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Outline of the human nervous system

The following diagram is provided as an overview of and topical guide to the human nervous system:

Anatomy
The following list of human anatomical structures is based on the Terminologia Anatomica, the international standard for anatomical nomenclature. While the order is standardized, the hierarchical relationships in the TA are somewhat vague, and thus are open to interpretation. Central nervous system • General terms • MeningesSpinal cord • Gray columns • White substance • BrainBrainstemCerebellumDiencephalonTelencephalonCerebral hemisphere Peripheral nervous system Cranial nervesOlfactory nerveOptic nerveOculomotor nerveTrochlear nerveTrigeminal nerve • Sensory root • Trigeminal ganglionOphthalmic nerveLacrimal nerveFrontal nerveSupra-orbital nerveSupratrochlear nerveNasociliary nervePosterior ethmoidal nerveAnterior ethmoidal nerveExternal nasal nerveInfratrochlear nerveMaxillary nerveNasopalatine nervePharyngeal nerveGreater palatine nerveLesser palatine nervesSuperior alveolar nervesZygomatic nerveInfra-orbital nerveMandibular nerveMasseteric nerveDeep temporal nervesBuccal nerveAuriculotemporal nerveLingual nerveChorda tympaniSublingual nerveInferior alveolar nerveNerve to mylohyoidMental nerveAbducent nerveFacial nervePosterior auricular nerveIntermediate nerveGreater petrosal nerveChorda tympani (also in trigeminal? redundancy?) • Vestibulocochlear nerveVestibular nerveCochlear nerveGlossopharyngeal nerveTympanic nerveTympanic plexusLesser petrosal nerveVagus nerveSuperior laryngeal nerveRecurrent laryngeal nerveAccessory nerveHypoglossal nerveSpinal nerves • Cervical nerves • Suboccipital nerveGreater occipital nerveThird occipital nerveCervical plexusAnsa cervicalisLesser occipital nerveGreat auricular nerveTransverse cervical nerveSupraclavicular nervesPhrenic nerveBrachial plexus • Supraclavicular part • Dorsal scapular nerveLong thoracic nerveSubclavian nerveSuprascapular nerveSubscapular nervesLower subscapular nerveUpper subscapular nerveThoracodorsal nerveMedial pectoral nerveLateral pectoral nerve • Infraclavicular part • Musculocutaneous nerveMedial cutaneous nerve of armMedial cutaneous nerve of forearmMedian nerveUlnar nerveRadial nerveAxillary nerve • Thoracic nerves • Lumbar nerves • Medial clunial nerves • Sacral nerves and coccygeal nerve • Lumbar plexusIliohypogastric nerveIlio-inguinal nerveAnterior labial nervesAnterior scrotal nervesGenitofemoral nerveLateral cutaneous nerve of thighObturator nerveAccessory obturator nerveFemoral nerveSaphenous nerveMedial cutaneous nerve of legLumbosacral trunkSacral plexusNerve to obturator internusNerve to piriformisNerve to quadratus femorisSuperior gluteal nerveInferior gluteal nervePosterior cutaneous nerve of thigh • Inferior clunial nerves • Perforating cutaneous nervePudendal nerveInferior anal nervesPerineal nervesPosterior labial nervesPosterior scrotal nervesDorsal nerve of clitorisDorsal nerve of penisCoccygeal nerveAnococcygeal nerveSciatic nerveCommon fibular nerveLateral sural cutaneous nerveSuperficial fibular nerveDeep fibular nerveTibial nerveInterosseous nerve of legMedial sural cutaneous nerveSural nerveMedial plantar nerveLateral plantar nerve Autonomic nervous system • Sympathetic part • Sympathetic trunkRami communicantesSuperior cervical ganglionMiddle cervical ganglionCervicothoracic ganglion (Stellate - should prob. include inferior cerv. ganglion) • Thoracic ganglia • Greater splanchnic nerveLesser splanchnic nerveLeast splanchnic nerve • Lumbar ganglia • Lumbar splanchnic nerves • Sacral ganglia • Sacral splanchnic nervesGanglion impar • Parasympathetic part • Cranial part • Ciliary ganglionShort ciliary nervesPterygopalatine ganglionNerve of pterygoid canalSubmandibular ganglionSublingual ganglionOtic ganglion • Pelvic part • Pelvic ganglia • Parasympathetic root of pelvic ganglia = Pelvic splanchnic nerves • Peripheral autonomic plexuses and ganglia • Craniocervical part • Internal carotid plexus • Thoracic part • Cardiac plexusEsophageal plexusPulmonary plexus • Abdominal part • Celiac plexusAorticorenal gangliaSuperior mesenteric plexusInferior mesenteric plexus • Pelvic part • Superior hypogastric plexusInferior hypogastric plexus ==Structures==
Structures
