MAMMILLARY EMINENCE
\mˈamɪləɹi ˈɛmɪnəns], \mˈamɪləɹi ˈɛmɪnəns], \m_ˈa_m_ɪ_l_ə_ɹ_i_ ˈɛ_m_ɪ_n_ə_n_s]\
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is a name given, 1. To more or less marked prominences on the inner surface of the bones of the cranium, which correspond to the anfractuosities of the cranium. 2. To white, round, medullary tubercles, of the size of a pea, situate at the base of the brain, behind the gray substance from which the Tige pituitaire, of the French anatomists, arises. These Mammillary Tubercles, Corpora albicantia seu Candicantia seu Mammillaria seu Pisiformia, Bulbi fornicis, Mammillae seu Globuli medullares, Prominentiae albicantes, Processus mammillares cerebri, Protensiones glandulares, Eminentiae candicantes, Priorum crurum fornicis bulbi, Willis's Glands, (F.) Bulbes de la voute a trois piliers, Tubercles pisiformes (Ch.), are united to each other by a small grayish band, which corresponds with the third ventricle. They receive the anterior prolongations of the fornix. Some ancient anatomists, taking the nervous trunks, to which Willis first gave the name of olfactory nerves, for simple appendages of the brain, called them, an account of their shape, Carunculoe mammillares. Vesalius, Fallopius, Columbus, and several others, termed them Processus mammillares cerebri ad nares. They have also been called Trigona olfactoria.
By Robley Dunglison