microbial diseases of the nervous system ppt

... Overview of paraneoplastic syndromes of the nervous system ­ UpToDateOfficial reprint from UpToDate   www.uptodate.com ©2017 UpToDate Overview of paraneoplastic syndromes of the nervous system ... by the nervous system (picture 1) [1,2], or rarely by the nervous system and testes [3]. For unknown reasons, the immune system identifies these antigens as foreign and mounts an immune attack against them. One report suggests that the immune system can mount a T­cell response to a normal protein when it is expressed in a ... tryptophan). (See "Clinical features of the carcinoid syndrome".) ● The synthesis by the tumor of immunoglobulins that react with the peripheral nervous system (eg, a distal, symmetric, and slowly progressive sensorimotor peripheral neuropathy in Waldenstrom's

Ngày tải lên: 10/03/2017, 16:06

... Functionof the Nervous System Bởi: OpenStaxCollege The picture you have in your mind of the nervous system probably includes the brain, the nervous tissue contained within the cranium, and the spinal ... framework of tissue that supports the neurons and their activities The neuron is the more functionally important of the two, in terms of the communicative function of the nervous system To describe the ... organs The Central and Peripheral Nervous Systems The nervous system can be divided into two major regions: the central and peripheral nervous systems The central nervous system (CNS) is the brain

Ngày tải lên: 30/10/2017, 23:13

... Education, Inc.The Synapse toward the synapse away from the synapse Trang 4Copyright © 2010 Pearson Education, Inc.Types of Synapses neuron and the dendrite of another neuron and the soma of another • ... depolarization is of threshold strength and opens the voltage-gated channels Trang 28Copyright © 2010 Pearson Education, Inc. Figure 11.18aAn EPSP is a local depolarization of the postsynaptic ... regulator of cGMP in the brain Trang 44Copyright © 2010 Pearson Education, Inc.Chemical Classes of Neurotransmitters Trang 45Copyright © 2010 Pearson Education, Inc.Functional Classification of Neurotransmitters

Ngày tải lên: 20/01/2020, 06:02

... Pearson Education, Inc.Divisions of the Nervous System • Central nervous system (CNS) • Brain and spinal cord • Integration and command center • Peripheral nervous system (PNS) • Paired spinal and ... to the CNS Somatic nervous system Somatic motor (voluntary) Conducts impulses from the CNS to skeletal muscles Sympathetic division Mobilizes body systems during activity Autonomic nervous system ... Visceral sensory fiber Motor fiber of somatic nervous system Skin Stomach Skeletal muscle Heart Bladder Parasympathetic motor fiber of ANS Sympathetic motor fiber of ANS Trang 9Copyright © 2010 Pearson

Ngày tải lên: 20/01/2020, 21:13

... channels reduces the negative membrane potential slightly The permeabilities of Na + and K + across the membrane are different. The concentrations of Na + and K + on each side of the membrane are ... Education, Inc.Role of the Sodium-Potassium Pump neuron is restored by the thousands of sodium-potassium pumps Trang 37Copyright © 2010 Pearson Education, Inc.Propagation of an Action Potential ... potential Active area (site of initial depolarization) (c) Decay of membrane potential with distance: Because current is lost through the “leaky” plasma membrane, the voltage declines Consequently,

Ngày tải lên: 23/01/2020, 18:00

... between the MHDI of the federative units in 2010 and the standardized mortality rate of DCS and IHD in the year 2019, indicating that the higher the number of deaths, the lower the MHDI of the federative ... the MHDI of the federative units in 1991 and 2000 and the standardized mortality rate of DCS and IHD in the year 2019, indicating that the higher the number of deaths, the lower the MHDI of the ... Objectives: To analyze the temporal progression of mortality rates of diseases of the circulatory system and ischemic heart diseases from 1980 to 2019 and the association of the rates with the Municipal

