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KMID : 1237720240570010025
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Anatomy & Cell Biology
2024 Volume.57 No. 1 p.25 ~ p.30
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A novel histologic description of the fibrous networks in the lid-cheek junction and infraorbital region
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Lee Sang-Hee
Yi Kyu-Ho
Bae Jung-Hee
Choi You-Jin
Gil Young-Chun
Hu Kyung-Seok
Eqram Rahman
Kim Hee-Jin
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Abstract
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The aim of this study was to identify the anatomical feature of retaining ligament and fat compartment on the lower eyelid and infraorbital region using a histological method, and to investigate clear definitions for them which could be used generally in the clinical area. Eighteen specimens from eight fresh Korean cadavers were stained with Masson trichrome or hematoxylin and eosin. The ligamentous and fascial fibrous tissue were clearly identified. The ligamentous fibrous tissue which traversed in the superficial and deep fat layer was skin ligament and orbicularis retaining ligament (ORL). The fascial fibrous tissue enclosed the orbicularis oculi muscle (OOc) and circumferencial adipose tissue. Based on the ligamentous and fascial structure, three fat compartments, septal, suborbicularis oculi and infraorbital fat compartment, could be identified. The OOc attached to orbital rim and dermis by ORL and skin ligament, and the muscle fascicle and fat fascicle provided the connection point to the ORL and skin ligament as enclosing all muscle and fat tissue. The combination of the force made by the skin ligament in the lower eyelid and ORL may decide the level and form of the infraorbital grooves.
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KEYWORD
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Orbicularis retaining ligament, Infraorbital fat compartment, Facial ligament
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