Central nervous system The central nervous system (CNS) is the largest part of the nervous system and includes the brain and spinal cord. • Spinal cord Brain Brain – center of the nervous system. • Outline of the human brainList of regions of the human brain Principal regions of the vertebrate brain: Peripheral nervous system Peripheral nervous system (PNS) – nervous system structures that do not lie within the CNS. Sensory system A sensory system is a part of the nervous system responsible for processing sensory information. A sensory system consists of sensory receptors, neural pathways, and parts of the brain involved in sensory perception. • List of sensory systemsSensory neuronPerceptionVisual systemAuditory systemSomatosensory systemVestibular systemOlfactory systemTastePain Components of the nervous system NeuronInterneuronGanglion (PNS) vs Nucleus (neuroanatomy) (CNS) except basal ganglia (CNS) • Nerve (PNS) vs Tract (neuroanatomy) (CNS) • White matter (more myelinated) vs Grey matter Glial cells Glial cells, commonly called neuroglia or glia, are supportive cells that maintain homeostasis, form myelin, and provide support and protection for the brain's neurons. • MicrogliaAstrocyteOligodendrocyte (CNS) vs Schwann cell (PNS) Neuron A neuron (also known as a neurone or nerve cell) is an excitable cell in the nervous system that processes and transmits information by electrochemical signaling. Neurons are the core components of the brain, spinal cord, and peripheral nerves. • SomaAxonMyelinDendriteDendritic spine Action potential An action potential (or nerve impulse) is a transient alteration of the transmembrane voltage (or membrane potential) across the membrane in an excitable cell generated by the activity of voltage-gated ion channels embedded in the membrane. The best known action potentials are pulse-like waves that travel along the axons of neurons. • Membrane potentialIon channelVoltage-gated ion channels Synapse Synapses are specialized junctions through which neurons signal to each other and to non-neuronal cells such as those in muscles or glands. • Chemical synapseGap junctionSynaptic plasticityLong-term potentiation Neurotransmitter Neurotransmitter – endogenous chemical that relays, amplifies, and modulates signals between neurons and other cells to which they are synaptically connected. • List of neurotransmittersNeuromodulatorMonoamine neurotransmitterNeuropeptide Neurotransmitter receptor Neurotransmitter receptor – membrane receptor that can be activated by a neurotransmitter. Interactions between neurotransmitters and neurotransmitter receptors can evoke a wide range of differing responses from the cell receiving the signal, including excitation, inhibition, and various types of modulation. == Evolution of the human nervous system ==
Evolution of the human nervous system
Evolution of nervous systemsEvolution of human intelligenceEvolution of the human brainPaleoneurology ==Branches of science that study the human nervous system ==
Branches of science that study the human nervous system
NeuroscienceNeurologyPaleoneurology:Category:Receptors ==Biological neural network==
Biological neural network
Biological neural network – population of physically interconnected neurons that act cooperatively to form a functional circuit. Computer scientists and engineers also study artificial neural networks formed by simplified mathematical abstractions of the signaling properties of biological neurons. • Central pattern generatorReflex arcNeural oscillations ==Neural development==
Neural development
Neural development – comprises the processes that generate, shape, and reshape the nervous system, from the earliest stages of embryogenesis to the final years of life. • Neural plasticityNeurogenesisNeuroregeneration Prenatal development of the nervous system Neurogenesis • General neural developmentNeurulationNeurulaNotochordNeuroectodermNeural plateNeural foldNeural grooveNeuropoiesisNeural crestCranial neural crestCardiac neural crest complexTruncal neural crestNeural tubeRostral neuroporeNeuromere/RhombomereCephalic flexurePontine flexureAlar plate • sensory • Basal plate • motor • GlioblastNeuroblastGerminal matrix Eye development Eye developmentNeural tube: Optic vesicleOptic stalkOptic cupSurface ectoderm: Lens placode Auditory development Otic placodeOtic pitOtic vesicle ==Motor control==
Motor control
Motor control – comprises the activities carried out by the nervous system that organize the musculoskeletal system to create coordinated movements and skilled actions. • Motor systemMotor vortexcerebrumBasal gangliaReflex ==Learning and memory==
Learning and memory
Memory – organism's ability to store, retain, and recall information. "Learning" means acquiring new knowledge, behaviors, skills, values, preferences or understanding, and may involve synthesizing different types of information. • AmnesiaSynaptic plasticityClassical conditioningOperant conditioningImprinting (psychology) ==Cognition==
Cognition
Cognition – activities involved in processing information, applying knowledge, and changing preferences. Cognition, or cognitive processes, can be natural or artificial, conscious or unconscious. • MindConsciousnessNeural correlates of consciousnessAttentionEmotionIntelligenceDecision-makingExecutive function ==Arousal==
Arousal
Arousal – physiological and psychological state of being awake or reactive to stimuli. • SleepAnesthesiaComaReticular formation == See also ==
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