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Jaqueline Zuniga Mac
Anatomy Week 6 Study Stack 1
| Question | Answer |
|---|---|
| What is the myelin sheath? | A fatty layer that insulates axons and speeds up nerve impulse transmission. |
| Define reflex arc. | The simplest nerve pathway responsible for reflexes. |
| Define cochlea | A spiral-shaped organ in the inner ear responsible for hearing |
| : What are olfactory receptors? | Sensory cells in the nasal cavity that detect smells. |
| Define hematopoiesis. | The formation of blood cells, mainly in red bone marrow. |
| What is sarcomere? | The contractile unit of a muscle fiber. |
| Define neuromuscular junction. | The site where a motor neuron communicates with a muscle fiber. |
| What is acetylcholine? | A neurotransmitter involved in muscle contraction. |
| What is a neuron? | A nerve cell that transmits electrical impulses. |
| Define synapse. | The junction between two neurons or a neuron and a muscle. |
| What is a synovial joint? | A freely movable joint with a fluid-filled cavity. |
| What is a buffer? | A substance that helps maintain a stable pH in a solution. |