Funiculus

Funiculus (Latin for "slender rope") is any cord-like structure in anatomy or biology, and may refer to:

Anatomy

the spermatic cord formed by the vas deferens and surrounding tissue
the umbilical cord attaching a fetus to the placenta during pregnancy

Neuroanatomy

A funiculus or column is a small bundle of axons (nerve fibres), enclosed by the perineurium.

In the central nervous system, a funiculus is one of the paired white matter regions of the spinal cord: the anterior funiculus, the lateral funiculus, and the posterior funiculus.
In the fourth ventricle, the funiculus separans is a strip of ependyma.

In the peripheral nervous system, a funiculus is a bundle of axons that may be bundled into a nerve fascicle

Biology

in insect antennae, the funicle is the segment connecting the club with the base
in flowering plants, the funiculus is the stalk that attaches an ovule to the placenta
in mycology, the funicular cord is a sticky trailing thread that attaches the peridioles (the "eggs") to the peridium (the "nest") in some species of bird's nest fungi
in malacology, a funicle is a cord-like spiral ridge within the umbilical area of the shell that runs into or partly fills the umbilicus.

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