ambulacra Definition
a radial area in echinoderms, such as starfish and sea urchins, containing a series of pores through which extend tube feet used in locomotion, respiration, and grasping food.
Using ambulacra: Examples
Take a moment to familiarize yourself with how "ambulacra" can be used in various situations through the following examples!
Example
The ambulacra of the starfish are used for movement and feeding.
Example
Sea urchins use their ambulacra to move and capture food.
Example
The ambulacra of echinoderms are an important part of their anatomy.
Phrases with ambulacra
a groove on the oral surface of echinoderms that contains the ambulacra
Example
The ambulacral groove is where the tube feet of the sea urchin extend from.
the network of canals and tube feet in echinoderms
Example
The ambulacral system is responsible for the movement and feeding of echinoderms.
one of the plates that make up the ambulacra in echinoderms
Example
The ambulacral plates of the starfish are arranged in a radial pattern.
Origins of ambulacra
from Latin 'ambulare', meaning 'to walk'
Summary: ambulacra in Brief
'Ambulacra' [am-byuh-ley-kruh] refers to the radial areas in echinoderms, such as starfish and sea urchins, that contain pores through which tube feet extend. These tube feet are used for movement, respiration, and grasping food. Phrases like 'ambulacral groove' and 'ambulacral system' refer to specific parts of the ambulacra. The ambulacral plates make up the ambulacra in echinoderms.
