Anatomical connection between intracellular and extracellular secretion in species of Euphorbia genus

Tóth-Soma, László (1991) Anatomical connection between intracellular and extracellular secretion in species of Euphorbia genus. ACTA BIOLOGICA SZEGEDIENSIS, 37. pp. 19-23. ISSN 1588-385X

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Abstract

In our research we examined the histological structure of the nectary of six species of Euphorbia (E. cyparissias L., E. seguieriana NECKER., E. lucida W. et K„ E. virgata W. et K., E. angulata JACQ., E. burmannii H. MEY) by LM. We found that the glandular tissue of the nectary which functions as an extracellular secretional system is thoroughly woven through by the latex system, the intracellular secretional system characteristic of Euphorbia species. The laticifers end on the boundary of the epidermis of the gland, the nectar-secreting surface, and the glandular tissue. By the anatomical connection of the two secretional systems their functional connection becomes quite probable.

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