echinulate

As a noun terms

is .

As an adjective echinulate is

(biology) having small spines or similar projections.

As a noun projection

is something which projects, protrudes, juts out, sticks out, or stands out.

As an adjective echinulate is

having small spines or similar projections.

As a noun spine

is the series of bones situated at the back from the head to the pelvis of a person, or from the head to the tail of an animal; backbone, vertebral column.

As an adjective echinulate is

having small spines or similar projections.