Is air a pure substance? Air is not a pure substance but a mixture of different gases. It is composed of approximately 78 percent nitrogen and 21 percent oxygen, with small amounts of about a dozen other gases making up the remainder.
Inguinal pain refers to symptoms of pain or discomfort within the lower abdomen and the area where the legs are joined to the torso. Click to read more. Inguinal pain refers to symptoms of pain or discomfort within the lower abdomen and the area where the legs are joined to the torso. For males, in particular, inguinal pain may also radiate to or from the testicles or scrotum. Symptoms of inguinal pain may also include redness or swelling within the groin region and the area may be sensitive to touch. Patients with inguinal pain due to an underlying hernia may also present with an observable bulge within the area.
Inguinal hernia - A condition in which a portion of the intestines pushes through a gap or weakened area of tissue that separates the abdomen and inguinal region (groin). These hernias might look like a mass or lump in either the scrotum or higher up in the groin and can cause swelling of the testicles. Testicular torsion - A painful condition in which the testicular sac becomes twisted or rotated, causing the blood flow from the spermatic cord to be cut off.