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Glossary

Pollen Atlas Glossary

Macroechinate

ref. sculture. Sporoderm with the spinae base exceeding 3 um.

Margo

Massula

mass of pollens in part fused together, produced by a mother cell.

Medium echinate

ref. sculture. Sporoderm with spinae base of 1 to 3 um.

Medium reticulate

ref. sculture. Sporoderm with the reticulum lumina more or less equal to 1 um and muri thickness less than lumina diameter.

Meridian section

pollen section along the polar plane. View from which it is possible to observe the cytoplasm structure and to measure the polar axis.

Mesocolpium

the area included between two adjacent colpi, delimited by their extremities (in Palinology the mesocolpium is measured as the longest distance between two colpi).

Mesoporium

the area included between two adjacent pori (it is measured as the longest distance between two pori).

Microechinate

sporoderm with spinae base less than or equal to 1 um.

Monad

solitary pollen grain derived from a tetrad or polyad, which normally break down into individual pollen grains.

Monocolpate

pollen with one colpus.

Monoporate

pollen grain with one pore.

Multibaculate

the murus of a reticulum which leans on several rows of bacula.

Murus

sporoderm which surrounds the reticulum lumina forming a mesh. Ribs in the reticulum, which delimit the lumina.

Bibliography:
Bucher E., Kofler V., Vorwhol G., Zieger E., 2004 – Lo spettro pollinico dei mieli dell’Alto Adige. Azienda provinciale per la protezione dell’ambiente e la tutela del lavoro-Laboratorio biologico 676 pp
Ciampolini F., Cresti M., 1981 – Atlante dei principali pollini allergenici presenti in Italia. Università di Siena 190 pp.
Von der Ohe K., von der Ohe W., 2000 – Celler melissopalynologische sammlung CMS . Celle’s Melisopalynological Collection. Niedersachsisches Landesinstitut fur Bienenkunde.

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Glossary

Pollen Atlas Glossary