title: [Studies on morphology and histology of medicinal part of Corydalis yanhusuo].
abstract: OBJECTIVE
  To Study the morphology, microstructure and morphosis of medicinal part of Corydalis yanhusuo, and provide a basis for the knowledge of the type of modified stem of Corydalis yanhusuo and the identification of crude drug.
  
  
  METHODS
  Sample collection, culture observation and microsectile observation.
  
  
  RESULTS
  Morphological and histological characters and morphogenetic and developmental regulation of medicinal part of Corydalis yanhusuo are described with pictures.
  
  
  CONCLUSIONS
  The medicinal part of Corydalis yanhusuo is bulb, and the conception that the medicinal part of Corydalis yanhusuo is tuber is wrong.
authors.affiliation: Anhui College of Traditional Chinese Medicine, Hefei 230038, Anhui, China.
authors.forename: S J
authors.initials: SJ
authors.lastname: Liu
authors.forename: Y F
authors.initials: YF
authors.lastname: Liu
authors.forename: Z F
authors.initials: ZF
authors.lastname: Wu
authors.forename: K
authors.initials: K
authors.lastname: Hu
authors.forename: Z H
authors.initials: ZH
authors.lastname: Si
mesh_terms: D031311:Corydalis / Q000033:anatomy & histology* / Q000254:growth & development; D010946:Plants, Medicinal / Q000033:anatomy & histology* / Q000254:growth & development; D027343:Rhizome / Q000033:anatomy & histology / Q000254:growth & development; D012621:Seasons