NERVOUS SYSTEM - SYNOPSIS Flashcards
_________ is the study of the structure & organization of the nervous system.
Neuroanatomy
The basic functional unit of the Nervous system is the _______ (Nerve cell).
Neuron
The human brain constitutes about __% of the total body weight.
2
The cerebellum has a central part called the ______ with 2 lateral lobes attached to it
vermis
The nervous tissue develops from e_____ (the neural tube & neural crest).
ctoderm
The nervous tissue consists of _____ & _____ cells.
neurons & glial
__________ constitute the genetic, anatomic, trophic and functional units of the nervous system (known as the neuron doctrine).
- have lost capacity to undergo cell division.
- have capacity to receive impulses from receptor organs or other neurones.
- have the capacity to transmit impulses to other neurons or effector organs.
- consists of a cell body & its processes, dendrites & a single axon
Neurons
Classification of neuron is according to:
- Number of ________: (unipolar, bipolar or multipolar);
- ____ length: (golgi type I, golgi type II) neurones;
- _____: (motor, sensory & interneurons); &
- N__(cholinergic neurones)
- processes
- Axonal
- Function
- Neurotransmitte
Classification of neuron is according to:
- Number of processes: (unipolar, bipolar or multipolar);
- Axonal length: (golgi type I, golgi type II) neurones;
- Function: (motor, sensory & interneurons); &
- Neurotransmitter: (cholinergic neurones)
_______ are non-neuronal cells (specialized connective tissue) of the CNS & PNS.
Neuroglia