A fully developed and mobile third eyelid in birds; in the open eye this thin elastic conjunctival fold lies at the inner canthus.
Third eyelid, nictitating membrane
Definition
Related terms
Talon, toe nail, claw
Horny structure at the end of the toe.
Tender body conformation in poultry, tender constitution in poultry
Constitution type characterized by a fine skeleton, dry joints, fine, seemingly ...
Testicles, testes
Bean- to egg-shaped male gonads located in the body cavity; they produce sperm a...
Testing of biological value of hatching eggs
Control involving evaluation of the quality of hatching eggs and analysis of dea...
Thigh, upper thigh
Technological term for the body part of a slaughtered bird including the pelvic ...
Thr
Symbol for the amino acid threonine.
