1. explant - Noun
2. explant - Verb
explant (plural explants)
(biology) Any portion taken from a plant or an animal that will be used to initiate a culture. It can be a portion of the shoot, or of the leaves, or even just some cells.
explant (third-person singular simple present explants, present participle explanting, simple past and past participle explanted)
(medicine) To remove something, such as a medical device, that has been implanted.
Those phenolics originate both from explant tissues and from explant secretions. Source: Internet