Cutting of SKIN! ???? Histology is the studies of tissue. Actives are tested on small skin pieces. The skin is put in wax and then cut in thiiiin slices, 5 micrometer????. A hair strand is approximately 100 micrometer. Later these slices are stained and
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三萬年前是森林，三萬年後是石林。有什麼是不可能的？ . . . #尖峰石陣 #pinnacles #australia #perth #澳洲 #珀斯 #westernaustralia #igaustralia #igperth #love #instacool #travel #vacation #instatravel #instago #instagood #trip #holiday #photooftheday # instapassport #mytravelgram #travelgram
