Glossary of terms used on this site
Glossary of biology.
Glossaries
| Term | Main definition |
|---|---|
| valence shell |
Glossaries - Biology glossary
outermost shell of an atom |
| van der Waals interaction |
Glossaries - Biology glossary
very weak interaction between molecules due to temporary charges attracting atoms that are very close together |
| variable number of tandem repeats (VNTRs) |
Glossaries - Biology glossary
variation in the number of tandem repeats between individuals in the population |
| variation |
Glossaries - Biology glossary
genetic differences among individuals in a population |
| vasa recta |
Glossaries - Biology glossary
peritubular network that surrounds the loop of Henle of the juxtamedullary nephrons |
| vascular bundle |
Glossaries - Biology glossary
|
| vascular stele |
Glossaries - Biology glossary
strands of root tissue made up of xylem and phloem |
| vascular tissue |
Glossaries - Biology glossary
tissue made up of xylem and phloem that transports food and water throughout the plant |
| vasoconstriction |
Glossaries - Biology glossary
narrowing of a blood vessel |
| vasodilation |
Glossaries - Biology glossary
widening of a blood vessel |
| vasodilator |
Glossaries - Biology glossary
compound that increases the diameter of blood vessels |
| vasopressin |
Glossaries - Biology glossary
another name for anti-diuretic hormone |
| vein |
Glossaries - Biology glossary
blood vessel that brings blood back to the heart |
| veliger |
Glossaries - Biology glossary
second of the two larval stages in mollusks |
| vena cava |
Glossaries - Biology glossary
major vein of the body returning blood from the upper and lower parts of the body; see the superior vena cava and inferior vena cava |