Sir Charles Scott Sherrington
Coined the term 'Synapse' (1897); formulated the Integrative Action of the Nervous System and Sherrington's Law of Reciprocal Innervation.
Nobel Prize Recognition
Nobel Prize in Physiology or Medicine (1932) for discoveries regarding the functions of neurons
The brain is an enchanted loom where millions of flashing shuttles weave a dissolving pattern, always a meaningful pattern though never an abiding one.
Curiosity & Historical Discovery Anecdote
The serendipity, obstacles, and fascinating human journey behind the discovery.
Sherrington coined virtually the entire core vocabulary of modern neurophysiology: not only 'synapse' (from the Greek 'to clasp together', suggested to him by classicist Arthur Woollgar Verrall), but also 'proprioception', 'nociception', 'interception', 'exteroception', 'motor unit', and 'reciprocal innervation'.
High-Yield Exam Focus (CSIR-NET, GATE, USMLE)
Core mechanisms, experimental controls, and recurring competitive exam questions.
Sherrington's Law of Reciprocal Innervation: When a stretch or motor reflex excites an agonist flexor muscle, the motoneurons supplying the antagonist extensor muscle are simultaneously and reciprocally inhibited via inhibitory glycinergic interneurons (e.g., Ia inhibitory interneuron). Spatial vs Temporal Summation: Integration of multiple subthreshold postsynaptic potentials arriving simultaneously at different synapses (spatial) vs rapidly repeated inputs at a single synapse (temporal).
Landmark Scientific Breakthroughs & Molecular Mechanisms
Step-by-step scientific explanations of the discoveries that defined modern biology.
Discovery of the Synapse and Synaptic Integration
Experimental Logic & Mechanism:
Measured reflex conduction velocities across multisynaptic spinal reflex arcs in decerebrate cats, demonstrating that reflex latency is substantially slower than calculated from axonal conduction velocities alone. Deduced that the delay and unidirectional irreversibility occur at specialized functional junctions between neurons, which he named 'synapses'.
Formulation of the Law of Reciprocal Innervation and Proprioception
Experimental Logic & Mechanism:
Demonstrated that activation of motor pathways coordinating muscular contraction is intrinsically paired with coordinated central inhibition of antagonist motor pools. Identified muscle spindles and tendon organs as specialized internal sensory organs mediating 'proprioception'.
Biographical Journey & Intellectual Legacy
Chronological chronicle of early education, mentorship, research trials, and achievements.
Charles Scott Sherrington was born in Islington, London. Educated at Cambridge, he studied physiology under Michael Foster and John Newport Langley, conducting pathological research on cholera in Spain and Italy with Rudolf Virchow and Robert Koch.
In 1895, Sherrington was appointed Holt Professor of Physiology at the University of Liverpool. Over eighteen years, he mapped motor cortex representations in primates and unraveled spinal reflex arcs.
In 1904, Sherrington delivered the prestigious Silliman Memorial Lectures at Yale University, published in 1906 as 'The Integrative Action of the Nervous System', a milestone comparable to Newton's Principia for the life sciences.
In 1913, he was elected Waynflete Professor of Physiology at Oxford University, serving as President of the Royal Society from 1920 to 1925. In 1932, he shared the Nobel Prize in Physiology or Medicine with Edgar Adrian.
A distinguished poet and philosopher of mind ('Man on His Nature'), Sherrington lived to age 94, passing away in Eastbourne in 1952.
Landmark Publications & Primary Literature
Original monographs and communications that announced the breakthroughs to the world.
Sherrington, C. S. (1906). The Integrative Action of the Nervous System. Yale University Press, New Haven.
Significance: The monumental masterwork that established modern neurophysiology, reflexes, and synaptic integration.
Explore Related Lecture Notes on B10logy
Direct access to comprehensive textbook notes where these discoveries are analyzed in depth.