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The withdrawal reflex

The withdrawal reflex

The withdrawal reflex is a spinal reflex that ensures moving away from potentially damaging stimuli.

Biologija

Raktiniai žodžiai

Skausmo refleksas, Skausmas, Refleksas, Refleksinis lankas, Besąlygiškas refleksas, Sąlyginis refleksas, Skausmo receptorius, Motoneuron, Receptorius, Stimulas, signalas, Nugaros smegenys, Nugaros smegenų refleksas, juda pluošto, sensoriniai pluoštai, skeletinis raumuo, interneuronas, Apsauga, Raumenų skaidulas, Variklio galinė plokštelė, odos, žmogus, biologija

Susiję elementai

Vaizdai

Susiję elementai

Anatomy of the spinal cord

The spinal cord is the part of the central nervous system running inside the spinal column from which spinal nerves branch out.

Muscles of the upper arm

The arms are moved by flexor and extensor muscles.

Patellar reflex

The reflex triggered by the stretching of the thigh extensor muscle is the patellar reflex.

Adrenaline (advanced)

Adrenaline, also known as epinephrine, is a hormone produced in our body in stressful situations and plays an important role in the fight-or-flight response.

Layers of the skin; cutaneous senses

The skin is the soft outer covering of our body, its three layers are the epidermis, the dermis and the hypodermis.

Muscle tissues

The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.

Nervous system

The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.

Neurons, nervous tissue

Neurons are cells specialised for transmitting electric signals.

Structure of skeletal muscles

This animation demonstrates the fine molecular structure and mechanism of muscles.

Synaptic transmission

Neurons transmit electrical signals via chemical and electrical synapses.

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