presynaptic

[ pree-si-nap-tik ]

adjective

, Physiology.

1. being or occurring on the transmitting end of a discharge across a synapse.

Other Words From

• presyn·apti·cal·ly adverb

Word History and Origins

Origin of presynaptic¹

1905–10; pre- + synaptic ( def )

Example Sentences

The broken DNA is processed to generate single-stranded overhangs termed presynaptic DNA.

From Nature

The filaments formed by RecA enzymes stretch presynaptic single-stranded DNA by approximately 50% relative to its normal length7.

From Nature

When the complementary DNA strand pairs with the RecA-coated presynaptic single-stranded DNA, it also adopts this extended conformation and is stabilized mainly by base-pairing interactions with the presynaptic DNA.

From Nature

The non-displaced complementary DNA strand is positioned in a way that enables it to pair with the presynaptic single-stranded DNA.

From Nature

The continued opening of the double-stranded DNA then proceeds preferentially in a 3′-to-5′ direction with respect to the orientation of the presynaptic DNA.

From Nature