The leaf axis arises from the leaf buttress and maintains procambial continuity in the central region.
叶轴也来自叶原基和在中央区保留的原形成层细胞。
Procambium (procambial strand) The layer of cells that gives rise to the vascular tissue.
原形成层（原形成层束）：形成维管组织的一层细胞。
Cells fit together to form a continuous sheet.
细胞互相嵌合在一起，形成连续的薄层。
Cells of the procambium and ground meristem are more vacuolated than those of the protoderm.
原形成层和基本分生组织的细胞比原表皮层细胞更加液泡化。
formative cell
【动】形成细胞, 毛原细胞
The for-mation of periderm is relatively late and cork cambium is come from the cortex cells which arenear endodermis.
周皮发生较迟，其木栓形成层由紧靠内皮层的皮层细胞产生。
Note the luteinized cells forming the inner cyst lining at the left, with adjacent surrounding theca cells.
左侧可见黄体细胞形成了囊肿的内层，包围在旁边的是卵泡膜细胞。
There is vacuolization and dissolution of epidermal cells along the basal layer, along with lymphocytes.
在基底层有上皮细胞的空泡形成或溶解,并伴淋巴细胞浸润。
There the cells divide rapidly to form a single layer of skin.
细胞在其中迅速分裂，并形成一个单层的皮肤。
The cells grew in single layer after incubation for 4~5 days, linked closely. Most cells were polymorphic and a part of them were similar in shape to beer glass.
细胞接种后4～5d即长成单层,紧密连接,细胞形态多为多边形,部分细胞显示类啤酒杯外观。
confluent monolayer cells
（汇合）成片的单层细胞，铺满的单层细胞
Under appropriate conditions, the adherent cells from HUCB could form the feeder layer to support long-term hematopoiesis and provide the supporting stromal cells for the ex vivo expansion of HSPCs.
在适当的条件下,可以形成饲养层细胞,为造血干/祖细胞体外扩增提供支持基质细胞.
early stage of an embryo produced by cleavage of an ovum; a hollow sphere whose wall is composed of a single layer of cells.
由受精卵分裂产生的早期胚胎外形；由单层细胞构成空心球形囊。
A cell from which bone develops; a bone-forming cell.
成骨细胞骨头从中生长的细胞；形成骨的细胞
somatic callus formation
体细胞愈伤组织形成
glioblastoma multiforme
多形性成胶质细胞瘤
the origin and development of cells.
细胞的形成、发展和变化。
"Fungal cells, anchored to the substrate with hairlike growths (rhizines), form the Base."
真菌细胞以发丝状的根瘤(假根)固着于基物上,形成基底层。