No, nasal conchae and choanae are not the same thing; they refer to different structures in the nasal cavity.
The nasal conchae, also known as turbinates, are bony structures located on the lateral walls of the nasal cavity. There are three main conchae: the superior, middle, and inferior nasal conchae. Their primary function is to increase the surface area of the nasal cavity, which helps to warm, humidify, and filter the air we breathe.
On the other hand, choanae are the openings that connect the nasal cavity to the throat (pharynx). They are located at the back of the nasal cavity and allow air to pass from the nose into the respiratory system. There are two choanae, one on each side, and they play a crucial role in proper airflow and drainage within the nasal passages.
In summary, while both nasal conchae and choanae are associated with the nasal cavity, they serve different functions and are distinct anatomical structures.