藻状菌无性繁殖产生的孢子生在孢子囊内，所以称包囊孢子。孢子囊一般生在营养菌丝的顶端，或生在孢囊梗的顶端。许多真菌的孢囊梗具有分枝，而分枝的顶端也产生孢子囊。在形成孢子囊前，首先有多核的原生质密集与此处，使其膨大，并在下方生出横隔，然后其中原生质体割裂成许多小块，每块发育成一个孢囊孢子。因而数目一般相当多。
目的建立并分析卡氏肺孢子虫包囊的形态学数据和参数。
Objective To establish and analyze the morphological data and reference parameters of the Pneumocystis carinii cysts.
检查市售牛肉，人肉孢子虫包囊的阳性率为42.9％，显然藏族同胞感染肉孢子虫与生食或半生食牛肉、猪肉有关。
Sarcocystis was detected in 42.9% of beef specimens from the market. Obviously, sarcocystis infection in Tibetans is usually caused by eating raw or undercooked beef or pork.
目的探讨大鼠卡氏肺孢子虫包囊的形态学参数特征。
Objective The aim of this study was to measure morphological characteristic of Pneumocystis carinii cysts in rats.
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