polyploidy. 1  the condition in which a normally diploid cell or organism acquires one or more additional sets of chromosomes. 2  Ploidy, the concept of the number of complete sets of genes organized into chromosomes, is inapplicable to prokaryotes. ... 3 from it in essence.
Healthcare providers consider a normal blood pressure reading to be 120/80 or below. However, it can actually fall anywhere in a range from 90/60 to 120/80 -- it's not just one set number. The number on top of the reading is called the systolic pressure.
What is the normal blood pressure range in adults? Below is a chart of the various blood pressure ranges â afterwards, we go into the details of what it means to you. If you are concerned you might have high blood pressure, see The Signs of High Blood Pressure. First entry is systolic pressure/second diastolic. Optimal blood pressure: 120/80. Normal: 120-129/80-84.