Callosities, white patches of raised and roughened skin caused by parasitic lice living on the whales, are used to identify individuals.
22.
On the right whale, the parasites live mainly on callosities ( raised callus-like patches of skin on the whales'heads ).
23.
It contains 10 columella is slightly curved, with a brown callosity, its lower extremity produced, near the suture with a strong tubercle.
24.
Callosities form a unique pattern on every right whale and though callosities which are overgrown break off, the patterns do not change over a lifetime.
25.
Callosities form a unique pattern on every right whale and though callosities which are overgrown break off, the patterns do not change over a lifetime.
26.
Right whales are also unique in that they all have callosities roughened patches of epidermis covered with aggregations in clusters, of hundreds of small cyamids.
27.
The shoulder of an experienced deal porter is said to develop a callosity which enables it to bear the weight and friction of a load of planks.
28.
Callosities are found on the upper surface of the whale's head, above the eyes, on the jawline and chin and surrounding the blowhole.
29.
The range of complaints reported in the literature include metatarsalgia, pain under the first metatarsal, plantar fasciitis, painful callosities, ankle arthritis, and Achilles tendonitis.
30.
Alternative natural role of callosities has been considered as being optional tools against predators, and declines of right whales might have consequenced in declines of barnacles as well.