chiasm definitions WordNet (r) 3.0 (2005) n 1: an intersection ... tracts in the form of the letter X [syn: chiasma, chiasm, decussation] Merriam Webster's noun Etymology: New Latin chiasma Date: 1870 chiasma 1 Webster's 1913 Dictionary Chiasm Chi"asm, Chiasma Chi*as"ma, n. [NL. chiasma, fr ...
optic chiasm definitions WordNet (r) 3.0 (2005) n 1: the crossing ... at the base of the brain [syn: optic chiasma, optic chiasm, chiasma opticum] Merriam Webster's noun see optic chiasma
... at the base of the brain [syn: optic chiasma, optic chiasm, chiasma opticum] Merriam Webster's noun Date: 1872 the X ... optic nerves are continuous with the brain — called also optic chiasm
... tracts in the form of the letter X [syn: chiasma, chiasm, decussation] Merriam Webster's noun (plural chiasmata) Etymology: New Latin ... Gk chiasma a cross-shaped mark Webster's 1913 Dictionary Chiasm Chi"asm, Chiasma Chi*as"ma, n. [NL. chiasma, fr ...