Geniculate

a.	1.	Bent abruptly at an angle, like the knee when bent; as, a geniculate stem; a geniculate ganglion; a geniculate twin crystal.
v. t.	1.	To form joints or knots on. [imp. & p. p. Geniculated ; p. pr. & vb. n. Geniculating.]

Adj.

1.

geniculate - bent at a sharp angle

biological science, biology, crooked