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. 2008 May 2;82(5):1178–1184. doi: 10.1016/j.ajhg.2008.03.007

Figure 5.

Figure 5

Expresssion of NKX5-3 in External Ear from 20-Week Old Human Fetus

(A) Bright-field aspect of a tissue section of the cartilage of the external ear.

(B) Dark-field aspect of the same tissue section showing the absence of labeling at this stage of the inner part of the outer auricular cartilage (∗), whereas the perichondrum is displaying an intense NKX5-3 mRNAs labeling.

(C) Bright-field aspect of a tissue section of the external ear showing the noncartilaginous mesenchyme from which derive various glands.

(D) Dark-field aspects of the same tissue sections showing NKX5-3 transcripts labeling of mesenchymatous cells surrounding cilia (arrow head) and developing sebaceous glands.