The term rhinencephalon has been used to describe different structures at different points in time. ... As such, the rhinencephalon includes the olfactory bulb, the olfactory tract, the olfactory tubercle and striae, the anterior olfactory nucleus and parts of the amygdala and the piriform cortex.

What is a Rhinencephalon?

: the chiefly olfactory part of the forebrain.

What are the olfactory nerves?

The olfactory nerve is the first cranial nerve (CN I). It is a sensory nerve that functions for the sense of smell. Olfaction is phylogenetically referred to as the oldest of the senses. It is carried out through special visceral afferent nerve.