7 Σ’Ë¡“ : Lysakowki, A. et al. Otolaryngology, Head and Neck Surgery. Vol. 4, 3 rd ed. St. Louis: Mosby-Yearbook, Inc., 1998. ‚§√ß √â“ß·≈–Àπâ“Σ’Ë¢ÕßÀŸ ‚§√ß √â“ߢÕßÀŸ™—Èπ„π (Inner Ear or Labyrinth) ÀŸ™—Èπ„ππ’Èμ—ÈßÕ¬Ÿà„π à«π¢Õß Petrous ¢Õß°√–¥Ÿ°¢¡—∫ (Temporal bone) ´÷Ëß¡’ à«πΣ’Ë‡ªì𠂧√ß √â“ß·¢Áߧ◊Õ Bony Labyrinth ·≈– à«πΣ’Ë‡ªìπ‡π◊ÈÕ‡¬◊ËÕΣ’Ë¥“¥Õ¬Ÿà¿“¬„π à«πΣ’Ë‡ªìπ‚§√ß √â“ß ·¢Áßπ—Èπ (·μà‰¡à§√∫Σÿ° à«π) §◊Õ Membranous Labyrinth 1. Bony Labyrinth √ŸªΣ’Ë 7 ‚§√ß √â“ߢÕßÀŸ™—Èπ„π à«π¢ÕßÀŸ™—Èπ„πΣ’Ë‡ªìπÀâÕß ≈—∫´—∫´âÕππ’È ·∫àß·¬°ÕÕ°‰¥â‡ªìπ 2 à«π„À≠àÊ μ“¡ ∫Σ∫“ΣÀπâ“Σ’Ë §◊Õ à«π¢Õß Cochlea Σ’ËΣ”Àπâ“Σ’Ë„π°“√§«∫§ÿ¡°“√‰¥â¬‘π ·≈– à«π¢Õß Vestibule ´÷Ë߇ªìπ à«πΣ’Ë¡’§«“¡ ”§—≠„π°“√§«∫§ÿ¡°“√Σ√ßμ—«¢Õß√à“ß°“¬ 1.1 Cochlea ‡ªìπÕ«—¬«–√Ÿª°âπÀÕ¬¢π“¥ 2.5-2.75 ´¡. ¬“«ª√–¡“≥ 2 π‘È«§√÷Ëß À√◊Õ 7 ´¡. ¿“¬„π·∫àßÕÕ°‡ªìπ 3 ™àÕß §◊Õ Scala vestibule, Scala tympani ·≈– Scala media ´÷Ëß¡’Õ«—¬«–Σ’Ë ”§—≠„π Scala media §◊Õ Organ of Corti ‡ªìπμ—«√—∫§≈◊Ëπ‡ ’¬ßμà“ßÊ ‚¥¬¡’ cell ª√– “Σ√—∫°“√°√–μÿâπ§◊Õ Hair cell Σ’Ë¡’μ—« Tectorial membrane ‡ªìπμ—«§≈ÿ¡Õ¬Ÿà ·≈–‡¡◊ËÕ¡’°“√ ‡§≈◊ËÕπ‰À«¢Õß membrane π’È®“°°“√ –‡Σ◊Õπ¢Õß Endolymph ®–Σ”„À⇰‘¥‡ªìπæ≈—ßß“πª√– “Σ¢÷Èπ „π°“√ àߧ≈◊Ëπ‡ ’¬ßΣ’Ë¡’§«“¡∂’Ëμà“ßÊ ®“° 20-20,000 Hz. ‡¢â“ Ÿà√–∫∫ª√– “ΣΣ“ß‡ âπ ª√– “Σ ¡ÕߧŸàΣ’Ë 8 (Acoustic or Auditory Nerve)
preview20
To see the actual publication please follow the link above