大家在查：纤维层孢粉素同源染色体配对二分体裸细胞造孢细胞孢原细胞药隔边缘生长女性护理液

药室内壁

药室内壁

壁细胞经分裂自外至内依次分化形成药室内壁(endothecium)（纤维层 fibrous layer）、中层(middle layer)和绒毡层(tapetum)…

... endostoma ① 内口②骨髓腔肿瘤，内生骨瘤 endotheca ① 内阳〔茎〕基鞘（昆虫） ②内壁③药室内壁 endothecium ① …

The anther was found to be 4-sporangiate. The anther wall includes 4 layers: epiderm , endothecium, middle layer and secretory tapetum.

Cells of epidermis , middle layers, and endothecium still highly vacuolized, tapetal cells containing small irregular lipid droplets (arrow );