…This is thought to be important not only for the effective expression of mating behavior, but also for the maintenance of the species. The nerve fibers of the olfactory cells are in contact with the mitral cells of the olfactory bulb and then travel to higher centers. In monkeys and other animals, there are two olfactory pathways: one that passes through the anterior piriform cortex to the dorsal medial thalamic nucleus and the central posterior part of the orbitofrontal cortex, and the other that branches off from the anterior piriform cortex, passes through the lateral hypothalamus, and reaches the lateral posterior part of the orbitofrontal cortex. … *Some of the terminology explanations that mention "olfactory bulb" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これは配偶行動の効果的な発現ばかりでなく,〈種〉の維持にも重要な意味をもつと考えられる。 嗅細胞の神経繊維は,嗅球olfactory bulbの僧帽細胞に接しており,さらに高位中枢へむかう。その嗅覚経路は,サルなどでは前梨状(ぜんりじよう)皮質をへて視床背内側核,眼窩(がんか)前頭皮質中央後部に達するものと,前梨状皮質から分かれて視床下部外側部をへて眼窩前頭皮質外側後部に達する二つの経路があるという。… ※「olfactory bulb」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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