Nervous and Endocrine System Flashcards
What is a neuron made of?
Dendrite, cell body, axon
What neurons are used for association within the system?
Interneurons
Whats a ganglia?
An aggregation of cell bodies
What makes up the brain?
Fused ganglia of segments 1-3
What’s the name of the fused 4-6 CNS ganglia?
Suboesophageal Ganglion
What are the the ganglia in the Thorax and abdomen called?
Ventral Nerve Cord
Where is the ventral nerve cord?
The Perineural Sinus
How is the ventral nerve cord Organized?
Segmentally, muscles of a segment are controlled by nerves from the same segment ganglion
How far can an interneuron travel?
Across the entire length of the CNS
What is the function of the protocerebrum?
Receives nerve impulses from the compound eyes, contains mushroom bodies
What is the function of mushroom bodies?
Controls learning and complex behaviour, receives interneurons from deutocerebrum (Antennea)
What receives antennae impulses?
Deutocerebrum
What’s the function of the Tritocerebrum?
Receives nerves from the labrum, subesophageal ganglion (mouthparts) and frontal ganglion (Pharynx and swallowing)
What makes up the peripheral nervous system?
Sensory and Motor Neurons, receives stimuli from the environment through sensory organs
What is the resting potential of a neuron, and what is it called at this resting potential?
-70 mV and Polarized