crux

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crux

, pl.

cru·ces

(krŭks, krū'sēz), Do not confuse this word with crus.
A junction or crossing.
Synonym(s): cross (1)
[L.]

crux

(kruks) pl. cru´ces   [L.] cross.
crux of heart  the intersection of the walls separating the right and left sides and the atrial and ventricular heart chambers.
cru´ces pilo´rum  crosslike patterns formed by hair growth, the hairs lying in opposite directions.

crux

[kruks, kroo͡ks]
Etymology: L
1 cross.
2 a difficult problem.
3 a vital, basic, or decisive point.

crux

, pl. cruces (krŭks, krū'sēz)
A junction or crossing.
Synonym(s): cross (1) .
[L.]