members of CHOP’s Center for Fetal Diagnosis and Treatment team‚ it occurs when the spinal cord does not properly close before birth. That means that the spinal cord is exposed to amniotic fluid during fetal life. Amniotic fluid is the watery fluid within the innermost membrane that encloses the embryo and surrounds the fetus throughout pregnancy. Amniotic fluid is also what cushions the fetus protecting it from injury‚ providing freedom of fetal movements‚ helping maintain the fetal oxygen supply and
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because of injury or disease to certain areas of the brain Arachnoid membrane-weblike middle layer of the three membranous layers surrounding the brain and spinal cord Ataxia-without muscular coordination Autonomic nervous system-part of the nervous system that regulates the involuntary vital functions of the body Axon-part of the nerve cell that transports nerve impulses away from the nerve cell body Bradykinesia-abnormally slow movement Cauda equine-lower end of the spinal cord and the roots
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disease‚ injury‚ birth trauma‚ amputation‚ burns‚ or other causes. Other causes of orthopedic impairments may include: · Spina bifida · Diabetes · Nervous system disorders · Traumatic spinal cord injury · Stroke · Muscular Dystrophy · Cerebral Palsy Orthopedic impairments involve a wide range of causes and a diverse group of students. Some children have impairments caused by congenital anomalies‚ whereas others have experienced injuries or conditions
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Human Biology 3A Notes CHAPTER 4: Chemical Messengers Homeostasis: the maintenance of a constant internal environment Homeostasis ensures that the fluid environment of the cells: • Contains the optimum concentration of nutrients‚ ions‚ gases and water • Stays at a constant temperature – the optimum temperature for normal cell functioning • Is maintained at the optimum pressure Feedback system: Negative feedback system: Negative feedback: Positive feedback: A situation where the response toa
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Meningitis A) Meningitis = acute inflammation of first 2 meninges that cover the brain 1) 13-23_____9) AB) poliomyelitis Polio 3) primarily affects motor neurons of the medulla oblongata‚ and spinal cord a) muscles die
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The nervous system consists of the brain‚ spinal cord‚ and a complex network of neurons. This system is responsible for sending‚ receiving‚ and interpreting information from all parts of the body. The nervous system monitors and coordinates internal organ function and responds to changes in the external environment. This system can be divided into two parts: the central nervous system and the peripheral nervous system. Let ’s take a look at the central nervous system. Central Nervous System The
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brain. Along with an MRI scan‚ a CT scan can help diagnose hydrocephalus in both pediatrics and adults. Both of these imaging modalities can diagnose and show the enlarged brain along with the dilated ventricles that results from excessive cerebral spinal fluid within the brain. If there is a case of hydrocephalus with the patient‚ there is a plan and a way to treat it. Fortunate enough‚ a prognosis can be done.
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central nervous system (CNS) and the peripheral system (PNS). The central nervous system is made up of the brain and the spinal cord as well as a complex network of neurons‚ and is the processing center for the nervous system. It receives and sends information to and from the peripheral nervous system. The brain processes and interprets the sensory information sent from the spinal
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certain diseases. A first example of this promising new research is that scientists have discovered that ephrin and Eph prevent spinal cord neurons from regenerating after injuries. This means that if scientists can coax the neurons that are injured into rewiring themselves‚ it would provide a step in the right direction towards the process of repairing these types of injuries. Currently the scientists are experimenting with mice that were modified so the scientists can identify their motor and sensory
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1) The brain and spinal cord comprise the _____ nervous system. A) autonomic B) peripheral C) central D) efferent E) afferent 2) Voluntary control of skeletal muscles is provided by the _____ nervous system. A) sympathetic B) parasympathetic C) afferent D) somatic E) autonomic 3) The part of the peripheral nervous system that brings information to the central nervous system is A) motor. B) afferent. C) efferent. D) autonomic. E) somatic. 4) The myelin sheaths that surround the axons of some of the
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