Glossary – H

Terminology used in this Atlas is explained below. The reader is also referred to the Dictionary of the Fungi (Hawksworth et al., 1995). For descriptive terms in morphology, the Illustrated Dictionary of Mycology (Ulloa & Hanlin, 2000) is recommended. Diagram of used shape terminology


Glossary – H

habitat – environment and geographical space where the fungus resides.

hairy – with rather long, erect, sparse aerial mycelium.

haploid – containing a single set of chromosomes.

hatshaped – hemispherical with a slimy brim at the base, cullulate.

helical – spirally twisted.

heterokaryon – cell containing two nuclei, each derived from one of the parent strains.

heterothallic – sexual reproduction requiring the interaction of two different thalli.

hila – plural of hilum, -slightly prominent basal scar.

hilum (plural: hila) – slightly prominent basal scar.

holoarthric – falling apart of a hypha into separate cells, all cells remaining viable as a propagule.

holobasidia – plural of holobasidium, -basidium without septation.

holobasidium (plural: holobasidia) – basidium without septation.

holoblastic – inflation of conidium initial involving the entire wall of the mother cell.

holomorph – the total organism, comprising sexual and asexual life cycles.

holothallic – conversion of a preexisting hyphal element into a single conidium.

homothallic – sexual reproduction requiring a single thallus.

hülle cell – thickwalled cell occurring in large numbers in association with the ascomata of Aspergillus species.

hyaline – colourless, transparent.

hydrocephalus – cerebrospinal fluid buildup in the brain by either increasing its production by the choroid plexus or decreased absorption.

hymenia – plural of hymenium, layer of cells producing basidiospores.

hymenium (plural: hymenia) – layer of cells producing basidiospores.

hypha (plural: hyphae) – septate, threadlike fungal element.

hypha – plural of hyphae, septate, thread-like fungal element.