More expensive pacemakers that pace the heart?s upper and lower chambers are worth the extra cost because they can reduce the risk of hospitalization and disability in patients with heart disease, according to a study published in Circulation: Journal of the American Heart Association.
The Food and Drug Administration (FDA) has approved a plastic lens that is permanently implanted into the eye to correct moderate to severe nearsightedness. The lens, called an intraocular lens (IOL), is similar to the type of lens implanted in the eye to restore vision following cataract surgery.
The Food and Drug Administration (FDA) has approved an artificial spinal disc for use in treating pain associated with degenerative disc disease (DDD). The device is intended to replace a diseased or damaged intervertebral disc.
A team of researchers working with cells from mice has overcome a technical barrier and succeeded in growing sperm progenitor cells in laboratory culture. The researchers transplanted the cells into infertile mice, which were then able to produce sperm and father offspring that were genetically related to the donor mice.
To understand endometriosis let us quickly and briefly revise our knowledge about the anatomy of uterus. Uterus consists of three layers – the outermost peritoneal covering or perimetrium, the middle muscle layer or myometrium, the innermost mucus membrane or endometrium.