collenchyman.
/kɒˈlɛŋkɪmə/ Botany.† 1. (See quots.). Obsolete.
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1835 J. Lindley Introd. Bot. (1848) I. 356 Link supposes the cellular substance in which pollen is generated to be semiorganic and calls it collenchyma.
1866 J. Lindley & T. Moore Treasury Bot. Collenchyma..usually absorbed, but remaining and assuming a definite form in some plants, as in orchids.
2. Tissue consisting of cells with walls greatly thickened at the angles, found just beneath the epidermis in the leaf-stalks and young stems of many Dicotyledons.
ΘΚΠ
the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > specific types of tissue
parenchyma1651
parenchyme1811
suberin1815
mesophyllum1832
prosenchyma1832
cinenchyma1835
bothrenchyma1838
merenchyma1839
pleurenchyma1839
mesophyll1848
trachenchyma1848
inenchyma1851
sterenchyma1856
collenchyma1857
rhytidome1861
procambium1872
palisade tissue1875
trace1875
taphrenchyma1876
phellem1877
ground-tissue1882
palisade parenchyma1882
stone-sclerenchyma1884
stereome1885
aerenchyma1889
chlorenchyma1894
1857 A. Henfrey Elem. Course Bot. 514 Collenchyma..has acquired a cartilaginous or horny texture by its cells becoming greatly thickened by secondary layers of a substance softening or swelling up in water.
1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. i. ii. 83 The collenchyma originates from the fundamental tissue, and..not from the epidermis.
This entry has not yet been fully updated (first published 1891; most recently modified version published online September 2021).
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