<p> The picture is of an aortic valve freshly dissected from a donated human heart, sitting on the aseptic processing field at the CryoLife tissue lab outside Atlanta. It is currently in a solution of tissue culture media to ensure the cells remain viable, and will undergo decontamination processes and cryopreservation at liquid nitrogen temperatures before storing. The valve regulates the flow of freshly oxygenated blood from the heart's left ventricle in to the aorta, the largest artery in the human body. Heart defects present at birth, infections, and age-related problems can all impair heart valve function, necessitating replacement surgery. CryoLife began storing frozen human valves for surgeons in 1984; previously, replacement valves often came from pigs. <a href="http://www.nathanperkel.com/" title="">Nathaniel Perkel</a>/CryoLife, Inc.</p><div class="vert-display-toggle collapsible relative flex flex-col items-center "><div class="vert-unit mt-4 mb-3 top-20"><div ad-type="mobile-desktop" class="ad-wrapper vert min-h-boombox flex items-start justify-center" data-ad-mapping="inline" data-ad-slot="Discover/inline-ad" id="div-inline-ad-0"></div></div><span aria-label="Advertisement" class="text-ad mt-1 text-[11px] uppercase">Advertisement</span></div>

fsb_cryo_-444-copy.jpg

Discover how aortic valve dissection plays a crucial role in heart valve replacement surgery and valve preservation techniques.

Health

Your (Cryogenically) Cold Heart

Article

News

Rebecca Horne

Science

The picture is of an aortic valve freshly dissected from a donated human heart, sitting on the aseptic processing field at the CryoLife tissue lab outside Atlanta. It is currently in a solution of tissue culture media to ensure the cells remain viable, and will undergo decontamination processes and cryopreservation at liquid nitrogen temperatures before storing. The valve regulates the flow of freshly oxygenated blood from the heart's left ventricle in to the aorta, the largest artery in the human body. Heart defects present at birth, infections, and age-related problems can all impair heart valve function, necessitating replacement surgery. CryoLife began storing frozen human valves for surgeons in 1984; previously, replacement valves often came from pigs. Nathaniel Perkel/CryoLife, Inc.

Discover Magazine’s award-winning journalism inspires and informs, delivering thought-provoking content that sparks meaningful conversations. With a focus on groundbreaking developments in science, technology, and the world around us, Discover highlights the impact of these innovations on our daily lives.

你（低温保存的）冷酷之心

新闻简报

丽贝卡·霍恩 (Rebecca Horne)

恶劣天气和关节疼痛之间是否存在隐藏的联系？

在多伦多发现新型合成阿片类药物Cychlorphine，引发芬太尼级别担忧

骆驼和美洲驼可能掌握着治愈大脑的意想不到的关键

致命的李斯特菌爆发揭示即食食品中的隐藏风险

新型抗生素效力可能提高100倍，并有潜力拯救无数生命

夜间光线过强可能会给你的大脑带来压力并损害你的心脏

感染新冠病毒或流感可能会使你中风和心脏病发作的风险增加三倍

褪黑素可能正在悄悄地损害你的心脏吗？

多吃蛋白质并非总是更好——多少算太多？

能吸附脂肪的珍珠奶茶珍珠能否取代像 GLP-1 激动剂这样的减肥药物？

压力袜如何为日常穿着者提供疼痛缓解和舒适感？

纤维最大化是营养学的下一个大事件，还是又一个潮流？

五分之一的尿路感染可能源于受污染的肉类

运动可以保护大脑免受垃圾食品带来的精神损害

“屁股呼吸”可能是一种非常规但对肺部有问题的人类安全的选择

保持好奇

加入我们的列表

订阅杂志