Download PDF Color Atlas and Textbook of Human Anatomy Nervous Systemand Sensory Organs in 3 vol. by Werner Kahle

Sinopsis

The nervous system serves information processing. In the most primitive forms of organization (A), this function is assumed by the sensory cells (A–C1) themselves. These cells are excited by stimuli coming from the environment; the excitation is conducted to a muscle cell (A–C2) through a cellular projection, or process. The simplest response to environmental stimuli is achieved in this way. (In humans, sensory cells that still have processes of their own are only found in the olfactory epithelium.) In more differentiated organisms (B), an additional cell is interposed between the sensory cell and the muscle cell – the nerve cell, or neuron (BC3) which takes on the transmission of messages. This cell can transmit the excitation to several muscle cells or to additional nerve cells, thus forming a neural network (C). A diffuse network of this type also runs through the human body and innervates all intestinal organs, blood vessels, and glands. It is called the autonomic (visceral, or vegetative) nervous system (ANS), and consists of two components which often have opposing functions: the sympathetic nervous system and the parasympathetic nervous system. The interaction of these two systems keeps the interior organization of the organism constant.

Content

1. Introduction
2. Basic Elements of the
3. Nervous System
4. Spinal Cord and Spinal
5. Nerves
6. Brain Stem and Cranial
7. Nerves
8. Cerebellum
9. Diencephalon
10. Telencephalon
11. Cerebrovascular and
12. Ventricular Systems
13. Autonomic Nervous System
14. Functional Systems
15. The Eye
16. The Ear

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