finger-like processes

They are spine-like or finger-like processes, and are usually diametrically placed.

The lower three rays of the pectoral fins are separate, finger-like processes that contain sensory organs.

--The microscopic, finger-like processes which hang from one of the surfaces of the placenta and are surrounded by the mother's blood.

The first instar is sac-like and lacks both trophi and tracheae but at the caudal end it bears a pair of finger-like processes.

It can also be expanded, as in Strombus; it can have finger-like processes (digitate) or it can be fringed with spines (foliated), as in Murex.

When thin slices of the placenta are magnified they are found to contain countless numbers of tiny, finger-like processes; these are the villi, and they constitute the major portion of the organ.