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. Author manuscript; available in PMC: 2014 Feb 19.
Published in final edited form as: Ann Otol Rhinol Laryngol. 2013 Feb;122(2):135–144. doi: 10.1177/000348941312200210

Fig 8.

Fig 8

Distribution of collagen birefringence observed in coronal (A,C) and diagonal (B,D) sections at various depths within lamina propria of human (A,B) and rhesus monkey (C,D) vocal folds. Human samples had pattern very different from rhesus monkey samples in terms of birefringence level throughout thickness; ie, rhesus monkey samples had high birefringence level closer to epithelial layer, whereas in human samples, high birefringence was mostly at region closer to muscle. TA — thyroarytenoid muscle; LP — lamina propria; E — epithelial layer; d — normalized depth of LP; d=0 — E/LP boundary; d=1 — TA/LP boundary.