Definition of pygidium in English:
noun (plural pygidia /-ˈjidēə/)Zoology
The terminal part or hind segment of the body in certain invertebrates.
- The pygidium, like the cephalon, was a structure in which segments were fused together.
- A pygidium with an attached thoracic segment represents a meraspid stage of the species.
- By contrast, some representatives of the Olenelloidea have pygidia with multiple segments.
Definition of pygidium in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in India
Most popular in Pakistan