Castor oil plant seed, light micrograph
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Castor oil plant seed, light micrograph
Castor oil plant seed. Light micrograph of a section through the seed of a castor oil plant (Ricinus communis). The castor oil seed has an outer testa (not seen) which is poisonous. Under the testa is the endosperm storage tissue (blue), which provides nutrition for germination. The cells of the endosperm are full of aleurone (protein) grains. The embryo, in the centre of the seed, consists of two cotyledons. Magnification: x3.5 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6339243
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Cell Biology Cotyledon Cotyledons Cytological Cytology Dicot Dicots Dicotyledon Dicotyledons Embryo Endosperm Grain Grains Histological Histology Microscopy Ricinus Communis S Eed Stain Stained Structural Structures Tissue Castor Oil Cells Light Micrograph Light Microscope Protein Section Sectioned
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