Open heart surgery
Surgery in which the chest is opened and surgery is performed on the heart. The term “open” refers to the chest, not to the heart itself. The heart may or may not be opened depending on the particular type of surgery.
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- Open reading frame
A portion of DNA that occurs between a start codon and a termination codon which can potentially be translated into a protein Abbreviated ORF.
- Open wound
An injury that is exposed because of broken skin. An open wound is at high risk for infection.
- Open-angle glaucoma
Glaucoma is a condition of the eye that leads to progressive atrophy of the optic nerve in the presence of an open angle. It is accompanied by changes in the appearance of the optic disc, loss of peripheral vision and has historically been associated with elevated intra-ocular pressure. Open-angle glaucoma is the most common form […]
- Open-label
A term used to describe the situation when both the researcher and the participant in a research study know the treatment the participant is receiving. Open-label is the opposite of double-blind when neither the researcher nor the participant knows what treatment the participant is receiving.
- Open-label trial
A clinical trial in which researchers and participants know which drug or vaccine is being administered.