conceptacle

views updated Jun 08 2018

conceptacle
1. An urceolate cavity in which gametes are formed. It is found inside the inflated tip of the thallus of certain brown algae (e.g. Fucales), and has a small opening called the ostiole. See also RECEPTACLE (3).

2. In the thallus of some members of the Phaeophyta, a cavity in which gametangia (see gametangium) are formed.

conceptacle

views updated May 29 2018

conceptacle A flask-shaped cavity with a small opening (the ostiole) that is found in the swollen tip of certain brown algae, such as Fucus. It contains the sex organs.

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