Nervous Flashcards
(15 cards)
Nissil bodies are found in :
Nerve cell bodies
Nissil bodies are
Basophilic, Rough endoplasmic reticulum
Axon hillock found between :
Nerve cell & Axon
Axon hillock contains :
Neurofilamments, Neurotubules, Mitochondria.
Myelin sheath stain :
Osmic acid
Nerve fibers possess :
Axon
Immediately external to the myelin sheath of a nerve fiber is :
Schwann cell cytoplasm
Immediately internal to the myelin sheath of a nerve fiber is :
Axolemma
Synapse are classified into :
Axo-dendritic, Axo-somatic, Axo-axonic
Neurons possess :
Nerve cell bodies, Axon, Dendrites
Nerve cell body =
Perikaryon
Neurons are classified according to number of processes to :
Pseudo-unipolar (Spinal sensory ganglia),
Bi-polar (in special sense organs),
Multi-polar (in brain & spinal cord).
Neurons are classified according to size to :
Golgi type I (has long axon),
Golgi type II (has very short axon).
Neurons are classified according to function to :
Motor (in cells in spinal cord),
Sensory (in Sensory spinal ganglia),
Interneurons (in spinal cord in reflex arc)
Neurons with numerous dendrites & a single axon are structurally classified as :
Multipolar neurons