SPL RF Jan 2021
EN_01459393_0343
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Broom stem. Light micrograph (LM) of a transverse section through the stem of a common broom (Salicornia europaea) plant. Broom is a drought plant (xerophyte) with ribbed stems and branches to increase the area for photosynthesis. The ribs (spikes) contain spongy mesophyll, similar to a leaf, in the centre and ends of which are supporting bundles of fibres (sclerenchyma) The stem has undergone secondary thickening to produce a ring of xylem Above the xylem is the cambium and above this is the phloem In the centre of the stem is the pith made up of parenchyma cells. Magnification: x60 when printed 10 centimetres wide.
2021-01-02
STEVE GSCHMEISSNER/Science Photo Library RF/East News
Science Photo Library RF
STEVE GSCHMEISSNER
f0325914
4,61MB
39cm x 36cm by 300dpi
ANATOMY, ANGIOSPERM, ANGIOSPERMS, BIOLOGICAL, BIOLOGY, BOTANICAL, BOTANY, BROOM, BUNDLE, CORTEX, DROUGHT, EPIDERMIS, FLORA, GSCHMEISSNER, HISTOLOGY, LIGHT, LM, MICROGRAPH, MICROSCOPE, NATURE, PHLOEM, PLANT, PLANTAE, RESISTANT, ROOT, SECONDARY, SECTION, SECTIONED, STEVE, THICKENING, TISSUE, TRANSVERSE, VASCULAR, XEROPHYTE, XYLEM,