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Plant anatomy or phytotomy is the general term for the study of the internal structure of plants. While originally it included plant morphology, which is the description of the physical form and external structure of plants, since the mid-20th century the investigations of plant anatomy are considered a separate, distinct field, and plant anatomy refers to ''just'' the internal plant structures.〔Raven, P. H.; Evert, R. F. and Eichhorn, S. E. (2005) ''Biology of Plants'' (7th edition) W. H. Freeman, New York, page 9, ISBN 0-7167-1007-2〕 Plant anatomy is now frequently investigated at the cellular level, and often involves the sectioning of tissues and microscopy.〔Evert, Ray Franklin and Esau, Katherine (2006) ''Esau's Plant anatomy: meristems, cells, and tissues of the plant body - their structure, function and development'' Wiley, Hoboken, New Jersey, (page ''xv'' ), ISBN 0-471-73843-3〕 == Structural divisions == Plant anatomy is often〔See ''e.g.'' 〕 divided into the following categories: : Flower anatomy ::Calyx ::Corolla ::Androecium ::Gynoecium :: Leaf anatomy : Stem anatomy ::Stem structure : Fruit/Seed anatomy ::Ovule ::: Seed structure ::Pericarp ::Accessory fruit : Wood anatomy :: Bark :::Cork :::Phloem :::Vascular cambium :: Heartwood and sapwood :::branch collar ::: : Root anatomy ::Root structure 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Plant anatomy」の詳細全文を読む スポンサード リンク
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