Category: I
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Interstitial nephritis
Acute or chronic inflammation of the renal intercellular tissue and tubules, possibly due to allergic response to Sulfamide or methicillin. Nephritis associated with pathological changes in the renal interstitial tissue that in turn may be primary or due to a toxic agent such as a drug or chemical. The end result is the destruction of…
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Internal jugular vein
The paired, bilaterally placed blood vessels of the interior neck that receive blood from the brain and superficial structures of the neck and face. A vein that drains blood from the face, neck, and the cranial venous sinuses and unites with the subclavian vein to form the brachiocephalic vein. It is a vein commonly used…
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Intercostal retractions
Inward movement of the soft tissue between the ribs during inspiration.
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Inspiratory reserve volume
The volume of air entering the lungs combined with the tidal volume (TV) during forced inhalation; average value = 3,000 cc. The maximal amount of air that can be inhaled after a normal inspiration. The amount of air that can be inhaled into the lungs beyond a typical breath in.
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Inguinodynia
Pain in the groin area due to trauma, space-occupying tumors, or infection.
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Inguinal lymph nodes
Lymphoid tissue located in the groin area.
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Infraspinatus muscle
Skeletal muscle of the upper back that originates at the infraspinous fossa of the scapula and inserts at the upper edge of the humerus; when contracted, it extends and rotates the arm laterally. A muscle of the back originating in the infraspinous fossa of the scapula and inserted in the greater tubercle of the humerus.…
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Infraspinatus bursa
A sheath located between the tendon of the infraspinatus muscle and the capsule of the shoulder joint.
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Inferior rectus muscle
Muscle that turns the eye downward.
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Inferior oblique muscle
Muscle that turns the eye downward and toward the midline of the visual field.