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Lecture
Lecture

... – Sensory information from receptors to CNS ...
presentation
presentation

... to  interact  with each  other.    The  network  connected  to  M1  spikes  at  a  higher   frequency  and  is  able  to  trigger  SICs (Slow  Inward  Currents)  in  both   NTs networks.   NTs N3 ...
Document
Document

... – Sensory information from receptors to CNS ...
21. Basal ganglion
21. Basal ganglion

... Some fibers pass round the anterior margin of the internal capsule as ansa lenticularis, while others pass through the internal capsule as lenticular fasciculus. The fibers continue to course medially then loop dorsally and laterally as thalamic fasciculus to enter the ventral aspect of the thalamus ...
3A & 3B PowerPoint
3A & 3B PowerPoint

... much like the orange plastic coating does on an electrical cord. ...
Chapter 12 Nervous System Cells
Chapter 12 Nervous System Cells

... several knobs being activated simultaneously and stimulating different locations on the postsynaptic membrane, producing an action potential – Temporal summation—when synaptic knobs stimulate a postsynaptic neuron in rapid succession, their effects can summate over a brief period of time to produce ...
The Brain - Morales Biology
The Brain - Morales Biology

... brain to the spinal cord. Center that regulates heart rate, respiratory rate, blood pressure, swallowing, vomiting, sneezing, and coughing. ...
Brain - HCC Learning Web
Brain - HCC Learning Web

... Pituitary gland Fourth ventricle ...
The Nervous System and Neurons
The Nervous System and Neurons

... and causes MOVEMENT! ...
nerve impulse
nerve impulse

... immediate threats to the internal environment; produces fight-or-flight response • Parasympathetic division: coordinates the body’s normal resting activities; sometimes called the rest-and-repair division ...
The brain - Epilepsy Society
The brain - Epilepsy Society

... may not be sufficient to cause an obvious seizure (though it may show up as a spike on an electroencephalogram – EEG), but if the electrical energy is strong enough and affects enough neurons it will produce symptoms with the characteristics of the area in which ...
Neurons
Neurons

...  Signaling by another neuron or a sensory event may initiate an action potential. During an action potential there is a transitory change in the polarity of the electrical charge across the cell membrane. The membrane then alters its permeability to the charged ions, and the charge across the cell ...
axon
axon

... Schwann cells - supporting cells of the PNS that myelinate axons. • Myelin sheath – whitish lipoprotein that surrounds and insulates the axon (nerve fiber) • Neurilamma - external layer containing bulk of cytoplasm with ...
Lecture-24-2013-Bi
Lecture-24-2013-Bi

... permeates into brain via a transporter ...
File
File

... In crisis, the endocrine system shifts into a new mode to support the sympathetic nervous system….it releases epinephrine (adrenalin).  Triggers the “fight or flight” response ...
Cardiovascular Reflex Stimulation of ADH Release by Decreased
Cardiovascular Reflex Stimulation of ADH Release by Decreased

... of about 142 mEq/L. Osmolarity averages about 300 mOsm/L and seldom changes more than ±2 to 3 per cent. These variables must be precisely controlled because they determine the distribution of fluid between the intracellular and extracellular compartments. Vasopressin or anti-diuretic hormone ADH is ...
Discoveries From the Deepest Sleep
Discoveries From the Deepest Sleep

... The problem is that wave action also keeps the water at LaSalle Park ice-free in winter, which gives trumpeter swans access to aquatic plants that are essential to their diet. If the water freezes, the swans will have to move on. But where? Kingdon and Benneian say that’s one of the biggest question ...
9.5 & 9.11 PP - Mrs. heninger
9.5 & 9.11 PP - Mrs. heninger

... neurotransmitters, resting potential, action potential, reflex arc, receptor, sensory neuron, interneuron, motor neuron, effector. ...
Untitled - inetTeacher
Untitled - inetTeacher

... The nervous system has two parts. The central nervous system consists of the brain and spinal cord. The peripheral nervous system is made up of nerve cells that send messages between the central nervous system and other parts of the body. Nerve cells are called neurons. ...
Nervous System
Nervous System

... receives sensory information from the inner ear (which senses balance). HYPOTHALAMUS (W) one of the most important sites for the regulation of homeostasis. It maintains internal environment, contains centers for hunger, sleep, thirst, body temperature, water balance, blood pressure. Controls PITUITA ...
Cerebellar system and diseases
Cerebellar system and diseases

... Walking difficulty ...
Chapter 27 Lecture notes
Chapter 27 Lecture notes

... I. Nervous System Structure and Function Module 28.1 Nervous systems receive sensory input, interpret it, and send out appropriate commands. A. The nervous systems of animals are the most complex data processing systems on Earth. The human brain contains approximately 100 billion neurons. A neuron i ...
Lecture 27 Powerpoint File
Lecture 27 Powerpoint File

... – MEG data shows abnormal propagation of signals in the MNS when imitating lip movements in individuals with Asperger’s Syndrome – fMRI data shows that BOLD signal in MNS during viewing and imitating emotional expressions is negatively correlated with severity of Autism Spectrum Disorder ...
Ions in Your Life
Ions in Your Life

... Ions pass through a gated aqueous pore, which is narrow at the selectivity filter. The voltage sensors are collections of charged residues that are dragged towards the inside of the outside as the membrane’s charge changes. They regulate gating. ...
Nervous System Worksheets
Nervous System Worksheets

... function such as heart rate, blood pressure and digestion. Rest and Digest The parasympathetic division of the autonomic nervous system is commonly referred to as the "rest and digest" portion. It is responsible for energy conservation and regular body functions such as urination. ...
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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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