Nervous Tissue Flashcards
How many kinds of cells are there in nervous tissue and what are they?
Neurons and Neuralgia
What are the functional cells of the nervous tissue??
Neurons
What are the supporting cells of the nervous tissue?
Neurolgia
Explain the function of the neuroglia
Supporting role - they protect and support neurons
What are the 3 parts of a neuron cell?
Cell body
Dendrites
Axon
What is the cell body?
1/3 part of a neuron. Contains the nucleus and nucleolus
What are dendrites?
1/3 part of a neuron. Short branches that extend from the cell body and receive incoming signals
What is another name for an axon?
Nerve fiber
What is an axon?
1/3 of a neuron. Long, thin extension of the cell body that carries outgoing electrical signals to their destination
Name 5 functions of neuroglia
-maintain physical structure of tissues
-Repair tissue framework after injury
-Perform phagocytosis
-Provide nutrients to neurons
-Regulate composition of the interstitial fluid surrounding neurons
Besides cell body, dendrites, and axon, name 3 other parts of a neuron cell
mitochondria
microtubules
microfibrils