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GLUCAGON • Peptide hormone secreted pancreatic alpha cells • Counterregulatory hormone: opposes insulin action • Other counterregulatory hormones: epinephrine, norepinephrine, cortisol, growth hormone • Binds G-protein coupled receptors in sp
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Use this flashcard to compare mechanisms of glomerular filtration rate regulation - and use our series of tutorials on GFR to understand filtration in the kidney!
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Thin myofilament: Details The thin filament slides towards the H zone. • Actin - Spherical molecules joined in pairs of strands (like beads on a string). It is referred to as F-actin for filamentous actin, and comprises a polymer of G-actin monomer
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ACID-BASE REGULATION Key Principles: Volatile [acid](/term/physiology/acids-bases) is the product of aerobic cellular respiration, which releases carbon dioxide. As we've learned elsewhere, when carbon dioxide interacts with water in the bo
Review renal and respiratory system roles in acid-base regulation - and if this flashcard isn't enough, try our Physiology course for Free and see how our tutorials break down tricky concepts for more efficient learning!
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> **Pleural Effusions** * **Pleural effusion is excess fluid in the pleural space,** which occurs when production of pleural fluid exceeds pleural reabsorption. **Healthy Pleural Space & Fluid** We draw a [lung](/term/gross-anatomy/lungs-pleu
Review key aspects of Pleural effusions - excess fluid in the pleural space.
*Peristalsis* Uni-directional propulsion of digested food forward through the digestive tract. * Activated following a meal (postprandial). * Rhythmic, alternating contractions of the circular and longitudinal [smooth muscle](/term/histology/small
Do you know how motility in the small intestine is generated?
RESTING MEMBRANE POTENTIAL **Overview** * Ions flow along their [electrochemical gradient](/term/human-biology/electrochemical-gradient) (combination of concentration gradient and electric potential) * Neurons have open channels (
Need a refresher on resting membrane potential? Check out this Flashcard (but if that's not enough, we have a full tutorial on it, too)!
