perforations

The gill slits occur with a modification due to the slitting and flattening out of the embryo, already insisted upon; for, whereas in the tadpole they may be described as perforations, in the fowl they appear as four notches between ingrowing processes that are endeavouring to meet in the middle line.

Text Book of Biology, Part 1: Vertebrata 1906

Each one of the perforations is the entrance to an oblique tunnel, which is bored in the medullary sheath of the twig.

Social Life in the Insect World Jean-Henri Fabre 1869

St. Jude said in its own monitoring of the Riata's performance, it hasn't seen anything to suggest Riata leads are linked to more heart "perforations" than are any other defibrillator leads.

St. Jude Defibrillator Wire Gets Scrutiny 2007

QUESTION: Is it the same with regard to what was initially called the sunshine rule: If light shines around the perforations, meaning the perforations have been perforated somewhat but not completely, that you would look for a consistent pattern throughout the card before you would utilize that as a vote?

CNN Transcript - Special Event: Judge Charles Burton Testifies on Palm Beach County Canvassing Board's Dimpled Ballot Selection Process - November 22, 2000 2000

But the FDA's decision was based on the totality of evidence, he said, citing possible side effects such as perforations of the nose, stomach and intestine; high blood pressure; and heart failure.

Yahoo! News: Business - Opinion 2011

But the FDA's decision was based on the totality of evidence, he said, citing possible side effects such as perforations of the nose, stomach and intestine; high blood pressure; and heart failure.

Yahoo! News: Business - Opinion 2011

But the FDA's decision was based on the totality of evidence, he said, citing possible side effects such as perforations of the nose, stomach and intestine; high blood pressure; and heart failure.

Yahoo! News: Business - Opinion 2011

I heard about too many people getting perforations and got sick or occasionally even die from it.

Sources: White House considers drafting health care bill 2009

The project will begin with complimentary works, such as the construction of a diversion tunnel from the Verde river, access roads and perforations.

Water in Chapala 2009

The project will begin with complimentary works, such as the construction of a diversion tunnel from the Verde river, access roads and perforations.

Water in Chapala 2009