The animal's many stomachs were strung along its body like beads on a necklace, each one associated with a group of finger-like projections.
The wall itself is made up of folds, each of which has many tiny finger-like projections known as villi on its surface.
The individual epithelial cells also have finger-like projections known as microvilli.
The small intestine, which is covered in tiny, finger-like projections, does not have a physical barrier to prevent bacteria from reaching it.
Its top features 10 holes, three butterfly joints, and many finger-like projections along its free edge.
Aguarunichthys was originally described due to the distinctive finger-like projections of the gas bladder.
Below their heads on either side are four or five finger-like projections that resemble hands.
Some species have large cloacal cavities that are lined with many finger-like projections.
Its circular mouth has hard, finger-like projections with which it seizes its prey.
It takes its name from the villi, the millions of tiny finger-like projections that occur in the bowel.