The cylindrical structural unit of compact bone that contains a central canal with blood vessels and concentric rings of bone tissue.

A cartilage layer at the ends of long bones where bone lengthening occurs during growth.

A freely movable joint enclosed by a fluid-filled capsule, such as the knee or shoulder.

The smallest functional unit of skeletal muscle fiber where actin and myosin interact to produce contraction.

Neuromuscular Junction (NMJ)

The specialized synapse where a motor neuron communicates with a skeletal muscle fiber using acetylcholine.

A neurotransmitter released at neuromuscular junctions to trigger muscle fiber activation.

A fatty insulating layer around some axons that speeds up nerve impulse conduction.

A rapid change in membrane charge that travels along a neuron as an electrical signal.

The communication junction between two neurons or between a neuron and an effector cell.

The simplest nerve pathway, involving a sensory neuron, an integration center, and a motor neuron that produces a quick automatic response.

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Week#14 study stack

weeks 7-13.

Term	Definition
Osteon	The cylindrical structural unit of compact bone that contains a central canal with blood vessels and concentric rings of bone tissue.
Epiphyseal Plate	A cartilage layer at the ends of long bones where bone lengthening occurs during growth.
Synovial Joint	A freely movable joint enclosed by a fluid-filled capsule, such as the knee or shoulder.
Sarcomere	The smallest functional unit of skeletal muscle fiber where actin and myosin interact to produce contraction.
Neuromuscular Junction (NMJ)	The specialized synapse where a motor neuron communicates with a skeletal muscle fiber using acetylcholine.
Acetylcholine (ACh)	A neurotransmitter released at neuromuscular junctions to trigger muscle fiber activation.
Myelin	A fatty insulating layer around some axons that speeds up nerve impulse conduction.
Action Potential	A rapid change in membrane charge that travels along a neuron as an electrical signal.
Synapse	The communication junction between two neurons or between a neuron and an effector cell.
Reflex Arc	The simplest nerve pathway, involving a sensory neuron, an integration center, and a motor neuron that produces a quick automatic response.

Created by: Sabrina90r

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