biology

Jacques Benoit (biologist)

Jacques Benoit (biologist) is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Jacques Benoit (biologist) rather than just read about it. In short: Jacques Marie Benoit (February 26, 1896 - December 1, 1982) was a French physician, biologist and neuroendocrinologist. He was a professor at the Collège de France and is considered one of the pioneers of neuroendocrinology and photobiology.

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Reference excerpt

Jacques Marie Benoit (February 26, 1896 - December 1, 1982) was a French physician, biologist and neuroendocrinologist. He was a professor at the Collège de France and is considered one of the pioneers of neuroendocrinology and photobiology.

Biography Jacques Benoit was born on February 26, 1896, in Nancy. He was the grandson of Charles Benoit (1815–1898), Dean of the Faculty of Literature in Nancy. Robert Courrier was a fellow student while studying medicine. In 1925 he became a doctor of medicine He received his doctorate in science in 1929. He died on December 1, 1982, in Neuilly-sur-Seine.

Research His research led him to the discovery of fundamental physiological mechanisms in reproductive biology, photobiology and neuroendocrinology:

Publications (selection) Sur les cellules interstitielles du testicule du coq domestique : évolution et structure, Paris, Masson, 1922. Transformation expérimentale du sexe par ovariotomie précoce chez la poule domestique J Benoit - CR Acad. Sci, 1923 L'inversion expérimentale du sexe chez la poule déterminée par l'ablation de l'ovaire gauche, In: Archives de zoologie expérimentale et générale, 1932, 73, S. 1–112, Démonstration de l'inversion expérimentale du sexe chez la poule, In: Revue suisse de zoologie, 1932. L'Ovaire, organe élaborateur des hormones sexuelles femelles. Les hormones sexuelles chez les intersexués, Paris, Hermann, 1935. Le testicule, organe élaborateur de l'hormone sexuelle mâle, Paris, Hermann, 1935. Activation par l'éclairements artificiel des glandes génitales des deux sexes chez le canard domestique au repos sexuel, Lille, impr. Douriez-Bataille, 1936. Thyroïde et croissance testiculaire chez le canard domestique, In: Comptes rendus de la Société de biologie, 1937. Titres et travaux scientifiques, Haguenau, Imprimerie E. Dietz, 1938, Online. with L. Ott: External and internal factors in sexual activity : effect of irradiation with different wave-lengths on the mechanisms of photostimulation of the hypophyisis and on testicular growth in the immature duck. In: Yale Journal of Biology and Medicine 1944. PMID 21434198 Glandes endocrines in Traité de zoologie with Pierre-Paul Grassé and Max Aron, 1950 (1. Edition). Mesure photoélectrique de la pénétration transorbitaire des radiations visibles jusqu'au cerveau, chez le canard domestique, in collaboration with Ivan Assenmacher and Ladislav Tauc, Paris, Gauthier-Villars, 1954. Radiations lumineuses et activité sexuelle du canard. Histoire d'une recherche, In: Revue suisse de zoologie, 64, 1957, S. 577–587. The structural components of the hypothalamo-hypophyseal pathway, with particular reference to photostimulation of the gonads in birds. Annals of the New York Academy of Sciences. 117: 23–32. 1964 PMID 14196645 Leroy P, Benoit J, Vendrely R, Vendrely C. Effects of injections of guinea fowl erythrocytic nuclear substances to genetically known Rhode Island red subjects. Comptes Rendus Hebdomadaires des Séances de l'Académie. 258: 1905–1907.1964 PMID 14139435 Podliachouk L, Boesiger E, Benoit J. On the blood groups of domestic ducks. | Sur les groupes sanguins de canards domestiques. Comptes Rendus Hebdomadaires des Séances de l'Académie. 258: 2435–2437. 1964 PMID 14138912 Rôle de l’œil dans la gonadostimulation par la lumière chez les oiseaux, in: Année biologique, 1973.

References

External links Jacques Benoit Archived 2015-05-27 at the Wayback Machine at Société de Neuroendocrinologie (in French)

Worked examples

Example 1 — a first encounter with Jacques Benoit (biologist)

Start with the simplest possible case. Write down what Jacques Benoit (biologist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Jacques Benoit (biologist) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Jacques Benoit (biologist) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Jacques Benoit (biologist)

In research: Jacques Benoit (biologist) appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Jacques Benoit (biologist) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Jacques Benoit (biologist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1896 births, 1982 deaths, Medical doctors from Nancy, France, so understanding it makes those chapters shorter.
In everyday life: Look for Jacques Benoit (biologist) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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Frequently asked questions

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Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

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Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

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