The Five Senses of ManD. Appleton, 1886 - 304 pagini |
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Pagina xv
... seen with the Ophthalmoscope 84 36 87 24. Section of the Retina 90 25. Mode of proving the existence of the Blind Spot . 92 26. The connection between the Nerve Fibres and the Rods and Cones 95 FIG . TAGE 27. Formation of a Spectrum ΙΟΙ ...
... seen with the Ophthalmoscope 84 36 87 24. Section of the Retina 90 25. Mode of proving the existence of the Blind Spot . 92 26. The connection between the Nerve Fibres and the Rods and Cones 95 FIG . TAGE 27. Formation of a Spectrum ΙΟΙ ...
Pagina 6
... seen to the outer world has not yet taken place . The fixing of the eye upon objects does not take place suddenly , but is gradually developed from a spasmodic attempt to move the eye , which , perhaps , is caused by the irritative ...
... seen to the outer world has not yet taken place . The fixing of the eye upon objects does not take place suddenly , but is gradually developed from a spasmodic attempt to move the eye , which , perhaps , is caused by the irritative ...
Pagina 7
... seen and touched must be one and the same . Still one such logical conclusion is not sufficient to enable us to recognise objects as external to ourselves . A second follows , which certainly may appear very scientific , but is not so ...
... seen and touched must be one and the same . Still one such logical conclusion is not sufficient to enable us to recognise objects as external to ourselves . A second follows , which certainly may appear very scientific , but is not so ...
Pagina 15
... seen in the case of the blind , who are compelled to use it by necessity ; and , further , in the delicate tactile sense of the tongue , which is accustomed to grope in the dark , and so extremely correct are the decisions it can make ...
... seen in the case of the blind , who are compelled to use it by necessity ; and , further , in the delicate tactile sense of the tongue , which is accustomed to grope in the dark , and so extremely correct are the decisions it can make ...
Pagina 17
... seen also the sweat - glands , g , in the skin , h ... e- f-- -α 6 L. - d Fig . 1 . whose ducts , h , penetrate to the surface of the skin , i . The nerves of the skin which terminate in single fibres only extend to the dermis , and ...
... seen also the sweat - glands , g , in the skin , h ... e- f-- -α 6 L. - d Fig . 1 . whose ducts , h , penetrate to the surface of the skin , i . The nerves of the skin which terminate in single fibres only extend to the dermis , and ...
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Termeni și expresii frecvente
action apparatus appear auditory canal auditory nerve basilar membrane blue body brain called camera obscura cause centre cochlea colours conveyed direction dissonance distance distant object distinctly distinguish ear-bones edge Ernst Heinrich Weber Eustachian tube exactly excited experience external ear fenestra ovalis fibres of Corti field of vision finger fixed fundamental tone greater green harmonics Helmholtz imagine impression incidental images instance instrument inwards irritation labyrinth labyrinthine fluid lens look manner means motion move muscles musical nerve-fibres number of vibrations observed octave olfactory olfactory nerve optic nerve organs of Corti outer passes peculiar perceive perception picture pitch position possess produced rays of light recognise refraction resonator retina seen sensation of light sense of touch sensory circle sensory organs single skin smell sound sound-waves spectrum string substances suppose surface sympathetic vibrations takes place terminal tion tube tuning-fork tympanic cavity tympanic membrane violet waves whilst yellow spot