Ngày tải lên: 31/10/2022, 03:38

... cue, and the ability to interpret this cue in the form of a receptor molecule, the last piece of the system is the cell’s ability to act based on the information received In the case of axon pathfinding, ... Molecule T-cadherin in the Development of the Nervous System A dissertation submitted in partial satisfaction of the requirements for the degree Professor Barbara Ranscht, Chair Professor Nicholas ... pathfinding, the ultimate output is a change in movement of the growth cone The growth cone is the sensory organ at the leading tip of the axon The growth cone expresses a compliment of receptor

Ngày tải lên: 02/10/2024, 01:39

... abscess of liver Note the elevated right diaphragm with overlying reaction in the lung field. Trang 7An abscess in the left lobe of the liver may show a crescentic deformity of the lesser curve of the ... fever, often with a rash (erythema of Milan), occur about 9 days after starting therapy This is part of the Herxheimer reaction The mechanism of the jaundice is unclear References 1 Case Records of ... ulcers Amoebaeare carried to the liver in the portal venous system Occa-sionally, they pass through the hepatic sinusoids into thesystemic circulation with the production of abscesses inlungs and

Ngày tải lên: 10/08/2014, 15:20

... Trang 9The Nervous system comprises of the brain, the spinalcord, the nerves emanating from them and their innervations of muscle fibres The human race is superior and special to the other living ... beings due to the unique anatomy andphysiology of human nervous system Especially the cortex of the brain (the grey layer of the brain surface) is highlyevolved and complex Other organs of the human ... mentioned earlier, the Nervous System comprises ofthe brain, the spinal cord, the nerves emanating from themand their innervations of muscle fibres (i.e peripheral nervoussystem) The brain immediately

Ngày tải lên: 12/12/2016, 09:55

... Trang 9The Nervous system comprises of the brain, the spinalcord, the nerves emanating from them and their innervations of muscle fibres The human race is superior and special to the other living ... beings due to the unique anatomy andphysiology of human nervous system Especially the cortex of the brain (the grey layer of the brain surface) is highlyevolved and complex Other organs of the human ... mentioned earlier, the Nervous System comprises ofthe brain, the spinal cord, the nerves emanating from themand their innervations of muscle fibres (i.e peripheral nervoussystem) The brain immediately

Ngày tải lên: 01/04/2017, 10:41

... Fuchs5 Abstract HIV-1 invades the central nervous system (CNS) in the context of acute infection, persists thereafter in the absence of treatment, and leads to chronic intrathecal immunoactivation ... neopterin, in particular One of these again parallels considerations of systemic HIV disease and relates to the renewed appreciation of the importance of immune activation in systemic disease pathogenesis ... and astrocytes of primates but not in other ani-mal species In these cells neopterin is biosynthesised at the expense of 5,6,7,8-tetrahydrobiopterin (BH4), the necessary cofactor of amino acid

Ngày tải lên: 10/08/2014, 05:21

... of the ampulla of Vater, 644 Cystic tumours of the pancreas, 644 Endocrine tumours of the pancreas, 644 Benign lesions of the gallbladder, 647 Carcinoma of the gallbladder, 647 Other tumours, ... Anatomy of the biliary tract, 3 Development of the liver and bile ducts, 4 Anatomical abnormalities of the liver, 4 Sinusoidal membrane traffic, 16 Bile duct epithelial cells, 16 2 Assessment of Liver ... cyst, 591 Other cysts, 591 Congenital anomalies of the biliary tract, 592 Absence of the gallbladder, 592 Congenital adhesions to the gallbladder, 594 Floating gallbladder and torsion of the gallbladder,

Ngày tải lên: 10/08/2014, 15:20

... palms) The hands are warm and the palms bright red in colour,especially the hypothenar and thenar eminences andpulps of the fingers (fig 6.12) Islets of erythema may befound at the bases of the fingers ... members ofthe complement cascade Systemic toxaemia of intestinalorigin results in deterioration of the scavenger functions of the reticulo-endothelial system and also to renaldamage (fig 6.9) [6] These ... Lipid storage diseases The lipidoses are disorders in which abnormal amounts of lipids are stored in the cells of the reticulo-endothelial system They may be classified according to the lipid stored:

