Pore vs Ambulacrum - What's the difference?

As nouns the difference between pore and ambulacrum

is that pore is a tiny opening in the skin while ambulacrum is a row of pores for the protrusion of appendages such as tube feet.

is to study meticulously; to go over again and again.

(wikipedia pore)

From (etyl) pouren, from (etyl), from (etyl) porus, from (etyl) .

(en noun)

A tiny opening in the skin.

By extension any small opening or interstice, especially one of many or allowing passage of a fluid.

From (etyl) poren, pouren, . See (l).

(por)

to study meticulously; to go over again and again.

to meditate or reflect in a steady way.

* pore over

* * ----

(en-noun)

(of an echinoderm) A row of pores for the protrusion of appendages such as tube feet.