The spelling of "plica gubernatrix" may seem perplexing to many, but with the help of IPA phonetic transcription, it can be unraveled. IPA transcription shows that "plica" is pronounced as "plɪkə", with the emphasis on the second syllable, while "gubernatrix" is pronounced as "ɡjuːbərnətreɪks" with the emphasis on the third syllable. This word refers to a structure found in certain bird species, which helps in the process of flight. Its spelling may be complex, but phonetic transcription makes it easier to understand its pronunciation.
"Plica gubernatrix" is a Latin term that refers to a fold or ridge in the lower part of a bird's wing, particularly found in birds of prey. This anatomical structure is commonly known as "the plica" or "the thumb" due to its distinctive appearance. The plica gubernatrix is composed of stiffened feathers that are situated at the base of the primary feathers, extending from the wing's leading edge towards the body.
The function of the plica gubernatrix is to aid in the bird's overall flight performance, particularly during high-speed maneuvers and aerial agility. It plays a crucial role in enhancing the bird's maneuverability and control during flight, allowing for quick changes in direction and precise adjustments to maintain stability in flight. The plica gubernatrix acts as a secondary support system for the wing, providing additional strength to the feathers and reducing the risk of twisting or folding.
This specialized wing structure is primarily found in birds that engage in active hunting or prey capture, such as birds of prey or raptors. The plica gubernatrix is an important adaptation that enables these birds to excel in their predatory lifestyle, facilitating their ability to capture and handle agile and evasive prey.
Overall, the plica gubernatrix is a unique anatomical feature that contributes to the extraordinary flight capabilities of birds of prey, allowing them to maneuver swiftly and effectively in pursuit of their quarry.
A fold of the mesorchium, or mesentery of the testis in the fetus, which is attached below, contains the gubernaculum testis, and terminates at the internal ring in the processus vaginalis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.