急性淋巴细胞白血病和急性粒细胞性白血病均由癌变的母细胞引起，如淋巴母细胞或原始粒细胞。

Acute lymphocytic leukemia and acute myelogenous leukemia are each composed of blast cells, known as lymphoblasts or myeloblasts.

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更原始固有的白细胞系统（例如中性粒细胞和巨噬细胞）形成了抵抗疾病的一线防御系统。

White blood cells of the more primitive innate system, like neutrophils and macrophages, form the first line of defense against disease.

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镜下，颗粒细胞瘤趋向于形成类似于原始的滤泡的结构，如图左示。大多数在组织学上呈良性，但一些是恶性的。

Microscopically, the granulosa cell tumor attempts to form structures that resemble primitive follicles, as seen at the left. Most of these tumors are histologically benign, but some are malignant.

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