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The Nervous System Organization of the Nervous System
The Nervous System Organization of the Nervous System

... Two hemispheres: left hemisphere responsible for motor and sensory control over right side of body, and vice versa. Two hemispheres linked via region of white matter known as the corpus callosum. Responsible for conscious thought, intellectual function, limited input and control of sensory informati ...
PowerPoint to accompany Hole’s Human Anatomy and
PowerPoint to accompany Hole’s Human Anatomy and

... Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. ...
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chapt10_holes_lecture_animation

... Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. ...
Neurology
Neurology

... controlling the secretions of the pituitary gland or by producing some of the hormones that are secreted by the pituitary. These hormones affect the body or affect other glands in the body. Their overall affect is to maintain homeostasis. The hypothalamus also contains neurons associated with the li ...
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... target cells. For example, gonadotropin-releasing hormone (GnRH) released from the hypothalamus binds to GnRH receptors in the anterior pituitary. GnRH bound to its receptors causes down-regulation of the GnRH receptors so that eventually the target cells become less sensitive to the GnRH. (b) Up-re ...
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Asymmetry of the Neuroendocrine System
Asymmetry of the Neuroendocrine System

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16-1 INTRODUCTION The ANS regulates many important functions
16-1 INTRODUCTION The ANS regulates many important functions

... parasympathetic division stimulates the pancreas to release digestive enzymes into the small intestine, and stimulates the small intestine to contract and mix the enzymes with food. 2. Both divisions can act together to produce a response. For example, the parasympathetic division stimulates erectio ...
A & P 240: Overview of the Human Nervous System
A & P 240: Overview of the Human Nervous System

... 1. The N.S. helps control and integrate all body activities by sensing changes (sensory), interpreting them (integrative), and responding to them (motor). 2. The N.S. has two principal Divisions: the Central N.S. (CNS) and the Peripheral N.S. (PNS). 3. The CNS consists of the Brain and Spinal Cord. ...
nervous system
nervous system

... Copyright © 2009 Pearson Education, Inc. ...
Chapter 12: Neural Tissue
Chapter 12: Neural Tissue

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Neurotransmitter and Neuromodulator Activity in

... slices at known concentrations. The ability to control both the intracellular and extracellular environment permitted us to make conclusions regarding the ionic mechanisms involved in neurotransmission. All the data reported here were obtained in the current clamp mode by injecting current to modify ...
Chapter 12: Heart
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... 3 The cardioregulatory center controls the frequency of action potentials in the sympathetic neurons (blue) extending to the heart. The sympathetic neurons increase the heart rate and the stroke volume. 4 The cardioregulatory center influences the frequency of action potentials in the sympathetic ne ...
Neural Cell Assemblies for Practical
Neural Cell Assemblies for Practical

... be a concept/or part of a concept. Once such a system is available, one can have the advantage of viewing the full picture before getting at the low level details. This naturally is dependent on the feasibility of untangling the sub-patterns that makes up the large memory. This is possible with a gr ...
Understanding-Psychology-8th-Edition-Morris-Test-Bank
Understanding-Psychology-8th-Edition-Morris-Test-Bank

... You are a cell in the human nervous system. Your primary function is to provide support for neurons, hold them together, and help remove waste products and other substances which could otherwise harm them. You are a(n) ______ cell. a. epidermal c. adipose b. glial d. lymph ...
FUNCTIONAL CLASSIFICATION OF NERVE FIBER LEARNING
FUNCTIONAL CLASSIFICATION OF NERVE FIBER LEARNING

... Nervous system along with endocrine system control all activities of the body .primarily it is divided into  Brain  Spinal cord Peripheral Nervous System (PNS)  Nerves that extend from the brain and spinal cord The central nervous system is composed of large number of excitable nerve cells and th ...
Chapter 12: Central Nervous System
Chapter 12: Central Nervous System

...  Releasing hormones control secretion of hormones by the anterior pituitary  The supraoptic and paraventricular nuclei produce ADH and oxytocin ...
Senses - Peoria Public Schools
Senses - Peoria Public Schools

... Pain Receptors • Consist of free nerve endings are located in the skin and internal tissues, except the nervous tissue of the brain • Stimulated when tissue is damaged • Usually specific to the type of pain • Adapt very little, if at all ...
Purkinje cells
Purkinje cells

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Circumventricular organs

Circumventricular organs (CVOs) are structures in the brain that are characterized by their extensive vasculature and lack of a normal blood brain barrier (BBB). The CVOs allow for the linkage between the central nervous system and peripheral blood flow; additionally they are an integral part of neuroendocrine function. The lack of a blood brain barrier allows the CVOs to act as an alternative route for peptides and hormones in the neural tissue to the peripheral blood stream, while still protecting it from toxic substances. CVOs can be classified into (a) sensory and (b) secretory organs. The sensory organs include the area postrema (AP), the subfornical organ (SFO) and the vascular organ of lamina terminalis. They have the ability to sense plasma molecules and then pass that information into other regions of the brain. Through this, they provide direct information to the autonomic nervous system from the systemic circulation. The secretory organs include the subcommissural organ (SCO), the posterior pituitary, the pineal gland, the median eminence and the intermediate lobe of the pituitary gland. These organs are responsible for secreting hormones and glycoproteins into the peripheral vascular system using feedback from both the brain environment and external stimuli.All of the circumventricular organs, besides the SCO, contain extensive vasculature and fenestrated capillaries which leads to a ‘leaky’ BBB at the site of the organs. Furthermore, all CVOs contain neural tissue, allowing them to play a role in the neuroendocrine system. It is highly debated if the choroid plexus can be included as a CVO. It has a high concentration of fenestrated capillaries, but its lack of neural tissue and its primary role of producing cerebrospinal fluid (CSF) usually excludes the choroid plexus from the CVO classification.Research has also linked CVOs to body fluid regulation, cardiovascular functions, immune responses, thirst, feeding behavior and reproductive behavior.
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