haustoria
Noun
The word is derived from haustorium
Meaning
of Haustorium
Source: Webster's dictionaryExamples
Diagram illustrating how Cuscuta uses haustoria to penetrate the vascular system of its host plant and remove sugars and nutrients from the host's phloem.
If the host contains food beneficial to dodder, the dodder produces haustoria that insert themselves into the vascular system of the host.
Some parasitic fungi form haustoria that function in absorption within the host cells.