ਇਕਾਈਨੋਡਰਮ ਦੀ ਹੇਠਲੀ ਸਤ੍ਹਾ ਜਿਸ 'ਤੇ ਟਿਊਬ ਪੈਰ ਸਥਿਤ ਹਨ, ਪੰਜ ਖੇਤਰਾਂ ਵਿੱਚੋਂ ਇੱਕ ਹੈ,

ambulacra's Usage Examples:

The mouth and ambulacral grooves are on the upper surface of the disc.

surrounding the spines, on the surface of the animal"s body, in pits on the abactinal, marginal, or actinal surface, and/or within the adambulacral plate adjacent.

the lack of actinal plates, a spool-like ambulacral column, reduced abactinal plates, and crossed pedicellariae.

The test is rigid, and divides into five ambulacral grooves separated by five interambulacral areas.

Echinozoans, there are five ambulacra separated by five ambulacral grooves, the interambulacra.

However they are differentiated by the lack of accessory ambulacral pores, which are characteristic of that group.

the surface of the animal"s body, in pits on the abactinal, marginal, or actinal surface, and/or within the adambulacral plate adjacent to the tube foot.

As in other Echinozoans, there are five ambulacra separated by five ambulacral grooves, the interambulacra.

These pinnules all have ciliated ambulacral grooves that converge to form larger grooves in the arms that lead down.

com/ambulacra [Accessed 14th Nov 2014].

limited by how the ambulacral plates are arranged.

a single series of marginals, a fused ring of disc plates, the lack of actinal plates, a spool-like ambulacral column, reduced abactinal plates, and crossed.

tubercles and compound ambulacral plates with the lowest elements enlarged.