骨髓是一种红色、海绵状的东东，居住在很多大骨头的腔隙（骨髓腔）里；它需要铁元素、维生素B 12 、叶酸等原料来制造血红蛋白和红细胞。
To produce hemoglobin and red blood cells, your body needs iron, vitamin B-12, folate and other nutrients from the foods you eat.
典型的杯状细胞类癌不形成有管腔的腺体，且肿瘤细胞呈单个浸润或表现为由粘液细胞和神经内分泌细胞组成的小的实体巢状。
Typical goblet carcinoid does not form glands with lumen, and the tumor cells infiltrate individually or as small solid nests consisting of mucocytes and neuroendocrine cells.
IV型氯细胞为扁平状，细胞体积较小，具有较大的分泌腔，但微细小管系统不发达。
The IV-type chloride cell is a small squamous cell with large prominent crypt and underdeveloped tubule system.
光镜下见脑实质及蛛网膜下腔小血管充血，血管周围炎性细胞浸润，呈“袖套”状改变。
The characteristic light microscopical findings:congestion and inflammatory cuffs of small blood vessels were evident within cerebral parenchyma and subarachnoid cavity.
位于腔隙内的鳞状上皮样细胞簇？
Clusters of squamous-like epithelium are located in the space?
该囊腔的内面被覆一层柱状上皮，其间夹杂有较多的杯状细胞。
The inner face of sack was covered with a sheet of columnar epithelium where some of goblet cell were found between the columnar epithelium.
同时发现室旁核、室周核、室周弓状核及视前大细胞核的VP阳性神经元有突起伸入到第三脑室室管膜或突出于脑室腔，视上核的VP阳性神经元也有突起投射至脑基底神经胶质板上或伸至蛛网膜下腔。
The process of VP-like cells in PVN, PN, AN and POM projected towards the third ventricle, and the process in SON towards the glial lamina in the basal surface of the brain or subdural space.
而毒腺则是由立方形分泌细胞形成的单细胞层，和平行于内腔，贴近内膜的单层鳞状细胞层共同构成。
And the gland filaments consist of a single layer of cuboidal secretory cells and an inner layer of squamous cells adjacent to the intima which lines the lumen.
而毒腺则是由立方形分泌细胞形成的单细胞层，和平行于内腔，贴近内膜的单层鳞状细胞层共同构成。
And the gland filaments consist of a single layer of cuboidal secretory cells and an inner layer of squamous cells adjacent to the intima which lines the lumen.
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