Definition of excurrent in English:

Share this entry

excurrent

Pronunciation: /ɪkˈskʌr(ə)nt/
Pronunciation: /ɛkˈskʌr(ə)nt/

adjective

chiefly Zoology
(Of a vessel or opening) conveying fluid outwards: the excurrent siphon The opposite of incurrent.
More example sentences
  • The basic body form of sponges consists of numerous small incurrent canals called ostia (sing. ostium) and one or more large excurrent opening called oscula (sing. osculum).
  • That is, sperm are created, concentrated and sent out the excurrent openings, sometimes in masses so dense that the sponges appear to be smoking.
  • The velocity of the excurrent stream through the osculum may be several hundred times that at the level of the choanocytes.

Origin

Early 17th century: from Latin excurrent- 'running out', from the verb excurrere.

For editors and proofreaders

Line breaks: ex|cur¦rent

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.