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Anatomy laboratories have been replacing formaldehyde with solutions that retain the characteristics of fresh tissue. For this purpose, alternative solutions with a very low concentration of formaldehyde or without any formaldehyde have been analyzed. The objective of this study was to compare biometry, coloration, haptic properties, and bacterial load on animal specimens (pig kidneys) embalmed with formaldehyde, and with Chilean Conservative Fixative Solution with and without formaldehyde (formaldehyde chCFS and formaldehyde\u2010free chCFS). Also, the perception of health and biological science students toward specimens treated with different solutions was assessed. The results indicated that there were no significant differences in specimens\u2019 retraction, or bacterial load. Students showed a preference for organs embalmed in formaldehyde chCFS and formaldehyde\u2010free chCFS; indicating that with these treatments they could better visualize structures and that the prosections had greater flexibility and the colors were more similar to those of fresh tissue. Additionally, students recommended the material embalmed in formaldehyde chCFS and formaldehyde\u2010free chCFS for anatomy learning. In contrast, students indicated that formaldehyde\u2010fixation negatively affected their practical experience. In conclusion, embalming with formaldehyde chCFS or formaldehyde\u2010free chCFS provides an advantageous practical experience over the use of formaldehyde and may be an alternative to replace the use of formaldehyde in anatomy laboratories.<\/jats:p>","DOI":"10.1002\/ase.2042","type":"journal-article","created":{"date-parts":[[2020,12,19]],"date-time":"2020-12-19T12:41:05Z","timestamp":1608381665000},"page":"836-846","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Comparison of Haptic and Biometric Properties, Bacterial Load, and Student Perception of Fixative Solutions: Formaldehyde Versus Chilean Conservative Fixative Solution with and without Formaldehyde in Pig Kidneys"],"prefix":"10.1002","volume":"14","author":[{"given":"Marianne","family":"Skopnik\u2010Chicago","sequence":"first","affiliation":[{"name":"Laboratory of Morphological Sciences Institute of Biology Pontificia Universidad Cat\u00f3lica de 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