(n.) That in which anything is contained; a vessel; a receiver or receptacle.
(n.) A pericarp, opening longitudinally on one side and having the seeds loose in it; a follicle; a double follicle or pair of follicles.
(n.) One of the cases containing the spores, etc., of flowerless plants, especially of algae.
Example Sentences:
(1) Bromoperoxidase I (which has been described before) was located inside the thallus, particularly around the conceptacles, whereas bromoperoxidase II was present at the thallus surface of the alga.
Macrosporangium
Definition:
(n.) A sporangium or conceptacle containing only large spores; -- opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns.