openings is a form of:

Extravasation



noun
1.
(វេជ្ជសាស្ត្រ) ឈាមជ្រាបចេញពីសរសៃឈាម, ការហូរចេញរបស់វត្ថុរាវនៃរាងកាយ (ដូចជាឈាម) ទៅក្នុងមជ្ឈដ្ឋានក្នុងចន្លោះកោសិកា
ENGLISH MEANING
noun
1.
The act of forcing or letting out of its proper vessels or ducts, as a fluid; effusion; as, an extravasation of blood after a rupture of the vessels.
2.
The issue of lava and other volcanic products from the earth.