Nervous tissue

Create an educational illustration showing various types of nervous tissue, including neurons, glial cells, and a simplified diagram of the nervous system, with vibrant colors and labels for each cell type.

Nervous Tissue Mastery Quiz

Test your knowledge on nervous tissue with this comprehensive quiz! Designed for students, educators, and anyone interested in neuroscience, this quiz contains 41 questions that cover various aspects of nervous tissue, neurons, and glial cells.

Key features of this quiz:

  • In-depth questions about nerve tissue types
  • Connections between different cell types
  • Statements regarding sensory and motor neurons
41 Questions10 MinutesCreated by LearningNeuron342
Statements regarding interneurons
Are associated with neurons
Creates the minority of neurons in the human CNS
Can connect motor neurons with sensory neurons
Can be multipolar
Statements regarding nerve tissue
Nervous tissue is vascularized
Perikaryon is a central portion of the nerve cell where the nucleus and the perinuclear cytoplasm is contained
Sensory neurons sends impulses to effector organs/tissues
Sensory neurons are afferent
Motor neurons are sending impulses to effector organs/tissues
Statements regarding lemmocytes
Forms myelinated fibers in the PNS
Are also reffered to as Schwann cells
Are present in the PNS
Are responsible for myelination in the CNS
Statements regarding neurons
Multipolar neurons has many axons and one dendrite
Pseudounipolar neurons can be found in the spinal cord
Nissl bodies are found in perikaryon and dendrites
Neurons are metabolic active cells
Statements regarding unmyelinated axons
Myelin sheath wraps each axon
Schwann cells envelop just one axon
Schwann cells envelop multiple axons
Nodes of Ranvier are commonly visible along unmyelinated nerve fibers
Nodes of Ranvier are not visible along myelinated nerve fibers
Connections; cells-place
Satellite cells - CNS
Ependymocytes - central canal
Oligodendrocytes - CNS
Astrocytes - PNS
Statements regarding epineurium
Surrounds the entire nerve
Directly surrounds the external laminae of Schwann cells
Contains blood vessels
Surrounds one fascicle of nerve fibers
Dense connective tissue
The neural crest gives rise to
Melanocytes
C-cells of the thyroid gland
Schwann cells
Medulla of adrenal gland
Mesenchyme of the pharyngeal arches
Adenohypophysis
Parathyroid
Statements regarding nervous tissue
Dendrites contain Nissl bodies
Sensory neurons conduct nerve impulses to the CNS
Synapses are structures responsible for the transmission of nerve impulses from one neurons to another
Nervous tissue is highly vascularized
Neuronal signals are conducted faster in electrical synapses than in chemical
Statements regarding glial cells
Protoplasmic astrocytes are present in the gray matter of the CNS
Schwann cells form myelinated and unmyelinated coverings over axons of the PNS
The functions of glial cells is the metabolic and mechanical support and protection of neurons
Ependymal cells can be ciliated in some regions
Astrocytes belongs to the mononuclear phagocytic system
Astrocytes forms pedicels
Statements regarding neurons
Nissl bodies are found in perikaryon and dendrites
Most neurons have only one dendrite
Neurons are metabolically inactive
Multipolar neurons have many axons and one dendrite
Statements regarding ganglia
Are divided into sensory or autonomic ganglia (in PNS)
Sensory ganglia are surrounded by a connective tissue capsule
Ganglia is composed of both perikaryons and nerve fibers
Consists only of ganglion cells
Multipolar neurons are present in autonomic ganglia
Ganglia are surrounded by endoneurium
Ganglia are composed of nerve fibers only
Statements regarding unmyelinated axons
Schwann cells envelop multiple axons
Oligodendrocytes envelop axons in the PNS
Oligodendrocytes envelop axons in the CNS
Nodes of Ranvier are commonly visible along unmyelinated nerve fibers
Myelin sheath wraps each axon
Schwann cells envelop just one axon in unmyelinated axons
Statements regarding epineurium
Surrounds the whole nerve
Is vascularized
Covers nerves of the CNS
Covers nerves of the PNS
It covers axons and schwann cells
Has a rich network of reticular fibers
