The Inhibins A and B Blood Test helps determine the levels of inhibin A and inhibin B in blood. It helps in diagnosing abnormalities in pregnancy, including preeclampsia (which is a dangerously high blood pressure during pregnancy) Along with AFP and uE3, inhibin A and inhibin B levels are also measured as a second-trimester screen for Down syndrome
A gill (/É¡Éªl/) is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist.
human gill slits. In high school, a biology teacher gifted me with a biology textbook when she retired. (1) In it we read: The fish, reptile, and human embryos each form an internal skeleton, including vertebral column, skull, ribs, limb girdles, and limb cartilages. The gills open through the pharynx to the outside...