periproct
/ˈpɛrɪprɒkt/Zoology
noun
In an echinoid: a small circular membranous region on the aboral surface containing the anus and a variable number of small embedded plates.
Origin
Mid 19th century; earliest use found in American Naturalist. From peri- + ancient Greek πρωκτός anus.
- interaction
- interactional
- interactionism
- interactionist
- interactive
- interactive learning
- interactively
- interactive mode
- interactive whiteboard
- interactivity
- inter-agency
- inter alia
- inter alios
- inter-allied
- interarticular
- interatomic
- interbank
- interbed
- interbreed
- intercalary
- intercalate
- intercalation
- intercede
- interceder
- intercellular