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Wiltink, A. (author), Nijweide, P.J. (author), Oosterbaan, W.A. (author), Hekkenberg, R.T. (author), Helders, P.J.M. (author), TNO Preventie en Gezondheid (author)The effect of therapeutic doses of ultrasound was tested on endochondral ossification of in vitro developing metatarsal long bone rudiments of 16- and 17-day-old fetal mice. Bone growth, calcification and resorption following exposure to several doses of pulse-wave (PW) or continuous-wave (CW) ultrasound were examined. PW was applied at...article 1995
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Feron, V.J. (author), Immel, H.R. (author), Spit, B.J. (author), Instituut CIVO-Toxicologie en Voeding TNO (author)The trachea of Syrian golden hamsters was injured by electrocoagulation. The lesions induced as well as the repair process were studied by light and scanning electron microscopy. The changes observed were considered to create the proper conditions for studying the significance of severe focal damage to the respiratory tract for the formation of...article 1984
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Hollander, C.F. (author), Instituut voor experimentele gerontologie TNO (author), GO RBI IVEG (author)Cartilaginous tissue in the heart of rat has been described in literature by some as an ageing phenomenon, while others have observed it in young animals. Hearts of rats of different ages were studied for the occurence and localization of cartilaginous tissue. A cartilaginous focus has been regularly found in rats as young as 1 week old. This...article 1968