1. neuromuscular blocking agent a substance that interferes with the neural transmission between motor neurons and skeletal muscles
  2. neuromuscular junction the junction between a nerve fiber and the muscle it supplies
  3. beta-adrenergic blocking agent any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
  4. beta-blocking agent any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
  5. nonvascular plant any of numerous plants of the division Bryophyta
  6. alpha-adrenergic blocking agent any of various drugs that block alpha-adrenergic receptors
  7. musical arrangement a piece of music that has been adapted for performance by a particular set of voices or instruments
  8. blocking agent a class of drugs that inhibit some biological process
  9. neuroleptic agent tranquilizer used to treat psychotic conditions when a calming effect is desired
  10. thrombolytic agent a kind of pharmaceutical that can break up clots blocking the flow of blood to the heart muscle
  11. neuromuscular affecting or characteristic of both nerves and muscles
  12. molecular biologist a biologist who studies the structure and activity of macromolecules essential to life
  13. vascular plant green plant having a vascular system: ferns, gymnosperms, angiosperms
  14. bleaching agent an agent that makes things white or colorless
  15. purchasing agent an agent who purchases goods or services for another
  16. intramuscular injection an injection into a muscle
  17. psychotropic agent a chemical substance that can influence human consciousness
  18. auricular appendage a pouch projecting from the top front of each atrium of the heart
  19. regular polygon a polygon with all sides and all angles equal
  20. reducing agent a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver