A treatise on anatomy, physiology and hygiene - designed for colleges, academies and families (1850) (14761800776)

Identifier: treatiseonanatom00cutt (find matches)

Title: A treatise on anatomy, physiology and hygiene : designed for colleges, academies and families

Year: 1850 (1850s)

Authors: Cutter, Calvin, 1807-1873?

Subjects: Physiology Anatomy Hygiene Anatomy Physiology Hygiene

Publisher: Boston : B.B. Mussey

Contributing Library: Columbia University Libraries

Digitizing Sponsor: Open Knowledge Commons

Text Appearing Before Image:

n the larynx.) 4, The jiulmonary plexus of the tenth nerve. 5, The cardiacplexus of the tenth nerve. These two plexuses supply the heart and lungs with ner-vous filaments. 7, The origin of the fourth pair of nerves, that passes to the superioroblique muscle of the eye. 8, The origin of the facial nerve, that is spread out on theside of the face and nose. 9, The origin of tlic glosso-pharj-ngea! nerve, that passeslo tile tongue and pharynx. 10, The origin of the spinal accessory nerve. 11, Tliisnetve penetrating the sterno-mastoideiis muscle. 13, Jhe origin of the internal res-piratory or phrenic nerve, that is seen to ramify on tiie diaphragm. 13, The origin <ifthe external respiratory nerve, that ramifies on the pectoral and scaleni muscles. 784. Give the respiratory nerves. What is said in reference to the respira-tory nerves r 785. Through the agency of what nerves arc the respiratorymuscles brought into action ? Explain fig. 132. PHYSIOLOGY OF THE NERVOTTS SYSTEM. 353 Fig. 132.

Text Appearing After Image:

o54 ANATOMY, PHYSIOLOGY, AND HYGIENE. into aclion without the necessity of the interference of themind. Though. to a certain extent they may be under theinfluence of the will, yet it is only in a secondary degree. Nooie can long suspend the movements of respiration ; * for ina short time, instinctive feeling issues its irresistible mandate,wliich neither requires the aid of erring wisdom, nor brooksthe capricious interference of the will. 786. The fourth, seventh, and tenth pairs of nerves, (7, 8,9, fig. 132,) with the spinal accessory, phrenic, and externalrespiratory, are not only connected with the function of respi-ration, but contribute to the expression of the passions andemotions of the mind. 787. The influence of this order of nerves in the expres-sion of the passions, is strikingly depicted in Sir Charles BellsTreatise on the Nervous System. In terror, lie remarks, we can readily conceive why a man stands with his eyesintently fixed on the object of his fears — the eyebrows

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1850

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