1. The rhinarium is bare, with an obtuse, triangular projection. 2. Strepsirrhines are defined by their " wet nose " or rhinarium . 3. In the second week, the rhinarium becomes distinctive and heavily pigmented. 4. The rhinarium continues down where it divides the upper lip. 5. Strepsirrhines are defined by their wet nose or rhinarium . 6. The rhinarium is adapted for different purposes in different mammals according to ecological niche. 7. In many animals the form and purpose of the rhinarium remains to be elucidated. 8. Strepsirrhine primates, such as lemurs, still retain the philtrum and the rhinarium , unlike monkeys and apes. 9. Prior to 2013, taxonomy ignored the fact that tarsiers have no rhinarium when placing them in the Strepsirrhini. 10. The wet nose, or rhinarium , is essential for determining the direction of the air current containing the smell.
