Definition of Heart urchin

1. Noun. Sea urchin having a heart-shaped body in a rigid spiny shell.

Generic synonyms: Sea Urchin
Group relationships: Order Spatangoida, Spatangoida

Lexicographical Neighbors of Heart Urchin

heart rate
heart rate
heart rhythm
heart rupture
heart sac
heart septal defects
heart septum
heart sounds
heart specialist
heart stroke
heart surgeon
heart surgery
heart tamponade
heart tones
heart transplantation
heart urchin (current term)
heart valve
heart valve
heart valves
heart valve prolapse
heart valve prosthesis
heart valve prosthesis implantation
heart ventricle
heart ventricle
hear out
heast
heaste
heastes
heasts
heat

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