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Septum of the penis - dissection, anatomical description and functional relevance.
Basic Clin Androl
November 2024
Morphological Sciences Department, Anatomy Discipline, University of Medicine and Pharmacy "Carol Davila" Bucharest, Bucharest, Romania.
Background: The septum of the penis or the pectiniform septum (from Latina pecten) is a connective structure that separates the two corpora cavernosa of the penis. It is formed through the joining of the circular fibers of the tunica albuginea, which envelops the corpora cavernosa. The septum neither completely separates, nor entirely joins the two corpora cavernosa.
View Article and Find Full Text PDFA case of mitral regurgitation due to bilateral undifferentiated papillary muscles with detailed preoperative diagnosis of associated morphological abnormalities.
Gen Thorac Cardiovasc Surg Cases
May 2024
Department of Cardiovascular Surgery, Fukuoka University Faculty of Medicine, Nanakuma 7-45-1, Jyonanku, Fukuoka-Shi, Fukuoka, 814-0180, Japan.
Incomplete differentiation of the mitral valve structures during fetal life results in the papillary muscles and tendon cords becoming hypoplastic, a condition termed undifferentiated papillary muscles (UDPM). This fetal abnormality causes a group of diseases that cause mitral valve dysfunction in adult life. Here, we report a case of UDPM centered on the medial posterior apex in which detailed morphological abnormalities were diagnosed preoperatively using echocardiography and three-dimensional computed tomography (3DCT) analysis, contributing to plastic surgery.
View Article and Find Full Text PDFTyrosine-Like Crystalloids Localize to Non-Neoplastic True Vocal Cord and Attachments.
Head Neck Pathol
August 2024
Department of Pathology and Laboratory Medicine, Emory University School of Medicine, 550 Peachtree St. NE Davis Fischer Bldg, Suite #1314A, Atlanta, GA, 30308, USA.
Background: Tyrosine-rich or tyrosine-like crystalloids (TC) were initially described in salivary gland pleomorphic adenoma. The presence of TC in non-neoplastic tissues is rare, and it has been reported exclusively in the larynx. This study aims to characterize the frequency and anatomical localization of TC in total laryngectomy specimens.
View Article and Find Full Text PDFMorphometric evaluation of the left atrioventricular valve complex and its clinical relations.
Folia Morphol (Warsz)
June 2024
Department of Anatomy, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Türkiye.
Background: In this study, it was aimed to evaluate morphometrically and morphologically the left fibrous ring, mitral leaflets, tendinous cords, and papillary muscles, which are the components of the left atrioventricular valve complex (LAVC), and to reveal their clinical relationships.
Materials And Methods: A total of 120 human hearts were examined at the Forensic Medicine Institute. Cases aged 30 years and older, less than 24 hours after their death, were included in the study.
Gene expression of Postn and FGF7 in canine chordae tendineae and their effects on flexor tenocyte biology.
J Orthop Res
May 2024
Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Article Synopsis
- Chordae tendineae are heart structures connecting muscles to valves, acting like tendons, and they show remarkable durability against overuse injuries, unlike common issues seen with musculoskeletal tendons.
- This study aimed to figure out why chordae tendineae are so resistant to injury and to assess their impact on flexor tenocyte biology, which are the cells in tendons.
- The research found high levels of periostin and FGF7 in chordae tendineae, which when applied to flexor tenocytes in the lab, improved cell growth and stability, suggesting these molecules could help treat tendon injuries.
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