thallus
Biology

thallus


Term: thallus (pl thalli)

Origin: Anc Greek
??????/thallos(=young shoot) > ?????/threpho(=feed)
Definition:
Thallus is the undifferentiated tissue of some algae, fungus, and other lower organisms  as liverworts and  lichens which are not  organized into distinct parts as leaves and roots.






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- Parenchyma
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Term: lichen Origin:  Anc Greek ?????/licho(=lick) because lichens seem to lick stones and barks of trees.   Coined: by Theophrastus (371-284 BC) in order to describe a superficial growth on the bark of olive trees.The dual nature of lichens...

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