synapsis


syn·ap·sis

noun \sə-ˈnap-səs\
plural syn·ap·ses\-ˌsēz\

Definition of SYNAPSIS

:  the association of homologous chromosomes that is characteristic of the first meiotic prophase

Origin of SYNAPSIS

New Latin
First Known Use: 1895

syn·ap·sis

noun \sə-ˈnap-səs\   (Medical Dictionary)
plural syn·ap·ses \-ˌsēz\

Medical Definition of SYNAPSIS

: the association of homologous chromosomes with chiasma formation that is characteristic of the first meiotic prophase and is held to be the mechanism for genetic crossing-over

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