what is "nodus lymphoideus cysticus"?  It is in relation to the gallbladder.

Dear khanmaria,

The "nodus lymphoideus cysticus" - also called "nodus cysticus",
"cystic node", "cystic lymph node", and "node of neck of gallbladder"
- is a hepatic lymph node situated in the curve of the neck of the
gallbladder at the junction of the cystic (=gallbladder) and common
hepatic (=liver) ducts. It is responsible for draining lymph into the
hepatic (=liver) nodes.

Hepatic lymph nodes are nodes located along the hepatic (=liver)
artery as far as the porta hepatis (=liver portal); they drain among
other organs the liver and the gallbladder.


Sources:

Merck Source: Dorland's Illustrated Medical Dictionary
http://www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_a-b_00zPzhtm

Medical Dictionary Search Engine
http://www.books.md/

Hope this is what you were looking for!
Best regards,
Scriptor

in other words, it's a lymph node at the neck of the gallbladder, the
presence of which is normal. It may or not be inflamed or otherwise
abnormal if the gallbladder has something going on in it; but the mere
presense of the node is expected.