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physiology
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adenosine triphosphate; physiology William Harvey's theory of the circulation of blood glycolysis knee-jerk reflex Autonomic nervous system steroid hormones Neurohormones are released from neurosecretory nerve cells. These nerve cells are considered true endocrine cells because they produce and secrete hormones that enter the circulation to reach their target cells. molecular view of the cell membrane
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physiology summary
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greylag. Flock of Greylag geese during their winter migration at Bosque del Apache National Refugee, New Mexico. greylag goose (Anser anser)
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Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
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The Lost Colony of Roanoke, North Carolina, where 115 people mysteriously disappeared c. 1590. John White discovers the word Croatoan carved onto a tree upon his return to the deserted Roanoke Colony in 1590
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Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)
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Photos

adenosine triphosphate; physiology
William Harvey's theory of the circulation of blood
glycolysis
knee-jerk reflex
Autonomic nervous system
steroid hormones
Neurohormones are released from neurosecretory nerve cells. These nerve cells are considered true endocrine cells because they produce and secrete hormones that enter the circulation to reach their target cells.
molecular view of the cell membrane
See All Images →

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Key People

David Julius
American physiologist
Helmholtz.
Hermann von Helmholtz
German scientist and philosopher
Claude Bernard, detail of a lithograph by A. Laemlein, 1858
Claude Bernard
French scientist
Ivan Pavlov
Ivan Pavlov
Russian physiologist
Galen of Pergamum
Galen
Greek physician
Lazzaro Spallanzani, detail of an oil painting by an unknown artist; in the collection of the University of Pavia, Italy.
Lazzaro Spallanzani
Italian physiologist
Helmont, Jan Baptista van
Jan Baptista van Helmont
Belgian scientist
Johannes Müller
German physiologist
Nicolas C. Paulescu
Romanian physiologist
Julius von Sachs
German botanist
Albrecht von Haller, detail of an engraving by Ambroise Tardieu after a portrait by Sigmund Freudenberger
Albrecht von Haller
Swiss biologist
Ferid Murad
Ferid Murad
American pharmacologist
Sir Charles Sherrington.
Sir Charles Scott Sherrington
British physiologist
Sir John Eccles.
Sir John Carew Eccles
Australian physiologist
Robert F. Furchgott
American pharmacologist
Robert Edwards and Louise Brown
Robert Edwards
British medical researcher
Starling
Ernest Henry Starling
British physiologist
John Hunter, detail of an oil painting by J. Jackson after Sir Joshua Reynolds; in the National Portrait Gallery, London
John Hunter
British surgeon
Louis Ignarro
American pharmacologist
Dennis Robert Hoagland
American botanist

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greylag. Flock of Greylag geese during their winter migration at Bosque del Apache National Refugee, New Mexico. greylag goose (Anser anser)
Biology Bonanza
Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body