Definition of Fungus in Biology

Fungi are microscopic or macroscopic, non-chlorophyllated, spore bearing,
filamentous, heterotrophic thallophytes which  reproduce asexually and sexually.
Definition of Fungus in Biology
Some important characters
Septate and coenocytic hyphae

Septate hyphae: Hyphae are multi-cellular with cross walls called septa between adjacent cells
Eg: in Agaricus,

Coenocytic hyphae or aseptate : Hyphae with multinucleate mass of protoplast in Rhizopus

Dolipore septum:
A complex septum seen in Basidiomycetes .

Each septum has a central opening called dolipore which has a cap like double membrane on each side of the septum called parenthesome.

Protoplasm is continues as septa is porous.

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