Module 3 (Nerves and Muscle) Overview Flashcards
Atomical organisation
Central Nervous System (CNS)
Peripheral Nervous System (PNS)
Types of cells
Neurons
Glia
Forms of Neurons
Multipolar
Bipolar
Unipolar
Anaxonic
Forms of glia
Astrocystes Microglia Ependymal cells Oligodendrocytes Schwann cells
Types of information
Somatic
Autonomic (sympathetic and parasympathetic)
Spinal cavity components
Meninges sac Spinal cord Cerebral spinal fluid Conus medularis Filum terminale
Peripheral nerve coverings
Epineurium
Perineurium
Endoneurium
Spinal Nerves
Cervical (8) Thoracic (12) Lumbar (5) Sacral (5) Coccygeal (1)
Spinal Cord Components in PNS
Spinal nerve
Dorsal root ganglion
Dorsal nerve root
Ventral nerve root
Spinal Cord Components in CNS
Dorsal horn Ventral horn Central canal White matter Grey matter Sulcus Fissures
Meninges
Dura mater
Arachnoid mater
Pia mater
White Mater tracts
Commissural
Projection
Association
Dural folds
Flax cerebri
Flax cerebelli
Tentorium cerebelli
Reflexes
Simple stretch
Withdrawl
Ventricles
Lateral ventricles
3rd ventricle
Cerebral Aqueduct
4th ventricle
Somatic Receptors
Mechanoreceptors
Nioceptors
Thermoreceptors
Chemoreceptors
Lobes
Frontal
Pariental
Occipital
Temporal
Receptive Field depends on:
Size
Density
Sulci
Central sulus
Pariental-occiptal sulcus
Lateral sulcus
Transverse fissure
Brain components
Cerebral cortex Diencephalon Cerebellum Brainstem (midbrain, pons and medullar oblongata) Corpus callosum Basal nuclei/ganglion
Information flow
Afferent (into the brain = sensory)
Efferent (out of the brain = motor)