different between zooid vs sporosac

English

Alternative forms

• zoöid

Etymology

From zoo- +? -oid.

Pronunciation

• (UK) IPA^(key): /?z????d/, /?zu???d/

Noun

zooid (plural zooids)

1. (biology) An organic body or cell having locomotion, as a spermatic cell or spermatozoid.
2. (zoology) An animal in one of its inferior or early stages of development, as one of the intermediate forms in alternate generation.
3. (zoology) One of the individual animals in a composite group, as of Anthozoa, Hydrozoa, and Bryozoa; — sometimes restricted to those individuals in which the mouth and digestive organs are not developed.

Derived terms

• autozooid
• macrozooid
• microzooid
• polyzooid

Adjective

zooid (comparative more zooid, superlative most zooid)

1. (biology) Relating to, or resembling, an animal.

English

Etymology

sporo- +? sac

Noun

sporosac (plural sporosacs)

1. (botany) A hydrozoan reproductive zooid or simple form of gonophore which does not become medusoid in form or structure
2. (zoology) An early or simple larval stage of trematode worms and some other invertebrates, which is capable of reproducing other germ cells by asexual generation; a redia.