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Papez circuit

A neural pathway in the brain first described by American neuroanatomist James Papez in 1937. Papez believed that the circuit was involved with emotions. Since the circuit’s discovery, many experiments have been conducted to explore the system and how its structures work together. Recent studies show that it has a more significant role in memory functions than in emotions. The Papez circuit was later modified by American neuroscientist and physician Paul D. MacLean and now, the circuit is known as the limbic system. Damage to parts of the Papez circuit have shed light on not only its function, but on possible diagnosis of many disorders relating to memory....

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Papilla

/pəˈpɪlə/ Noun, plural papillae 1. A nipple-like anatomical structure. (wiktionary.org) 2. A small projecting body part similar to a nipple in form: as (merriam-webster.com) a : a vascular process of connective tissue extending into and nourishing the root of a hair, feather, or developing tooth b : any of the vascular protuberances of the dermal layer of the skin extending into the epidermal layer and often containing tactile corpuscles c : renal papilla d : any of the small protuberances on the upper surface of the tongue 3. (Botany) a tiny outgrowth on the surface of a petal or leaf. (wordnetweb.princeton.edu) 4. A small nipple-shaped protuberance concerned with taste, touch, or smell. (wordnetweb.princeton.edu) 5. A small projection of tissue at the base of a hair or tooth or feather. (wordnetweb.princeton.edu) Word origin: From Latin papilla “nipple,” diminutive of papula...

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