meninges. 1. Three protective membranes surrounding the brain and spinal cord. From the inner to the outer membrane they are: the pia mater, arachnoid, and dura mater. 2.Three layers of membraneâthe pia mater, arachnoid mater, and dura materâthat surround the brain and spinal cord.eninges. 1. Three protective membranes surrounding the brain and spinal cord. From the inner to the outer membrane they are: the pia mater, arachnoid, and dura mater. 2.
Chlamydia is a common sexually transmitted disease (STD) caused by infection with Chlamydia trachomatis. It can cause cervicitis in women and urethritis and proctitis in both men and women.
A test for chlamydia is done to: 1  See whether symptoms of a sexually transmitted infection (STI) are caused by a chlamydia infection. 2  Check people who are at high risk for being infected with chlamydia. 3  A chlamydia infection does not always cause symptoms.ests used to find a chlamydia infection include: 1  Nucleic acid amplification tests (NAAT) . 2  These tests find the genetic material (DNA) of chlamydia bacteria. 3  These tests are very good at identifying chlamydia.