在超微结构上，肿瘤细胞具有逐渐变细的细胞核，且细胞核具有长而细腻的胞浆突起，并与突出的浆膜下的胞吞小泡相关。
Ultrastructurally, the tumor cells had tapering nuclei with long, delicate cytoplasmic processes associated with prominent subplasmalemmal pinocytotic vesicles.
成骨细胞分化所需的第二个重要转录因子是一种具有锌指结构的，对骨形成十分重要的转录因子。
A second important transcription factor required for osteoblastic differentiation is osterix.
最常见的原因是突发性(原因不明)低血小板紫癜(itp)，血小板是帮助血液凝结的血细胞(其实血小板不具有细胞结构——译者注)。
The most common reason is a condition called idiopathic (unknown cause) thrombocytopenia (low platelets) purpura (ITP). Platelets are blood cells which aid is blood clotting.
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