Glossary

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Term Definition
ellipsoid

Refers to a solid body that forms an ellipse in the longitudinal plane and a circle in cross section. Many fungal spores are ellipsoidal or elliptic.

encyst

To form a cyst or protective covering

exit pore

The opening through which zoospores pass when leaving a sporangium; papillate and semipapillate sporangia have exit pores 5 to 7 µm wide; the exit pores of nonpapillate sporangia are about 12 µm wide.

extended proliferation

A type of internal proliferation in which the sporangiophore originates inside an empty sporangium, and continues to grow through and out of the old sporangium.

external proliferation

External proliferation occurs from growth of a sporangiophore from beneath and external to a sporangium. Cf. extended proliferation.