• BIO 264 Anatomy & Physiology I
  • 1.0. MODULE 1: TERMINOLOGY/HOMEOSTASIS
  • 2.0. MODULE 2: INORGANIC CHEMISTRY
  • 3.0. MODULE 3: ORGANIC CHEMISTRY
  • 4.0. MODULE 4: THE CELL
  • 5.0. MODULE 5: CELL MEMBRANES-STRUCTURE AND TRANSPORT
  • 6.0. MODULE 6: NERVOUS SYSTEM ORGANIZATION
  • 7.0. MODULE 7: SKELETAL MUSCLE
  • 8.0. MODULE 8: METABOLISM
  • 9.0. MODULE 9: CONTROL OF BODY MOVEMENT
  • 10.0. MODULE 10: THE AUTONOMIC NERVOUS SYSTEM
  • 11.0. MODULE 11: THE BRAIN
  • 12.0. MODULE 12: SPECIAL SENSES
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  • Translations
  • 10.3.1

    A Table of Actions for the Sympathetic and Parasympathetic Divisions

    Effector Organ

    Sympathetic Effects (receptor)

    Parasympathetic Effects (receptor)

    Eye (iris)

    Contraction of dilator pupillae muscles – mydriasis (α1)

    Contraction of sphincter pupillae muscles – miosis (M)

    Eye (ciliary muscle)

    Relaxation (β2) for distant vision

    Contraction (M) for accommodation of lens (near vision) and increase aqueous humor outflow into canal of Schlemm

    Eye (ciliary body epithelium)

    Increased aqueous humor production (β1)

     —

    Heart

    Increased heart rate, increased force of contraction and increased conduction rate (β1)

    Decreased heart and conduction rate (M), decreased atrial contractility (M)

    Arterioles(skin,abdominal viscera, kidney)

    Strong vasoconstriction (α1)

     —

    Arterioles(skeletal muscle)

    Weak vasoconstriction (α1)
    Vasodilation (β2)

     —

    Vessels(heart)

    Vasoconstriction (α1), Vasodilation (β2)

     —

    Lungs

    Dilates Bronchioles (β2)

    Constricts bronchioles (M)

    Uterus, pregnant

    Constriction (α1), relaxation (β2)

    Contraction (M)

    Gastrointestinal tract wall

    Decreased tone (α1,α2,β2)

    Increased tone (M)

    Gastrointestinal tract sphincter

    Contraction (α1)

    Relaxation (M)

    Gatrointestinal tract secretion

     —

    Increased (M)

    Kidney

    Increased renin release (β1)

     —

    Bladder wall (detrusor muscle)

    Relaxation (β2)

    Contraction (M)

    Internal urinary sphincter

    Contraction (α1)

    Relaxation (M)

    Pancreas

    Decreased insulin secretion (α2), decreased exocrine secretion (α)

    Increased insulin secretion (M), increased exocrine secretion (M)

    Fat cells

    Lipolysis (β3)

     —

    Liver

    Glycogenolysis (α1,β2), Gluconeogenesis (α1,β2)

     —

    Piloerector muscles of skin

    Contraction (α1)

     —

    Salivary gland

    Constriction of vessels & small production of a viscous saliva. (α1)

    Dilation of vessels & large production of thin saliva (M)

    Sweat gland

    Generalized sweating (M) Localized sweating(stress) – palms & soles (α1)

     —

    Adrenal medullae

    Increased secretion of EPI or NE (N)

     —

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