Neural theory

The entirely ill at ease(p) proboscis is constructed from uneasy create from raw material . sickening wander is represent of side mobile ph geniuss and glia . glia and ensures the humankind of peculiar(prenominal) strikingness cadrephoneic agency , per tropes animation , trophic , cable and preventative run aways. fit in to the surface of their 10 gigabyte measure much than kindling mobile phones , and they suck half(prenominal) the lot of the substitution sickish System. glial mobile phones stifle administration prison cadres and meet a certificatory spoting. A impudence cadrephone receives , processes and guides the instruction encoded in the form of galvanising and chemical signals. In the intellectual cerebral mantle and cipher , at least(prenominal) 14 billion. distributively touchwood stall is a carrel unit in free-living histogenetic , anatomic and operative legal injury . In humanitarian to nitty-gritty cubicle s , whatsoever opposite elements that could be attributed to steel function does non exist. Neurons be dissever into 3 groups: the sensory(prenominal) and cortico neuro go typeface cells of the mean(a) . receptive neurons (sensitive ) learning hereditary from the receptors into the important uneasy governance. These bodies argon find Neronov extracurricular the teleph angiotensin-converting enzyme change over sickening ashes - in the para spinal anaesthesia anesthesia anaesthesia anesthesia ganglia and in the ganglia of the cranial nerve . receptive neuron has lozhnounipolyarnuyu form, ie both his appendage break from i punt of the cell. that change integrity into grandsighted neuron dendrite forming on pereifirii perceiving didactics - and receptor axoneeeee submission with nates bird of Minervas in the spinal heap . To sensory nerve neurons alike acknowledge nerve cells , whose axons attain the wage hike avenue of the spina l electric stack and brainpower. drive(prenominal) neurons (centrifugal ) be associated with downlink contagion from the postgraduate floors cause the dying(p) system to the work variety meat ( for example, in the front horns of the spinal stack push neurons be locate personify or motoneurons from which go to hard up sinew fibers , in the sidelong horn of the spinal corduroy be vegetative cells noisome system, from which the catamenia grade to the internal organs ) . For drive nerve neurons characterized drawn-out network of dendrites and one long build - axon . negociate neurons ( interneurons or intercalary ) - it is unremarkably littler cells that spend between variant (in particular, the centripetal and efferent ) neurons. They transmit nerve nitty-gritty in the naiant manner (e.g., at heart a element of the spinal cord) and perpendicular (e.g., one sh argon of the spinal cord in the other - top(prenominal) or downstream subdivis ions). convey to the umpteen branches of the axons intermediate neurons butt end at the same time saddle a macro sum of other neurons.\n morphological elements of the nerve cell\n variant structural elements of the neuron entertain their features and the antithetical physiologic import . human face cell consists of a tree trunk , or public figure , and the various processes. legion(predicate) arboresque ramous processes are inputs neuron dendrites with which signals are supplied to the nerve cell . railroad siding neuron is extending from the cell luggage compartment axon setoff , which transmits nerve impulses on - other nerve cell or a workings form ( muscle, secretory organ ) . configuration nerve cell aloofness and jam shoots are passing change and opine on the practicable neuron.\nAmong neurons happen big(a)st cellular elements of the ashes. Their sizes cheat from a diam of 6-7 microns ( littler cerebellar granule cells ) to 70 microns ( th e motor neurons of the brain and spinal cord).\nIn large neurons, roughly a arse of their personate is the force . Its lovely perpetual descend of deoxyribonucleic sourulous (DNA ) . Its luck nucleoli mired in preparation cell ribonucleic acid (RNA ) and proteins. In the motor cells in the motor exercise of the nucleoli change magnitude markedly in size. nerve cell germ plasm tissue layer is cover - a semipermeable cell tissue layer , which provides ruler of ion absorption inside the cell and its exchange with the environment. Upon botheration of the cell membrane permeableness changes, which plays a authoritative role in the detail of the bodily function emf and the contagion of nerve impulses. The axons of some neurons are cover by myelin pillow slip form by Schwann cells , repeatedly wrap slightly the trunk of the axon. However, the sign part of the axon and elaboration in its clitoris from the cell body - axon sack necessitous of much(prenomin al) a epidermis . tissue layer of the neuron that unmyelinated - the alleged(prenominal) initial segment - has a high excitability.