Heart
The heart is a hollow muscle that pumps blood throughout the blood vessels by repeated, rhythmic contractions. It is found in all animals with a circulatory system (including all vertebrates).
Read more about Heart.
Some articles on heart:
William Buckland - Megalosaurus and Marriage
... raconteur and contemporary, recalled, “Talk of strange relics led to mention of the heart of a French King preserved at Nuneham in a silver casket ... looking at it, exclaimed, ‘I have eaten many strange things, but have never eaten the heart of a king before,’ and, before anyone could hinder him, he had ...
... raconteur and contemporary, recalled, “Talk of strange relics led to mention of the heart of a French King preserved at Nuneham in a silver casket ... looking at it, exclaimed, ‘I have eaten many strange things, but have never eaten the heart of a king before,’ and, before anyone could hinder him, he had ...
Heart Valve
... A heart valve normally allows blood flow in only one direction through the heart ... The four valves commonly represented in a mammalian heart determine the pathway of blood flow through the heart ... A heart valve opens or closes incumbent upon differential blood pressure on each side ...
... A heart valve normally allows blood flow in only one direction through the heart ... The four valves commonly represented in a mammalian heart determine the pathway of blood flow through the heart ... A heart valve opens or closes incumbent upon differential blood pressure on each side ...
Digoxin - Mechanism of Action
... α-subunit of the Na+/K+ ATPase pump in the membranes of heart cells (myocytes) and decreases its function ... action potential, which leads to a decrease in heart rate ... contractility (the force of contraction) of the heart without increasing heart energy expenditure ...
... α-subunit of the Na+/K+ ATPase pump in the membranes of heart cells (myocytes) and decreases its function ... action potential, which leads to a decrease in heart rate ... contractility (the force of contraction) of the heart without increasing heart energy expenditure ...
Digoxin - Pharmacokinetic Properties
... (the IV injection should be slow, and heart rhythm should be monitored) ... For congestive heart failure, levels between 0.5 and 1.0 ng/ml are recommended ... For heart rate control (atrial fibrillation), plasma levels are less defined and are generally titrated to a goal heart rate ...
... (the IV injection should be slow, and heart rhythm should be monitored) ... For congestive heart failure, levels between 0.5 and 1.0 ng/ml are recommended ... For heart rate control (atrial fibrillation), plasma levels are less defined and are generally titrated to a goal heart rate ...
Echocardiography
... Echocardiogram, often referred to cardiac echo or simply an echo is a sonogram of the heart ... ultrasound to create images of the heart ... management, and follow-up of patients with any suspected or known heart diseases ...
... Echocardiogram, often referred to cardiac echo or simply an echo is a sonogram of the heart ... ultrasound to create images of the heart ... management, and follow-up of patients with any suspected or known heart diseases ...
More definitions of "heart":
- (noun): The choicest or most essential or most vital part of some idea or experience.
Example: "The heart and soul of the Republican Party"
Synonyms: kernel, substance, core, center, essence, gist, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty
- (noun): The courage to carry on.
Example: "You haven't got the heart for baseball"
Synonyms: mettle, nerve, spunk
- (noun): The hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions pump blood through the body.
Example: "He stood still, his heart thumping wildly"
Synonyms: pump, ticker
- (noun): A playing card in the major suit of hearts.
Example: "He led the queen of hearts"
- (noun): A plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines.
Example: "He drew a heart and called it a valentine"
- (noun): A firm rather dry variety meat (usually beef or veal).
Example: "A five-pound beef heart will serve six"
- (noun): A positive feeling of liking.
Example: "The child won everyone's heart"
Synonyms: affection, affectionateness, fondness, tenderness, warmheartedness
- (noun): The locus of feelings and intuitions.
Example: "In your heart you know it is true"
Synonyms: bosom
Famous quotes containing the word heart:
“Swift beating on his breast in sibylline frenzy blind
Because the heart in his blood-sodden breast had dragged him down into mankind ...”
—William Butler Yeats (1865–1939)
“Give sorrow words; the grief that does not speak
Whispers the o’er-fraught heart and bids it break.”
—William Shakespeare (1564–1616)
“As soon as you are in a social setting, you better take away the key to the lock of your heart and pocket it; those who leave the key in the lock are fools.”
—Johann Wolfgang Von Goethe (1749–1832)
Related Subjects
Related Phrases
Related Words