The Collaborative International Dictionary
Strobila
Strobila \Stro*bi"la\, n.; pl. Strobil[ae]. [NL., fr. Gr. ? anything twisted, a pine cone.] (Zo["o]l.)
A form of the larva of certain Discophora in a state of development succeeding the scyphistoma. The body of the strobila becomes elongated, and subdivides transversely into a series of lobate segments which eventually become ephyr[ae], or young medus[ae].
A mature tapeworm.
Wiktionary
strobila
n. (context zoology English) The jointed series of segments of the body of a tapeworm, posterior to the unjointed collum.
Usage examples of "strobila".
But in the case of the strobila we say that it is not changed, but dies, and is no part of the personality of the medusa.