Mostly cylindrical, resemble Type 1 in their contents and the presence of a kinocilium and stereocilium apically; much greater variation in size, some almost span the entire thickness of the sensory epithelium, while others are smaller than Type 1; receive multiple efferent nerve boutons around their bases as well as afferent endings, which are small expansions rather than chalices. [ https://www.worldcat.org/search?q=bn%3A0517223651 ]