复合毛囊，显微照片，犬
Photomicrograph showing a compound hair follicle in a dog. The large hairs are primary hairs (P) and are surrounded by many smaller secondary hairs (S). Original magnification 40X.
Courtesy of Dr. Karen Moriello.
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Photomicrograph showing a compound hair follicle in a dog. The large hairs are primary hairs (P) and are surrounded by many smaller secondary hairs (S). Original magnification 40X.
Courtesy of Dr. Karen Moriello.
