prickle

Directory

References

Discover

Big beaver gnawing on limb at river's edge

6 Animal Species that Mate for Life

Blackboard inscribed with scientific formulas and calculations in physics and mathematics

Beyond Pi: 7 Underrated Single-Letter Variables and Constants

Panoramic view of moai, Ahu Tongariki, Easter Island (Rapa Nui), Chile

8 of the World’s Most-Remote Islands

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Bakers Dozen of Donuts, or Paczki's

Why Is a Baker’s Dozen 13?

Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics

10 Greatest Baseball Players of All Time

The Fortune-Teller, oil on canvas by Georges de La Tour, probably the 1630s; in the Metropolitan Museum of Art, New York City. (101.9 x 123.5 cm.) (The Fortune Teller)

10 Paintings You Should See at the Met in New York City

prickle

plant anatomy

Learn about this topic in these articles:

structure in angiosperms

In angiosperm: Dermal tissue
Prickles, such as those found in roses, are an outgrowth of the epidermis and are an effective deterrent against herbivores.
Read More