Krymskiĭ L D, Iaroshinskiĭ Iu N, Nestaĭko G V, Fursov B A
Arkh Patol. 1976;38(9):20-6.
The aortic valve, as well as the other valves of the heart, has a cellular structure. Collagenous fibres form the skeleton of the cellular structures, and the plexus of thinner fibres--the "walls". At early periods following the implantation destruction of thin fibres distributed along the periphery of the alveolus takes place. In the course of prolonged functioning of the allo- and xenovalves in a mitral position the large collagenous fibres collapse, defibration thereof develops and slits-vacuums and "cysts" are formed. In the valves which functioned for a long time in the tricuspid position no considerable destructive changes in the connective-tissue carcass take place.
主动脉瓣以及心脏的其他瓣膜都具有细胞结构。胶原纤维构成细胞结构的骨架，较细纤维的丛状结构——即“壁”。在植入后的早期，沿肺泡周边分布的细纤维会发生破坏。在二尖瓣位置的同种和异种瓣膜长期功能运作过程中，粗大的胶原纤维会塌陷，出现纤维松解，并形成缝隙状真空和“囊肿”。在三尖瓣位置长期发挥功能的瓣膜中，结缔组织框架未发生明显的破坏性变化。
