, or persistent pain developed after trauma, were retrospectively reviewed to determine the incidence and variations of the AN in relation to gender...
March 13, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28295578/measurement-of-acetabular-version-based-on-biplanar-radiographs-with-3d-reconstructions-in-comparison-to-ct-as-reference-standard-in-cadavers
#15
Christoph A Agten, Maciej Jonczy, Oliver Ullrich, Christian W A Pfirrmann, Reto Sutter, Florian M Buck
To quantify acetabular version using 3 D reconstructions based on biplanar radiographs (BPR) with CT as reference standard. No institutional review board approval was needed. Nine dry-bone pelvises underwent BPR in five different positions (rotation/tilt). The 3 D models of each pelvis were reconstructed by two radiologists on the basis of anatomical landmarks using semi-automated software. Automated software was used to assess the 3 D models and to calculate acetabular versions perpendicular to the anterior pelvic plane on all levels in the craniocaudal direction in 1 mm steps...
March 13, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28281304/variations-in-sural-nerve-formation-pattern-and-distribution-on-the-dorsum-of-the-foot
#16
Su Kyoung Jeon, Doo-Jin Paik, Young-Il Hwang
The sural nerve, a cutaneous nerve, is clinically important because it is frequently for nerve conduction testing, biopsy, and harvesting for nerve grafts. This nerve exhibits a wide variety of variation in formation, distribution on the dorsum of the foot, and so on, depending on the population observed. In this study, we examined the variation in the sural nerve in 110 Korean cadavers. Of these cadavers, 86.1% of the sural nerves corresponded to type A, where tibial and peroneal components were united to form the sural nerve...
March 9, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28281300/the-effect-of-anatomical-placental-location-on-the-third-stage-of-labor
#17
Ulaş Fidan, Mustafa Ulubay, Serkan Bodur, Mehmet Ferdi Kinci, Kazim Emre KaraşahiN, Müfit Cemal Yenen
According to the lower uterine segment and trophotropism hypotheses of placental implantation, placentation occurs in uterine segments with a high blood supply. The present study was designed to determine the clinical implications of these hypotheses by assessing the dynamics of the third stage of labor. Two-hundred and ninety-two prospectively followed pregnant women were assessed at the time of delivery. The uterine locations of the placentas were determined according to the position of the main placental volume and mass under a sagittal view obtained using a centrally located ultrasonography probe...
March 9, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28281294/the-influence-of-wrist-posture-grip-type-and-grip-force-on-median-nerve-shape-and-cross-sectional-area
#18
Jeffrey C Cowley, Joshua Leonardis, David B Lipps, Deanna H Gates
During grasping, the median nerve undergoes mechanical stress in the carpal tunnel which may contribute to carpal tunnel syndrome. This study investigated the effects of wrist posture, grip type, and grip force on the shape and cross-sectional area of the median nerve. Ultrasound examination was used to obtain cross-sectional images of the dominant wrist of 16 healthy subjects (8 male) at the proximal carpal tunnel during grasping. The cross-sectional area, circularity, and axis lengths of the median nerve were assessed in 27 different conditions (3 postures × 3 grip types × 3 force levels)...
March 9, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28281291/the-innominate-tubercle-of-the-femur-application-to-anterior-surgical-approaches-to-the-hip
#19
O Kielbasinski Podlaszewska, J Bekvalac, R L Williams, P J Adds
There has recently been an increase in popularity of the direct anterior approach (DAA) hip arthroplasty, due to the muscle sparing nature of its interneural intervals, with the innominate tubercle being used as a lateral reference point for the femoral neck osteotomy. However, there is very little information in the literature on this rather enigmatic structure, with no evidence as to whether it is a consistent and reliable marker, or if it varies significantly in the population. In this study, data were gathered from 79 pairs of adult, post-medieval skeletal femora to investigate the effects of sex, age, femoral side, femoral length, femoral neck length, and femoral neck-shaft angle on the width, length, and height of the innominate tubercle...
March 9, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28281277/study-of-normal-volumetric-variation-in-the-putamen-with-age-and-sex-using-magnetic-resonance-imaging
#20
Sujay Halkur Shankar, Sandeep Ballal, R Shubha
Putamen volume is seen to alter in neurological and psychiatric disorders like Parkinson's disease, depression, schizophrenia, Alzheimer's disease, and in individuals treated with antipsychotics. To establish a trend in volume changes in pathologic states, studies on factors influencing normal variation in a given population become essential. This study aimed to evaluate the normal variations in putamen volume in the Indian population and correlate them with the effects of age and sex. Bilateral symmetry was also evaluated...
March 9, 2017: Clinical Anatomy
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