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having two sides; pertaining to both sides.


Relating to, or having, two sides.
[bi- + L. latus, side]


1. Having or formed of two sides; two-sided.
2. Relating to both the right and the left side of the body or of a body structure: bilateral mastectomy.
3. Having or marked by bilateral symmetry.

bi·lat′er·al·ism n.
bi·lat′er·al·ly adv.
bi·lat′er·al·ness n.


adjective Referring to or distributed on 2 or both sides of something.


Relating to, affecting, or having, two sides.
[bi- + L. latus, side]


Involving or affecting both sides. In the case of paired organs, bilateral means affecting both of them.


Affecting both eyes.
Mentioned in: Retinoblastoma


Relating to, or having, two sides.
[bi- + L. latus, side]

Patient discussion about bilateral

Q. Is it common to have both- fibromyalgia and diabetes? My daughter has both and I was wondering whether it has some explanation

A. Ia don't know if it's common but I suffer from both as well...diabetes and fibromyalgia,if it helps in any way at all...

Q. I am Maya,I had stress both at work and in my personal life. I am Maya, a Civil Engineer working in a construction company. I had stress both at work and in my personal life. As a result, at the age of 30, I developed fibromyalgia. I could not meet my target of 8 hours sleep due to work stress and I had to forgo 2 hours of my sleep every day. Somehow, I would try to make it during weekends by sleeping 7-9 hours a night. After a year of this, I suddenly developed a pain in the shoulder and shooting pains in my arms, hands and fingers. My muscles became tight as if it was being tied to the rock and I felt weak. I cannot quit my job though, as I had to meet my commitments. Does work pressure and stress fuel up fibromyalgia?

A. Hi, I wish you the best in learning to deal with your condition. AS most of us that suffer know distrubed sleep is one of the symptoms of fibromyalgia. The pain awakes you or when you wake you feel as if you haven't slept. There for the chronic fatigue. But with learning to deal with your illness, working with your doctor to find out what treatment works best for you, you can and will learn to cope. You will realize you have "limits" that weren't there before and you will adjust to meet these. For someone that had suffered from the worse of my symptoms for the last 4 years I feel stress is a VERY large trigger for me. I can feel the difference in my body and the pain when I am under a lot of stress. I encourage you to find support, to try to outline ways to get things done that do not rush and stress you. Hot/warm baths, resting when you can and you need too. Realizing your new "limits" and not overdoing when ever possible. Good Luck!

Q. I get shooting pains in my buttocks and both upper legs

A. Sounds like radicular pain (pain originating from injury to the roots of the nerves in the spinal column). Is it aggravated by coughing, straining, standing or sitting? Is it relieved by lying down.

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References in periodicals archive ?
The impact of Medicare reimbursement on simultaneous bilateral total hip and knee arthroplasty.
In one study multifocality was found in 18% of synchronous cancers on both sides and it was suggested that the presence of multi centric tumours was a risk factor for bilateral breast cancer.
A case report of bilateral tubal ectopic pregnancy following day 5 embryo transfer.
Bilateral testis tumoru insidansi %1 ila %5 arasindadir.
(8) showed through the 1 RM test in elbow flexion and leg extension that the sum of unilateral forces is significantly greater than the bilateral force.
Brown RJ, Bilateral dislocation of the shoulders, Injury 1984;15:267-273.
Professional experiences gained during bilateral exercises have been mutually rewarding and will foster greater bilateral cooperation between the two brotherly navies.
Arif Alvi stressed the need to improve the overall size of bilateral trade and urged Ambassador-designate to make efforts to further promote Pakistan's economic and commercial interests in Morocco by employing all existing institutional mechanisms.He also said that high-level meetings between the two countries should take place soon so that all the available options can be discussed at length.
"Kazakhstan attaches a particular importance to development of bilateral relations with Kyrgyzstan.
The Advisor to PM apprised the delegation that Pak-Iran bilateral trade was not up to the available potential and urged the Iranian side to take necessary steps to remove non-trade barriers so that real potential of bilateral trade could be realized.

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