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(bak), [TA]
1. Posterior aspect of trunk, below neck and above buttocks.
2. Vertebral column with associated muscles (erector spinae and transversospinalis) and overlying integument.
See: dorsum.

back

(băk)
n.
1.
a. The part of the trunk of the human body along and to the sides of the spine between the neck and the pelvis; the dorsum.
b. The analogous dorsal region in other animals.
2. The backbone or spine.

back′less adj.

back

(bak) [TA]
1. Posterior aspect of trunk, below neck and above buttocks.
2. Vertebral column with associated muscles (erector spinae and transversospinalis) and overlying integument.
See: dorsum

back

(bak) [TA]
1. Area on a débridement instrument where lateral surfaces meet or are continuous to its formation.
2. Portion of instrument working-end opposite its face. Sickle scalers have a pointed back, curettes a rounded one.
3. Posterior aspect of trunk, below neck and above buttocks.
4. Vertebral column with associated muscles (erector spinae and transversospinalis) and overlying integument.
See: dorsum

Patient discussion about back

Q. My son is complaining about back pain. I also see that his back isn't straight. What can we do? My son is a adorable 8 years old. He is complaining about back pain, that bothers him after he walks a little. I also saw that his back isn't straight and looks like a S. is this deformity connected to his back pain?

A. The normal shape of the spine is very similar to the "S" shape as you can see here
http://www.digitalartform.com/archives/images/spineTest1.jpg
But even if his back isn't deformated, he has back pain and you need to take care of that by going to your pediatrician.

Q. I want to know the treatments for back pain

A. well, tester1234, you are asking a very general question. back pain is a symptom. and the best way to get rid of a symptom is by eliminating the cause. back pain have many causes- not sitting right, posture problems, Spinal disc herniation, muscles not strong and long enough, kidney problems sometime feels like lower back problems. i had a problem with posture. so i went to Rolfing therapist- really helped.

Q. I have a lower back pain for more than 3 months what should I do? I am a 55 years old man, and i work as a truck-driver. In the last 3 months i have a back ache that is disturbing my life. Its really annoying me. When I wake up I am usually fine, but after 10 minutes of driving the pain starts and it doesn't stop till I go back to bed. What can I do? my GP told me to take Tylenol, but it's just not helping.

A. A constant low back pain can be a result of a lot of things. A friend of mine (63 years old) had a back pain and she didn't pay enough attention to it assuming its just nothing. In the end it was due to metastatic lung cancer.
here you can see the major "Red Flags" that encourage you take an extra appointment with your GP
http://www.medinfo.co.uk/conditions/lowbackpain.html

More discussions about back
References in classic literature ?
Everybody yelled at him and laughed at him and sassed him, and he sassed back, and said he'd attend to them and lay them out in their regular turns, but he couldn't wait now because he'd come to town to kill old Colonel Sherburn, and his motto was, "Meat first, and spoon vittles to top off on."
He crouched alongside of him, right arm drawn back and ready for a smashing blow the instant Joe should start to rise.
So it was agreed that they would make a forced march back through the jungle to where they had been deserted by Jacinto.
and bring an answer back immediately," she said to the messenger.
She kept back, in the dark: not a word, not a movement escaped her.
The other he tried to slip through hers; but she eluded him nimbly, and Frome's heart, which had swung out over a black void, trembled back to safety.
Alleyne, staggering to the side, was about to hurl himself after him, but Hordle John dragged him back by the girdle.
But he looked across a million years, at two mad creatures who had slipped the leach of the generations and who were back in the darkness of spawning life ere dawning intelligence had modified the chemistry of such life to softness of consideration.
I know that since I have so humbly done thy bidding thou wilt carry me back again.
The wild wave of famished beasts rolled back before them, and Buck shook himself free.
They will not bring Margaret back. Good-bye, old garden, good-bye, I shall never see you again,--good-bye.
He reached for me with his long arm, and his nails tore my flesh as I leaped back from the clutch and gained the comparative safety of the side-wall.