Olfactory epithelium

Japanese: 嗅上皮 - きゅうじょうひ

…When we try to smell something, we inhale strongly in order to bring the air into contact with these olfactory cells. The mucous membrane of the olfactory cleft is dark brown, and this part is called the olfactory mucosa or olfactory epithelium (Figure 1). Its area is 2.4 to 6.4 cm2. …

From [Nose]

…In sharks and rays, the nostrils are complex-shaped holes that open on the underside of the snout, with a lid called the nasal valve, and behind that is a very large, bowl-shaped cavity called the olfactory sac. The inner surface of this cavity is lined with the olfactory epithelium, which is responsible for the sense of smell. This gives these fishes an extremely sensitive sense of smell. …

*Some of the terminology that refers to the olfactory epithelium is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…においをかごうとするとき強く吸いこむのは，空気をこの嗅細胞にふれさせようとするためである。嗅裂部の粘膜は暗褐色をおびており，この部分を嗅粘膜または嗅上皮と呼ぶ（図1）。面積は2.4～6.4cm2である。…