thallus
pronunciation
How to pronounce thallus in British English:
UK ['θæləs]
How to pronounce thallus in American English:
US ['θæləs]
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- Noun:
- a plant body without true stems or roots or leaves or vascular system; characteristic of the thallophytes
Word Origin
- thallus (n.)
- 1829, Latin, from Greek thallos "green shoot, young branch, twig," related to thalia "abundance," thalos "scion, child," ultimately from PIE root *dhal- "to bloom" (cognates: Armenian dalar "green, fresh," Albanian dal' "I sprout," Old Irish duilesc, a type of algae).
Example
- 1. Green seaweed having a thallus two cells thick : sea lettuce .
- 2. Forming hormogonium is a main reproductive way of nostoc flagelliforme by thallus .
- 3. Effects of different culture conditions on development and differentiation of somatic cells of porphyra haitanensis thallus .
- 4. Composed of filaments or plates of cells , a thallus ranges in size from a single-celled structure to a complex treelike form .
- 5. Thallus a plant body undifferentiated into stem , root , or leaf .