Bsip_013272_002, anatomy, Anatomical, limb, Limbs, lower limb, Lower limbs, thigh, Thighs, quadriceps, knee, Knees, leg, Legs, marrow, Medullar, Marrows, normal, No pathology, Without pathology, No pathologies, Without pathologies, Healthy, Harmless, Harmlessly, Nonpathogenic, nervous system, Neural, neurology, Neurological, Neurologies, neuron, Neurones, Neurons, Nerve cell, Neurone, Neuronal, Nerve cells, nerve impulse, interneuron, Interneurons, motor neuron, Motoneuron, Motoneurons, Efferent neuron, Efferent neurons, Motor neurons, sense neuron, Sense neurons, synapse, Synapses, Nerve ending, Nerve endings, reflex, Reflex Arc, stretch reflex, Myotatic reflex, Myotatic reflexes, Stretch reflexes, tendon reflex, T-reflex, T-reflexes, Tendon reflexes, patellar reflex, Knee jerk, Knee jerk reaction, Knee jerk reflex, Patellar reflexes, central nervous ..., CNS, spinal cord, peripheral nervo..., PNS, nerve, Nerves, Efferent Nerve, Motor nerve, Efferent Nerves, Motor nerves, Efferent Nervous..., sensitive nerve, Afferent nerve, Afferent nerves, Sensitive nerves, sensory receptor, Sensory receptors, somesthesis, Body sense, General sensation, Somaesthesis, Somesthetic, Somesthesic, Somaesthetic, General sensibility, Common sensibility, Somesthesia, proprioception, Kinaesthesia, Kinaesthesis, Kinesthesia, Kinesthesis, Kinesthetic, Kinaesthetic, Proprioceptor, Proprioceptors, Proprioceptic, Proprioceptive, muscle spindle, Neuromuscular sp..., Neuromuscular sp..., Muscle spindles, sensorimotor system, Sensori-motor sy..., muscular system, motricity, muscle, Musculature, Musculus, Muscles, Muscular, Musclature, artwork, Art work, Drawing, Drawings, Illustration, Illustrations, Scheme, Schemes, human, Humans, hammer, Hammers, medicine, Medicines, Medical, Medicinal, contraction, Contracted, Shrinking, Constricted, Contractile, Contractions, movement, Motion, Move, On the move, Movements, transmission, Transmitter, Transmit, Transmitted, SENSORIMOTOR SYSTEM, JACOPIN / BSIP,