The chambers are separated by walls called septa; the line along which each septum meets the outer shell is called the suture or suture line.
The line along which each septum meets the outer shell is called the suture or suture line. The chambers are separated by walls called septa.
The chambers are separated by walls called septa. The line along which each septum meets the outer shell is called the suture or suture line.
The chambers are separated by walls called septa. The line along which each septum meets the outer shell is called the suture or suture line.