anamniote


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anamniote

a vertebrate whose embryo lacks an AMNION.
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References in periodicals archive ?
A possible reason for this could be that when the cat shark hatches they are more developed as they have a longer developmental period compared with anamniotes such as zebrafish or Xenopus and do not have a larval stage.
In the most rostral part of the brain, the POC formed from nTPOC neurones and these axons cross the midline in anamniotes [1].
Although amphibians are among the most sensitive anamniotes to changes in the external medium, they were able to colonise a wide range of habitats in different environments (Duellman and Trueb, 1994).