Text-book of anatomy and physiology for nurses (1913) (14743956476)

Gray's Anatomy is a classic human anatomy textbook first published in 1858 by Henry Gray. The book, which is widely considered to be one of the most important and influential works in the field of anatomy, provides a detailed and comprehensive description of the human body, including the bones, muscles, organs, and systems that make up the body. Gray's Anatomy is still widely used by medical students, physicians, and other healthcare professionals for its detailed illustrations and accurate descriptions of the human body. The latest edition is the 41st edition and is edited by Susan Standring.


Identifier: textbookofanatom00bund (find matches)
Title: Text-book of anatomy and physiology for nurses
Year: 1913 (1910s)
Authors: Bundy, Elizabeth Roxana, 1850-
Subjects: Anatomy Physiology
Publisher: Philadelphia : P. Blakiston's son Co
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons



Text Appearing Before Image:
nerves is to connect all parts of thebody (except face, chin and anterior part of head) with the spinalcord, for the purpose of conducting sensory and motor impulses toand from the cord. In referring to motor nerves we have thus far mentioned theirnatural stimulus only, that is,—the impulse generated by a motor ^cell. The electric current applied to a motor nerve in any partof its course will excite its activity, showing in muscle contraction,etc. This is an artificial stimulus, and the most powerful oneknown. (The special functions of individual nerves have already been,considered in foregoing pages.) CHAPTER XVIII. THE BRAIN AND CRANIAL NERVES. The cerebro-spinal or central nerve system comprises theBrain and Spinal Cord with their nerves. The spinal cord andits nerves are already described in Chapters XVI and XVII. The brain^ is ovoid in shape, composed of gray cells and whitefibers, situated within the cranial cavity and continuous throughthe foramen magnum with the spinal cord.
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¥io. z-)-).—The External Surface of the Brain (Deaver). The surface consists of gray cells and their branches and iscalled the cortex of the brain, while the interior is white, with severalganglia (collections of gray matter) imbedded within it. The surface or cortex of a well-developed brain is marked bymany fissures, separating curved ridges called convolutions (orgyres), the number and depth of which correspond with the degree A review of pages 229 and 230 is recommended before studying the descriptionthe brain. 249 250 ANATOMY AND PHYSIOLOGY FOR NURSES. of development, the brain of a new-born child being comparativelysmooth. The white portion is composed of white fibers (the medullatedaxons of the cell bodies). They run in many directions. Someconnect the different main divisions of the brain; others run fromone part of the cortex to another; others still, in great number, connectthe brain and spinal cord (Fig. 178). Taken together, they makeup the mass of the brain itself. KAL