Definition of mesozoan in English:

mesozoan

noun ˌmiːzəˈzəʊənˌmɛsəˈzəʊənˌmezəˈzōən

Zoology

A minute worm which is an internal parasite of marine invertebrates. It lacks any internal organs other than reproductive cells, and dissolved nutrients are absorbed directly from the host's tissues.
Phyla Orthonectida and Rhombozoa; formerly placed together in the phylum Mesozoa, which was thought to be intermediate between protozoans and metazoans
Example sentencesExamples
- The major group of mesozoans, the Dicyemida, live as microscopic parasites in the renal organs of squid and octopuses.
- D. briarei is the only species of mesozoan reported from Octopus briareus and the third from the coast of Florida.
- Hox evidence has also placed dicyemid mesozoans in the clade.
- The dicyemid mesozoans are obligate parasites that inhabit the cephalopod renal appendage.
- The dicyemid mesozoans, once hypothesized to be non-bilaterian metazoans, have since been shown to possess central class Hox genes indicating that these enigmatic parasites are secondarily simplified bilaterians.

Origin

Early 20th century: from modern Latin Mesozoa (from mesos 'intermediate' + zōion 'animal') + -an.

Definition of mesozoan in US English:

mesozoan

nounˌmezəˈzōən

Zoology

A minute worm which is an internal parasite of marine invertebrates. It lacks any internal organs other than reproductive cells, and dissolved nutrients are absorbed directly from the host's tissues.
Phyla Orthonectida and Rhombozoa; formerly placed together in the phylum Mesozoa, which was thought to be intermediate between protozoans and metazoans
Example sentencesExamples
- The dicyemid mesozoans, once hypothesized to be non-bilaterian metazoans, have since been shown to possess central class Hox genes indicating that these enigmatic parasites are secondarily simplified bilaterians.
- Hox evidence has also placed dicyemid mesozoans in the clade.
- D. briarei is the only species of mesozoan reported from Octopus briareus and the third from the coast of Florida.
- The major group of mesozoans, the Dicyemida, live as microscopic parasites in the renal organs of squid and octopuses.
- The dicyemid mesozoans are obligate parasites that inhabit the cephalopod renal appendage.

Origin

Early 20th century: from modern Latin Mesozoa (from mesos ‘intermediate’ + zōion ‘animal’) + -an.

单词	mesozoan
释义	Definition of mesozoan in English: mesozoan noun ˌmiːzəˈzəʊənˌmɛsəˈzəʊənˌmezəˈzōən Zoology A minute worm which is an internal parasite of marine invertebrates. It lacks any internal organs other than reproductive cells, and dissolved nutrients are absorbed directly from the host's tissues. Phyla Orthonectida and Rhombozoa; formerly placed together in the phylum Mesozoa, which was thought to be intermediate between protozoans and metazoans Example sentencesExamples The major group of mesozoans, the Dicyemida, live as microscopic parasites in the renal organs of squid and octopuses. D. briarei is the only species of mesozoan reported from Octopus briareus and the third from the coast of Florida. Hox evidence has also placed dicyemid mesozoans in the clade. The dicyemid mesozoans are obligate parasites that inhabit the cephalopod renal appendage. The dicyemid mesozoans, once hypothesized to be non-bilaterian metazoans, have since been shown to possess central class Hox genes indicating that these enigmatic parasites are secondarily simplified bilaterians. Origin Early 20th century: from modern Latin Mesozoa (from mesos 'intermediate' + zōion 'animal') + -an. Definition of mesozoan in US English: mesozoan nounˌmezəˈzōən Zoology A minute worm which is an internal parasite of marine invertebrates. It lacks any internal organs other than reproductive cells, and dissolved nutrients are absorbed directly from the host's tissues. Phyla Orthonectida and Rhombozoa; formerly placed together in the phylum Mesozoa, which was thought to be intermediate between protozoans and metazoans Example sentencesExamples The dicyemid mesozoans, once hypothesized to be non-bilaterian metazoans, have since been shown to possess central class Hox genes indicating that these enigmatic parasites are secondarily simplified bilaterians. Hox evidence has also placed dicyemid mesozoans in the clade. D. briarei is the only species of mesozoan reported from Octopus briareus and the third from the coast of Florida. The major group of mesozoans, the Dicyemida, live as microscopic parasites in the renal organs of squid and octopuses. The dicyemid mesozoans are obligate parasites that inhabit the cephalopod renal appendage. Origin Early 20th century: from modern Latin Mesozoa (from mesos ‘intermediate’ + zōion ‘animal’) + -an.
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