肺是一个分泌激素的器官在各种病理状态中,肺可以释放一种或几种具药理学活性的物质,其中许多不是正常循环中的激素,但有激素的功能。组织胺和速发型超敏反应的其他介质:体内的组织胺,主要存在于肥大细胞中,在某些条件下,最重要的是过敏状态如急性支气管哮喘时,就可被免疫机制所激发而释放出来。最近观察到,有数种免疫球蛋白与这些免疫机制有关,包括IgE和IgG。这些反应除作用于肥大细胞外,也可作用于中性白细胞。组织胺虽然是过敏反应的一种主要介质,但不是唯一的,还有其他一些被释放的化学物质促使充分反应,包括:类脂质,如所谓过敏性慢反应物质(SRSA)及前列腺素;胺类,如五羟色胺;多肽,如缓激呔和过敏性嗜酸性细胞趋化性因子(ECF-A);蛋 Lung is a hormone-secreting organ In various pathological conditions, the lungs release one or more pharmacologically active substances, many of which are not hormones in the normal circulation but have hormonal functions. Histamine and other mediators of immediate hypersensitivity: Histamine in the body is found primarily in mast cells and under some conditions the most important of which is an allergic condition such as acute bronchial asthma, can be stimulated by the immune mechanism Release it. It has recently been observed that several immunoglobulins are involved in these immune mechanisms, including IgE and IgG. In addition to these reactions on mast cells, but also on the role of neutrophils. Although histamine is a major mediator of allergic reactions, it is not unique and there are other chemicals released that promote full response, including: lipids such as the so-called SRSA and prostaglandins; Amines, such as serotonin; polypeptides, such as bradykinin and eosinophilic chemotactic factor (ECF-A); eggs