Veins At Biology Glossary
What is it? Vessels which carry blood back to the heart from the tissues. Veins are thin walled and will collapse if empty. They have a series of one-way valves to prevent blood from flowing backwards.Bio Definition Added By: Natalie
The Veins definition has been viewed 1695 Time(s)!
Send To Friends!
If you'd like to send the Veins definition to yourself or to your friends/colleagues, just enter the e-mail addresses in the boxes below -We hope you now understand the meaning of Veins. If you need any more information on this term, please don't hesitate to contact us.
Other Similar Biology Terms:
Bio Term Activator is A gene product (usually protein) that positively regulates transcription. Activators may either increase binding of RNA polymerase to the promoter (closed complex formation) or stimulate RNA polymerase to begin transcription (open complex formation).Bio Term Exonuclease is An enzyme that digests a molecule of nucleic acid by removing successive nucleotides from the 5 or 3 end. Exonucleases may be specific for single or double stranded DNA or RNA, and may be specific for either 3 or 5 ends.
Bio Term functional alleles is Mutants that fail to complement each other in a cis-trans complementation test.
Bio Term analogous trait is A trait that is morphologically and functionally similar to that of a different species but that arose from a distinct, ancestral condition.
Bio Term coelom is The main body cavity, which is lined with mesoderm, and found in annelids, molluscs, arthropods, echinoderms, and chordates.