Presynaptic
adjective, Physiology.
1.
being or occurring on the transmitting end of a discharge across a synapse.
presynaptic pre·syn·ap·tic (prē’sĭ-nāp’tĭk)
adj.
Relating to the area on the proximal side of a synaptic gap.
Read Also:
- Presynaptic membrane
presynaptic membrane n. The part of the cell membrane of an axon terminal that faces the cell membrane of the neuron or muscle fiber with which the axon terminal establishes a synapse.
- Presystole
noun 1. Physiology. the normal rhythmical contraction of the heart, during which the blood in the chambers is forced onward. Compare diastole. 2. Classical Prosody. the shortening of a syllable regularly long. noun 1. contraction of the heart, during which blood is pumped into the aorta and the arteries that lead to the lungs Compare […]
- Presystolic gallop
presystolic gallop n. A gallop rhythm in which an abnormal fourth heart sound occurs in late diastole.
- Presystolic murmur
presystolic murmur n. A murmur heard at the end of ventricular diastole, during atrial systole, usually due to obstruction at an atrioventricular orifice.
- Pressure-cooker
or pressure-cooker noun 1. a reinforced pot, usually of steel or aluminum, in which soups, meats, vegetables, etc., may be cooked quickly in heat above boiling point by steam maintained under pressure. 2. any situation, job, assignment, etc., in which a person is faced with urgent responsibilities or demands by other people, constant deadlines, or […]