Surrounds single nerve fibers
Connections; cells-place of presence
Satellite cells - ganglia
Oligodendrocytes - CNS
Ependomocytes - central canal
Microglial - CNS
Statements regarding interneurons
Can connect motor neurons with sensory neurons
Can be multipolar
Creates the majority of neurons in the human CNS
Is a kind of sensory neurons
Their axons are always myelinated
Neurons
Multipolar neurons consists of perikaryon (cell body), dendrites and axon
They have euchromatic, prominent nucleus
RER and free ribosomes are basophilic granules called Nissl bodies
Bipolar neurons have multiple dendrites and axons
Bipolar neurons have only one dendrite and one axon
Multipolar neurons has many dendrites and one axon
Neurons
Are composed of perikaryon and processes
Contains euchromatic nucleus
Neuron bodies can be found in gray matter
Neurons are metabolically inactive
Multipolar neurons consists of perikaryon, dendrites and axons
Bipolar neurons have multiple dendrites
The majority of neurons in the body are multipolar
Bipolar neurons are found in the retina
Purkinje cells are found in the cerebral cortex
Purkinje cells are found in the cerebellar cortex
Pyramidal cells are found in the cerebral cortex
Pseudounipolar neurons are found in spinal ganglia; of the sensory ganglia
True about glial cells and neurons
Microglia can perform phagocytosis of foreign substances
Astrocytes are part of the blood-brain barrier
Perikaryon does not contain lipofuscin
The nucleus of neurons are spherical, large and euchromatic
Axons are the shortest process of neurons
Oligodendrocytes are found in the CNS; white matter
The myelin sheaths in the PNS are produced by oligodendrocytes
The myelin sheats in the CNS are produced by oligodendrocytes
Perineurium is a dense CT surrounding one fascicle of nerve fibers
Epineurium is an external fibrous coat of nerves
True about nerve tissue
Sensory ganglion consists of both perikaryon and nerve fibers
Pseudounipolar neurons are located within the sensory ganglion
Sensory ganglion is located outside the spinal cord
Sensory neurons conducts nerve impulses to the CNS
Motor neurons are efferent
Sensory neurons are afferent
Nerve tissue is vascularized
Bipolar neurons can be found within the olfactory epithelium
Ependymocytes lines the central canal of the spinal cord
Ependymal cells line ventricles of the brain
Oligodedrocytes
Can be found in the autonomic ganglia
Are myelin producing cells in the CNS
Exists mostly in the white matter of the CNS
Present in the spinal cord and cerebrum
Bipolar cells in the retina
Represents the second neuron of the optic way
Connect rod and cones to ganglion cells
Located in the inner nuclear layer
Cells differentiated from neuroectoderm
Ependymal cells
Schwann cells
Satellite cells
Fibrous astrocytes
Microglia
Peripheral nerves
Nerve fibers of the pheripheral nerves are grouped in bundles
Each nerve fiber is surrounded by perineurium
Each bundle is surrounded by perineurium
They have external fibrous coat; epineurium
Each nerve fiber is surrounded by endoneurium
Sensory ganglia
CT capsule envelops the ganglia
Sensory ganglia contain pseudounipolar neuron bodies surrounded by satellite cells
Perikaryon of neurons cannot be found in sensory ganglia
Are part of the PNS
Have pseudounipolar neurons
Satellite cells surrounds neuronal cell bodies
Contains satellite cells
Nissl bodies
Are found in dendrites
Are composed of RER and polyribosomes
Participates in the synthesis of proteins
Participates in the metabolic process
Are type of inclusions
Structures that are not present in the white matter
Neuron bodies
Dendrites
Shorter axons
Dendrites
Becomes thinner as they subdivide into branches
Most neurons have many dendrites
Is usually a shorter process than axons
Is specialized in conducting impulses from other cells to the perikaryon
Their cytoplasmic composition greatly differs from the perikaryon
Bipolar neurons have only one dendrite and one axon
Multipolar neurons has many dendrites and one axon
Dendrites does not contain Nissl bodies
Dendrites recieves many synapses
Dendrites usually does not subdivide into branches
Structures present in the grey matter
Astrocytes
Neuron bodies
Capillaries
Microglial cells
Dendrites
Initial segment of axons
Myelin sheath
Contains many layers of modified cell membranes
Gaps are called nodes of ranvier
The space/distance between two nodes of ranvier is called internode
Myelin sheaths are not present in the PNS
Statements regarding neurons
Nissl bodies are found in perikaryon and dendrites
Most neurons only have one dendrite
Neurons are metabolic inactive
Is composed of perikaryon and processes
Contains euchromatic nucleus
Multipolar neurons has many axons and one dendrite
Statements regarding ganglia
Are composed of nerve fibers only
Consists only of ganglion cells
Are composed of both perikaryons and nerve fibers
Are divided into sensory and autonomic ganglia
Statements regarding nerve tissue
Dendrites contain Nissl bodies
Sensory neurons conduct nerve impulses to the CNS
Synapses are structures responsible for the transmission of nerve impulses from one neuron to another
Nissl bodies are present in perikaryon and dendrites
Nodes of ranvier are interruptions occurring in the myelin sheath at regular intervals along the length of an axon
Nervous tissue is vascularized
Ependymocytes are present in the ganglia
Neuronal signals are conducted faster in electrical synaspes than in chemical
Pseudounipolar neurons can be found in the olfactory epithelium
Sensory neurons are efferent
Motor neurons are efferent
Sensory neurons are afferent
Statements regarding glial cells
Protoplasmic astrocytes are present in the gray matter of the CNS
Schwann cells form myelinated and unmyelinated covering over axons in the PNS
Their function is the metabolic and mechanical support and protection of neurons
Ependymal cells are macrophages of the CNS
Microglial cells derive from precursor cells in the bone marrow
Ependymal cells can be ciliated in some regions
Protoplasmic astrocytes are persent in the white matter of the CNS
Astrocytes belongs to the mononuclear phagocytic system
Astrocytes form pedicles
Microglial cells are macrophages of the CNS
Astrocytes regulate neuronal activity and metabolism
Astrocytes form pia-glial membrane
Oligodendrocytes are myelin-forming cells in the CNS
Statements regarding neurons
Nissl bodies are found in the perikaryon and dendrites
Most neurons have only one dendrite
Neurons are metabolic inactive cells
Multipolar neurons have many axons and one dendrite
Neurons are composed of perikaryon and processes
Neurons contain euromatic nucleus
Contains euchromatic nucleus
Statements regarding ganglia
Are divided into sensory and autonomic ganglia
Sensory ganglia is surrounded by CT capsule
Are composed of both perikaryons and nerve fibers
Consists only of ganglion cells
Multipolar neurons are present in the autonomic ganglia
Are surrounded by endothelium
Are composed of nerve fibers only
Statements regarding unmyelinated axons
Schwann cells envelop multiple axons
Oligodendrocytes envelop axons in the PNS
Nodes of Ranvier are commonly visible along unmyelinated nerve fibers
Myelin sheath wraps each axon
Nodes of Ranvier are not seen along unmyelinated nerve fibers
Statements regarding epineurium
Surrounds the whole nerve
Are vasculated
Made by dense, irregular CT
Surrounds one fascicle of nerve fibers
Covers nerves of the CNS
Covers nerves of the PNS
Is covering axons and Schwann cells
Has a rich network of reticular fibers
Surrounds a single nerve fiber
Is covering the cerebellum
Directly surrounds the external laminae of the Schwann cells
Is composed of loose CT
Connections; cells-place of presence
Satellite cells - ganglia
Oligodendrocytes - CNS
Ependomocytes - Central canal
Microglial cells - CNS
Oligodendrocytes - PNS
Statements regarding lemmocytes
Present in the PNS
Forms unmyelinated fibers in the PNS
Sheath composed of lemmocytes will always form myelin around the axons
Responsible for the myelination in the PNS
Responsible for the myelination in the CNS
Small nerves does not have lemmocytes
Statements regarding interneurons
Connects motor neurons with sensory neurons
Can be multipolar
Are association neurons
Creates the majority of neurons in the CNS
Are a kind of sensory neurons
Their axons are always myelinated
Creates the minority of neurons in the CNS
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