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retinacula cutis

Shawn Engell, John J Triano, James R Fox, Helene M Langevin, Elisa E Konofagou
BACKGROUND: Understanding the biomechanics of spinal manipulative therapy requires knowing how loads are transmitted to deeper structures. This investigation monitored displacement at sequential depths in thoracic paraspinal tissues parallel with surface load directions. METHODS: Participants were prone and a typical preload maneuver was applied to thoracic tissues. Ultrasound speckle tracking synchronously monitored displacement and shear deformation of tissue layers in a region of interest adjacent to load application to a depth of 4 cm...
March 2016: Clinical Biomechanics
Yuichi Tamatsu, Kazue Tsukahara, Yasushi Sugawara, Kazuyuki Shimada
The mechanism of formation of facial wrinkles has not been fully clarified due to the existence of many distinct influential factors. To clarify the relationship between facial wrinkles and structures in the skin, especially sebaceous glands, image analysis was performed on the forehead and lateral canthus regions of cadaveric skin specimens; 58 male and female donated cadavers (age range at death 20s - 90 s) were included in the study. Specimens were obtained from forehead and lateral canthus region after measuring wrinkle depth...
September 2015: Clinical Anatomy
Christian Herlin, Alina Chica-Rosa, Gérard Subsol, Benjamin Gilles, Francesco Macri, Jean Paul Beregi, Guillaume Captier
PURPOSE: With a view to developing a tool for predicting the behavior of soft tissues during plastic surgery procedures, we looked for the existence of homologies in the overall pattern of organization of the skin/subcutaneous tissue complex between various body parts, using high-resolution in vivo imaging methods and data available in the literature. METHODS: 3T MRI scanning sequences were performed using appropriate radiofrequency coils on the face, thorax, breast, abdomen and lower extremity of six healthy volunteers...
September 2015: Surgical and Radiologic Anatomy: SRA
Kazue Tsukahara, Yuichi Tamatsu, Yasushi Sugawara, Kazuyuki Shimada
OBJECTIVE: To identify whether there is a relationship between the depth of facial wrinkles and the density of the retinacula cutis in the subcutaneous tissue of the skin. DESIGN: Wrinkle depth was assessed with image analysis on the forehead and the lateral canthus of human cadavers. The density of the retinacula cutis was measured in Azan-Mallory-stained skin sections obtained around the wrinkles. SETTING: Gross Anatomy Section, Kagoshima University Graduate School of Medical and Dental Sciences...
January 2012: Archives of Dermatology
Masaaki Iwanami, Kazumi Tsurukiri
BACKGROUND: Understanding the anatomy of the lower eyelid, including the effect of aging, assists in blepharoplasty. METHODS: After celloidin was embedded, 30-mum-thick serial sagittal sections from the medial to the lateral canthus were prepared from two Japanese left lower eyelid specimens obtained from a young cadaver and an old cadaver. A comparative study was then performed. RESULTS: The orbicularis oculi muscle was divided into three portions...
June 2007: Plastic and Reconstructive Surgery
Lance G Nash, Mark N Phillips, Helen Nicholson, Russell Barnett, Ming Zhang
Skin ligaments (SL) (L. retinacula cutis) are present extensively in the face, hands, feet, and in breast tissue, but have seldom been reported elsewhere in the body. The traditional histological view of the subcutaneous region is that it comprises a matrix of loose connective tissue devoid of fibrous specializations. The purpose of this study was to determine the structure and distribution of skin ligaments. Eight embalmed cadavers (3 males, 5 females, 69-90 years of age) were used in this study. Tissue was prepared using the E12 plastination technique...
May 2004: Clinical Anatomy
G E Piérard, C M Lapière
We studied facial frown lines on cadaver skin. These wrinkles persisting after death were kept unmodified during the collecting procedure; some included the underlying bone. Their microanatomical basis lies in the hypodermis where trabeculae of the retinacula cutis are broader and much shorter underneath the wrinkle than in the surrounding skin. These trabeculae contain striated muscle cells. The hypertrophy of the extracellular matrix of the hypodermal septae is probably related to repetitive mechanical stimuli generated by the muscle cells...
August 1989: Archives of Dermatology
F Bojsen-Moller, K E Flagstad
On the basis of its internal structure, the ball of the foot can be divided into three transverse areas, each with a different mechanical function: (1) an area proximal to the heads of the metatarsals in which the retinacula cutis are developed into a series of transverse bands, and in which the deep fibres of the plantar aponeurosis form ten sagittal septa connected to the deep transverse metatarsal ligament and through this the proximal phalanges of the toes, (2) an area below the heads of the metatarsals in which vertical fibres from the joint capsules and the sides of the fibrous flexor sheaths form a cushion below each metatarsal head, and in which fat bodies cover the digital nerves and vessels in their passage between the cushions, and (3) a distal area which comprises the interdigital web...
July 1976: Journal of Anatomy
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