Blood in urine (haematuria) Introduction. Finding blood in your urine can be very frightening and must be investigated by a doctor, but it's not usually a sign of anything life-threatening. If you notice bright red blood in your urine, or if your urine has turned red or brown because it has blood in it, see your GP.
An inside look at the structure of the elbow. #. Advertisement. Advertisement. The elbow is where the two bones of the forearm â the radius on the thumb side of the arm and the ulna on the pinky finger side â meet the bone of the upper arm -- the humerus. The lower end of the humerus flares out into two rounded protrusions called epicondyles, where muscles attach.
The arm is the region between the shoulder and the elbow and consists of one bone, the humerus. The humerus, the longest and largest bone of the upper limb, articulates with the scapula proximally at the glenohumeral joint and has distal articulations with the radius and ulna at the elbow joint.