The anterior part of the worm can be recognized by small growths, called caruncle, which have the same color of the gills on the first four segments.
22.
With ocular allergies, the lacrimal caruncle and the plica semilunaris of the conjunctiva may be inflamed and pruritic ( itchy ) due to histamine release in the tissue and tear film.
23.
Other seed appendages include the raphe ( a ridge ), wings, "'caruncles "'( a soft spongy outgrowth from the outer integument in the vicinity of the micropyle ), spines, or tubercles.
24.
They can be distinguished from Foveaux shags by their facial ornamentation in the breeding season : Foveaux shags have dark orange papillae on their face, whereas Otago shags have both papillae and small bright orange facial caruncles above the base of the bill.
25.
Foveaux shags can be distinguished from Otago shags by their facial ornamentation in the breeding season : Foveaux shags have dark orange papillae on their face, whereas Otago shags have both papillae and small bright orange facial caruncles above the base of the bill.
