Cloning and Functional Analysis of a Novel Chymopapain Promoter from Carica papaya STUDIES ON THE RELATION BETWEEN SYNTHESIS OF LACQUER AND SUBMICROSTRUCTURE OF THE TISSUE WHERE LATICIFEROUS CANAL LIES IN TOXICODENDRON VERNICIFLUM Studies on the Relation Between the Ultrastructure of Secretory Cells and Their Synthesis and Secretion of Lacquer in Laticiferous Canals of Rhus verniciflus THE DEVELOPMENTAL ANATOMY ON THE ROOT TUBER OF EUPHORBIA KANSUI Studies on anatomy of laticifers and localization of diterpene esters in vegetative organs in Euphorbia kansui Ultrastructural Evidence for the Origination of Rubber Particles in Rubber Tree(Hevea brasiliensis) Distributed Regularity and Anatomic Feature of Laticiferous Canals of Toxicodendron vernicifluum (Stokes) F. A. Barkley Structure and Development of Phloem in Toxicodendron vernicifluum Laticifer Ultrastructural and Immunocytochemical Studies of Papain in Carica papaya Ultrastructural Observation of Differentiation Laticifers in Hevea brasiliensis Variation of Urushiol Content in Raw Lacquer and the Bark Structure of Toxicodendron vernicifluum in Different Seasons and Their Correlation Anatomy of Laticifers in Jatropha curcas L. Comparison of the Distribution of Laticifers in Diploid and Tetraploid of Euphorbia tirucalli L