Development of gemma and ovum in polyzoa.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Development of gemma and ovum in polyzoa. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Development of gemma and ovum in polyzoa. Wellcome Collection. Source: Wellcome Collection.