Its a canal :)
Its a canal :)
the stone canal connects the madreporite to the ring canal and the ring canal allows water to flow into the radial canals, just tubes...
The anal canal has a ring of muscle, called the anal sphincter
An abdominal ring is either of the two openings in the abdominal muscle wall allowing the inguinal canal to pass through.
Holds all limbs together
that's easy it goes through the sieve plate, to the stone canal, then into the ring canal , to the radial canal and out the tube feet which are also used for respiration :)
There are hundreds of canals in Amsterdam, but I am going to assume that you're inquiring about what is referred to as the "canal ring" or grachtengordel" which is comprised of 4 nearly concentric canals that ring the city center (oldest part of Amsterdam). The inner most/first canal is known as the Singel. It is followed by the Herengracht (Gentleman's Canal), the Kaisergracht (The Kaiser's Canal), and the Prinsengracht (The Prince's Canal). The Brouwersgracht (The Brewer's Canal) is also one of the more historic canals in Amsterdam, as well.
Prinsen (Prince) gracht (canal) -- It means 'The Prince's Canal'
The inguinal canal is a passage in the lower abdominal wall that runs from the deep inguinal ring to the superficial inguinal ring. It is significant for containing structures such as the spermatic cord in males and the round ligament of the uterus in females. The canal is also a common site for inguinal hernias, where abdominal contents can protrude. Its anatomy is crucial in both surgical procedures and understanding certain medical conditions.
These tumors develop in the transitional zone, or cloaca, which is a ring of tissue between the anal canal and the rectum.
It depends what you're comparing them to. Here's a list some of the parts of a starfish: radial canal ring canal stone canal stomach reproductive glands digestive glands water vasculatory system optic cushion tube feet madreporite
It is the part that extends from the ring canal, all the way to the tip of the starfish. It's under the gonad.