What is medusoid in biology?

adjective. Medusa-like; resembling medusa in appearance. Supplement. The term medusoid can be used to refer to showing resemblance to medusa or jellyfish, such as that of the sessile gonophore of hydroids.

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Moreover, where does the name medusoid originate?

Her name is from Greek Medousa, literally “guardian,” fem. present participle of the verb medein “to protect, rule over” (from PIE root *med- “take appropriate measures”). The zoological name was chosen by Linnæus, suggested by the creature’s long tentacles. Related: Medusoid.

Moreover, what is a jellyfish life cycle? Jellyfish have a stalked (polyp) phase, when they are attached to coastal reefs, and a jellyfish (medusa) phase, when they float among the plankton. The medusa is the reproductive stage; their eggs are fertilised internally and develop into free-swimming planula larvae. … These grow into mature jellyfish.

Furthermore, are sexes separate in cnidaria?

Cnidarians have separate sexes and many have a lifecycle that involves two distinct morphological forms—medusoid and polypoid—at various stages in their life cycles. In species with both forms, the medusa is the sexual, gamete-producing stage and the polyp is the asexual stage.

What is medusoid stage?

Noun. 1. medusoid – one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles.

What Medusa means?

1 capitalized [Latin, from Greek Medousa] : a mortal Gorgon who is slain when decapitated by Perseus.

What is polyp and medusa?

Polyp is a sessile life stage of the cnidaria phylum whereas medusa is totally opposite i.e they have a mobile life cycle stage of the cnidaria phylum. 2. Morphology of Polyp and Medusa: Morphological features of polyp are tubular in shape and they are fixed at their base.

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