The anther is made up of an outer epidermis, a middle fibrous layer, and an inner nutritive layer, the tapetum.
花药壁由外表皮层，中间纤维层，内部营养层和绒毡层构成。
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
绒毡层：维管植物花粉囊内包围孢子母细胞的富含营养物质的一层结构。
The features of structure of anther wall are of one meddle layer and glandular tapetum.
药壁的结构特点为一层中层和腺质绒毡层。
The middle layer cell won't degenerate when the tapetum disintegrates prematurely, This proves the hypothesis that the middle layer cells offer nutrients for the tapetum.
绒毡层的提前解体导致不育系花药的中层细胞不退化，为证明中层为绒毡层供给营养的假说提供了证据。
The middle layer cell won't degenerate when the tapetum disintegrates prematurely, This proves the hypothesis that the middle layer cells offer nutrients for the tapetum.
绒毡层的提前解体导致不育系花药的中层细胞不退化，为证明中层为绒毡层供给营养的假说提供了证据。
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