What does opaque mean in radiology?
Reviewed on 3/29/2021. Radiopaque: Opaque to one or another form of radiation, such as X-rays. Radiopaque objects block radiation rather than allow it to pass through. Metal, for instance, is radiopaque, so metal objects that a patient may have swallowed are visible on X-rays.
What does opaque mean give examples?
The definition of opaque is not capable of having light pass through or hard to understand. An example of opaque is the quality of a black sheet of paper. An example of opaque is the study of astrophysics. adjective.
What are 5 examples of opaque?
Opaque: Illustration board, cemented wall, roof, cardboard piece, book, wood, metal, aluminum and some kinds of plastic.
Which is a good description of opaque?
not transparent or translucent; impenetrable to light; not allowing light to pass through. not transmitting radiation, sound, heat, etc. not shining or bright; dark; dull. hard to understand; not clear or lucid; obscure: The problem remains opaque despite explanations.
How do you use opaque in a sentence?
Opaque in a Sentence 🔉Jack's tinted car windows appear opaque to everyone outside the car.I cannot see through the glass because it is opaque.As Larry is an experienced liar, his stories are always quite opaque. ... Continue adding flour to the sauce until it becomes opaque.More items...
What is translucent example?
Plastic and frosted glass are examples of translucent material.
What is opaque color?
The term opaque originated from the Latin, meaning 'dark' meaning 'not transparent' and opaque substance does not let any light pass through at all. A paint that is opaque will give a solid colour. Blacks and whites are always opaque and any colour mixed with them will become more opaque.
What does opaque nature mean?
1 not transmitting light; not transparent or translucent. 2 not reflecting light; lacking lustre or shine; dull. 3 not transmitting radiant energy, such as electromagnetic or corpuscular radiation, or sound. 4 hard to understand; unintelligible. 5 unintelligent; dense.
What is the difference between transparent and opaque?
Resistant to the transmission of certain kinds of radiation, usually light. Metals and many minerals are opaque to light, while being transparent to radio waves and neutrinos. Compare translucent transparent.
What does "not transparent" mean?
adjective. not transparent or translucent; impenetrable to light; not allowing light to pass through. not transmitting radiation, sound, heat, etc. not shining or bright; dark; dull. hard to understand; not clear or lucid; obscure: The problem remains opaque despite explanations. dull, stupid, or unintelligent.
What color is an aloe plant?
Deep brown or black, very opaque, and less soluble than ordinary aloes.
Is Berliner Weiss opaque?
Like Berliner Weiss, these beers are unfiltered and slightly opaque.
What is the definition of opacity?
Opacity medical definition: 1. A lack of transparency; an opaque or nontransparent area. 2. On a radiograph, a more transparent area is interpreted as an opacity to x-rays in the body. 3. Mental dullness. The condition of a tissue or structure which is not transparent, or being opaque. The location of an opacity within the eye can be determined with a slit-lamp.
What does "opacity" mean in English?
Opacity in English:1. The quality or state of being opaque. 2. Something opaque. 3. a. Obscurity; impenetrability. b. Dullness of mind. Also:opaqueness, cloudiness, density, obscurity, dullness, murkiness, haziness, impermeability, mistiness, milkiness, filminess
What does "more transparent" mean on a radiograph?
A lack of transparency; an opaque or nontransparent area. 2. On a radiograph, a more transparent area is interpreted as an opacity to x-rays in the body.
Why does the cornea opacify?
For instance, cornea (the bulging transparent part of eye) opacifies in case of cataract formation by devlopment of a white layer due to abnormal protein structures ,which leads to impaired visions as light can't enter eye.
What is the term for the period before symptoms appear?
Prodromal is a medical term that describes the period before specific symptoms appear that identify an illness, but when the illness has taken hold and is proliferating. The patient may feel something is off, have generalized symptoms, but it’s hard for the doc to figure it out as there are few specifics to go by.
What does "severe" mean in medical terms?
There is no definite definition . When doctors say or use the word “severe “ I will say we mean that your chances at survival exist but are minimal. If perhaps you wish a mental image think of a bell distribution curve showing degree of illness on the vertical axis and number of patients on the horizontal axis. There are about say 5% to the very right axis that have severe illness and their mortality would be on the order of 80% failure to live within 6 months. Within this 5% would also be different words. Very severe, disastrous, fatal , futile, no hope whatsoever. I think severe means there
What does "tonus tonic" mean?
1a : characterized by tonus tonic contraction of muscle also : marked by prolonged muscular contraction tonic convulsions b : producing or adapt
What does lung opacity mean?
So in a way, lung opacity is the least differentiated way of saying something is wrong in the lung but hard to say what it is based on all the information present. A lung opacity can be something benign like scarring all the way to deadly cancer.
What does it mean when a radiologist describes an abnormality in the lung as an opacity?
Therefore, if the radiologist describes an abnormality in the lung as an opacity, rather then a specific diagnosis, then this may mean that more testing and more information is needed to reach the correct diagnosis.
What is the opacity of chest xrays?
Therefore, an opacity on a chest X-ray in a patient with cough and fever presenting to the emergency room will most likely be a pneumonia.
Why are my lungs black on an X-ray?
The lungs are normally black on a chest X-ray so anything that blocks the X-rays from getting through will look white on an X-ray. A white spot amidst the normal black lungs can therefore be a cancer, infection, bleeding, fluid, foreign body amongst other possibilities. The radiologist who interprets the X-ray tries to provide as accurate ...
Is opacity more likely to be cancerous?
If an opacity is new compared to say something recent from a month ago, then it is more likely to an infection or fluid. A growing opacity is more likely to be cancerous.
Is a white opacity in the lung a sign of cancer?
A more rounded opacity in a long time smoker is more likely to be a cancer. White opacities in both lungs in someone known to have heart failure is most likely edema or fluid in the lungs. Therefore the radiologist also uses the pattern of abnormality or opacity to determine the most likely diagnosis. If it is in one small area then it may be ...
What is diffuse opacity?
Diffuse: Diffuse opacities show up in multiple lobes of one or both lungs. This pattern occurs when the air in the lungs is replaced with fluid, inflammation, or damaged tissue. Nodular: This type can indicate both benign and malignant conditions.
What does GGO mean in a CT scan?
Summary. Ground glass opacity (GGO) refers to the hazy gray areas that can show up in CT scans or X-rays of the lungs. These gray areas indicate increased density inside the lungs. The term comes from a technique in glassmaking during which the surface of the glass is blasted by sand. This technique gives the glass a hazy white or frosted ...
Is GGO a long term condition?
Other times, it may be the temporary result of a short-term illness. However, it can also indicate a more serious or long-term condition.