After a blocked artery is treated with angioplasty to restore blood flow, the artery may become blocked again. This is called restenosis. One way to prevent restenosis is to place a stent inside the artery at the spot where the blockage was cleared by angioplasty. A stent is a tiny, metal mesh tube that is placed with a catheter and permanently embedded within the artery wall to prop open and prevent it from collapsing.
Associations between Agent Orange and other dioxin-contaminated herbicides and structural birth defects like spina bifida, oral clefts, heart defects and hypospadias may be just the âtip of the icebergâ.
Study Help Full Glossary for The Handmaid's Tale. Aged Primipara an elderly first-time mother, as opposed to multipara, the medical term for a woman who has borne several children. Agent Orange a defoliant employed by the U.S. Army during the Vietnam War to strip the jungle of hiding places for Communist insurgents. Returning soldiers discovered that exposure to the chemical seemingly increased the likelihood of birth defects in their children.