Ngày tải lên: 10/08/2014, 15:20

... veins of the caval system Deviation of blood into these chan-nels leads to varicosities in the submucous layer of the lower end of the oesophagus and fundus of the stomach (b) At the anus, the ... and the splenic vein just posterior to the head of the pancreas at about the level of the second lumbar vertebra It extends slightly to the right of the mid-line for a distance of 5.5–8 cm to the ... attempting to bypass the block and return blood towards the liver These enter the portal vein in the porta hepatis beyond the block They include theveins at the hilum, venae comitantes of the portal veinand

Ngày tải lên: 10/08/2014, 15:20

... on chromosome 2. The structure of the gene is complex (fig. 12.4) [5, 11, 36]. Exons 2–5 at the 3¢ end are constant components of all isoforms of UGT. To complete the gene, one of several first ... cholangioles or canals of Hering (fig 13.3) These are found largely in the portal zones of the liver The ductule passes into the interlobular... the biliary canaliculus is the most important ... This is done by the paradoxical pulse, the venous pulse, the calcified pericardium, the echocardiogram, the electrocardio- gram and by cardiac catheterization. Treatment is that of the cardiac condition.

Ngày tải lên: 10/08/2014, 15:20

... passage from the mother to the neonate The infection is usually not via the umbilical vein, but from the mother at the time of birth and during close contact afterwards The chance of transmission ... serum IgG anti-HDV is found There may be a window period between thedisappearance of one and the detection of the other Loss of IgM anti-HDV confirms the resolution of HDV tion, whereas persistence ... satelliteviruses of plants which cannot replicate without anotherspecific virus The interaction between the two viruses is very complex Synthesis of HDV may depress theappearance of hepatitis B

Ngày tải lên: 10/08/2014, 15:20

... related to the severity of theliver disease [72] The extent of the nutritional defectdepends on the type of alcoholic, whether of low socio-economic status where protein-calorie malnutritionoften ... decreasing with the reduction in the content of active ingredients The oestrogen is the important agent, although the progestin may augment the effect The drugs interact with the biliary apparatus ... years, should be warned of the possibility of adenoma development If adenoma is diagnosed, the woman must be warned of the possibility of rupture and the significance of any unexplained right

Ngày tải lên: 10/08/2014, 15:20

... of the ventral wall of the primitive foregut just cranial to the yolk sac Two solid buds of cells form the right and left lobes of the liver while the original elon-gated diverticulum forms the ... if the bilirubin is greater than twice the upper limit of normal be-cause of failure of efficient secretion of contrast by the liver Oral cholecystography is of value in showing lesions of the ... develop as an outgrowth from the hepatic diverticu-lum of the foregut This type is often found with other anomalies of the biliary passages Type II is the failure of the gallbladder to vacuolize

Ngày tải lên: 10/08/2014, 15:20

... adjacent to the tumour [36]. Spread of the tumour Direct extension in the wall of the bile duct and infiltra-tion through the head of the pancreas is common with the acinar although not with the ampullary ... depends on the clinical state of the patient and the staging of the tumour derived from radiological imaging Difficulties in removal arise because of the inaccessibility of the pancreas on the pos- ... obstructed in the right lobeand the left hepatic system obstructed at the hilum If non-surgical drainage is to be done, these appearances favour drainage of theleft- rather than the right-sided system

Ngày tải lên: 10/08/2014, 15:20

... by special- ized cells in the wall of the afferent ar- teriole of the renal glomerulus. These cells belong to the juxtaglomerular ap- paratus of the nephron, the site of con- tact between afferent ... membranous sacs of the sarcoplasmic reticulum (SR); c) Ca 2+ bound to the inside of the plas- malemma. The plasmalemma of cardio- myocytes extends into the cell interior in the form of tubular invaginations (transverse ... conditions of license. Overview of Modes of Action (A) 1. The pumping capacity of the heart is regulated by sympathetic and parasym- pathetic nerves (pp. 84, 105). Drugs ca- pable of interfering...

Ngày tải lên: 26/01/2014, 19:20