20 The ear (Vestibulo-acoustic Organs)
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1 20 The ear (Vestibulo-acoustic Organs)
2 Median line Sella turcica Tuba auditiva Cavum tympani A. carotis int. Superior border of petrous part Membrana tympani Cochlea N. facialis Meatus acusticus internus Sinus sigmoudeus Meatus acusticus ext. Ductus semicircularis anterior Antrum mastoideum Foramen magnum Saccus endolymphaticus Utriculus Ductus semicirc. lat. Ductus semicirc. post Location of vestibulo-acoustic organs in the temporal bone (Scheme).
3 Ampulla ductus semicircularis anterior Utriculus and macula utriculi Sacculus and macula sacculi Spiral organ Ductus semicircularis anterior Ampulla ductus semicircularis lateralis Ductus semicircularis lateralis Ductus semicircularis posterior Ductus cochlearis Ductus reuniens Ampulla ductus semicircularis posterior Ductus endolymphaticus Saccus endolymphaticus Scheme showing the structure of membranous labyrinth.
4 Cochlea, and External and Middle Ear
5 N. tympanicus Tympanic cavity Helicotrema Promontrium Internal acustic meatus Cochlear nerve Cochlea, vertical section, general view 1. Monkey, Held s hematoxylin stain, x 4.
6 Promontrium N. tympanicus Cavum tympani dc sv st sv dc dc sv st sv st st Ggl. spirale Cochlear nerve Cochlea, vertical section, general view 2. Monkey, Held s hematoxylin stain, x 10.
7 Stria vascularis Vestibular membrane sv st Spiral ganglion dc Organ of Corti Spiral limbus ssl ssi Lamina basilaris Spiral ligament st Osseous spiral lamina Cochlear nerve Spiral ganglion Canalis cochlearis, vertical section 3. Monkey, Held s hematoxylin stain, x 25.
8 Stria vascularis Vestibular membrane sv dc Spiral prominence Organ of Corti Tectorial membrane Spiral limbus Cells of Hensen sse N ssi T Lig. spirale Cells of Claudius Outer pillar Cells of Deiters Lamina basilaris Inner pillar st N. cochlearis Osseous spiral lamina Cochlear duct and organ of Corti 1. Monkey, Held s hematoxylin stain, x 64.
9 Vestibular membrane sv Stria vascularis Spiral limbus dc Tectorial membrane Spiral prominence Organ of Corti ssi sse Spiral ligament Osseous spiral lamina Cochlear nerve st Tunnel Lamina basilaris Cochlear duct and organ of Corti 2. Monkey, H-E stain, x 50.
10 sv Vestibular membrane Tectorial membrane Spiral limbus ssi N T dc Cells of Hensen Spiral prominence Cells of Claudius Stria vascularis sse Osseus spiral lamina Cochlear nerve Inner pillar cell Outer pillar cell st Lamina basilaris Cells of Deiters Spiral ligament Cochlear duct and organ of Corti 3. Monkey, H-E stain, x 64.
11 sv Inner hair cell Tectorial membrane dc Outer hair cells Spirl limbus External tunnel Cells of Hensen ssi N sse T Cochlear nerve st Cells of Deiters Cells of Claudius Inner pillar cell Inner pillar Outer pillar cell Lamina basilaris Outer pillar T: Tunnel N: Space of Nuel Organ of Corti. Monkey, H-E stain, x 100.
12 Periosteum Epithelium of limbus Limbus laminae spiralis Head plate of inner pillar and phalangeal process of outer pillar Inner hair cell Border cell Ve Sulcus spiralis internus Ty Membrana tectoria Outer hair cell of the 1st row Phalangeal process of Deiters cell Outer hair cell of the 3 rd row External tunnel Cells of Hensen Stria vascularis Sulcus spiralis externus Blood vessels Prominentia spilaris Lamina spiralis ossea Endothelium of acala tympani Cochleal nerv (myelinated) Inner Inner pillar phalangeal cell Spiral vessel Outer Cells of Inner pillar Deiters pillar Lamina Fiber of cell basilaris Retzius Outer pillar cell Unmyelinated nerve fibers Cells of Claudius T: Tunnel Nu: Space of Nuel Ve: Labium vestibuli Ty: Labium tympani Lig. spilare Scheme showing the structure of spiral organ 1.
13 IH: inner hair cell H1,H2,H3: outer hair cell D1,D2,D3: Deiters cell Inner hair cell Head plate of Outer hair cell inner pillar cell Border cell Inner phalangeal cell Phalangeal process of outer pillar cell Reticular membrane (Scheme). Cell of Hensen Phalangeal process of Deiters cell
14 Spiral ganglion. Monkey, Held s hematoxylin stain, x 160.
15 Vestibular membrane Spiral ligament Stria vascularis Spiral ligament Spiral prominence Stria vascularis. Monkey, H-E stain, x 100.
16 Skin Mucous membrane Tympanic membrane 1. Monkey, H-E stain, x 64.
17 Skin Mucous membrane Radial fibers Circular fibers Tympanic membrane 2. Monkey, H-E stain, x 160.
18 Gl. cerminosa Elastic cartilage Lumen Dermis Tuba auditiva externa, transverse section. Monkey, H-E stain, x 2.5.
19 Vestibular Organs
20 Macula sacculi Secondary tympanic membrane Round window Crista amp. posterioris Sacculus Vestibular ganglion Vestibulum Ampulla posterior Vestibulum 1. Sacculus and ampulla semicircularis posterior. Monkey, Held s hematoxylin stain x 5
21 Macula utriculi Utriculus Stapes Canalis semicircularis Vestibulum Vestibular nerve Vestibulum 2. Stapes and utriculus 1. Monkey, H-E stain, x 5.
22 Vestibulum Stapes N. facialis Utriculus Base of crista ampullaris posterior Macula utriculi Vestibulum 3. Stapes and utriculus 2. Monkey, H-E stain, x 5.
23 Vestibulum N. facialis Ampulla et crista amp. posterior Utriculus Base of crista ampullaris ant. et lat Vestibulum 4. Macula utriculi and crista ampullaris posterior. Monkey, H-E stain, x 5.
24 Vestibulum N. facialis Ampulla et crista amp. anterioris Ampulla posterior Ampulla et crista amp. lateralis Vestibulum 5. Crista ampullaris anterior et lateralis. Monkey, H-E stain, x 5.
25 Crista ampullaris 1. Monkey, H-E stain, x 13.2.
26 Cupula Neuroepitelium Supporting cells Nerves Crista ampullaris 2. Monkey, H-E stain, x 50.
27 Utriculus Otolithic membrane Sensory epithelium Vestivulum Macula utriculi 1. Monkey, H-E stain, x 33.
28 Otolithic membrane Otoliths Supporting cells Neuroepithelium Basement membrane Nerves Macula utriculi 2. Money, H-E stain, x 100.
29 Horizontal Sections of Human Temporal
30 Horizontal section of human temporal bone 1. H-E stain, x 1.0.
31 Horizontal section of human temporal bone 2. H-E stain, x 1.0.
32 Horizontal section of human temporal bone 3. H-E stain, x 1.0.
33 Horizontal section of human temporal bone 4. H-E stain, x 1.8.
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