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13 terms

functions of starfish structures

Here are a list of functions of starfish structures!
STUDY
PLAY
arm/ray
help with movement and capture prey
madreporite (sieve plate)
where water enters in the water vascular system
ampulla
Fill up with water and then release to tube feet
ambulacral groove
contains the tube feet on the oral side and used to pry open the shells of bivalves
tube feet
used for feeding, movement, and a little for respiration
oral surface
the side of the starfish with the mouth
aboral surface
the side of the starfish without the mouth
cardiac stomach
it is attached to the mouth and comes out of the mouth to the digest nutrients
pyloric stomach
connects to a pair of digestive glands and breaks down food with the help of enzymes
ring canal
connects the stone canal and radial canal and carries water from the stone canal to the radial canal in the water vascular system
digestive glands
break down food with the help of enzymes and are connected to the phyloric stomach
radial canal
takes water out to the arms from the ring canal
gonads
reproductive organs (ovaries or testes) that are used with reproduction by producing egg or sperm