ABDOMINAL AORTA:
The continuation into the abdomen of the thoracic aorta, which divides into the two common iliac arteries.
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ABDUCTED:
A movement away from the medial plane (see also ADDUCTED) Vocal Cords ABDUCTED (tomograms).
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ACETABULUM:
A large cup-shaped cavity that is the point of articulation between the femur and the os coxae of the pelvis.
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ACROMIOCLAVICULAR JOINT:
The articulation between the acromion process and clavicle.
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ACROMION PROCESS:
The lateral extension of the spine of the scapula. (from the Greek "acros", literally the "end" or the "top" - like the "acropolis" in Athens, the "top" of the city)
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ADDITUS AD ANTRUM:
The mastoid air spaces connecting the mastoid antrum with the epitympanic recess.
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ADDUCTED (ADDUCTOR MAGNUS):
A movement toward the midline. The ADDUCTOR MAGNUS muscle moves the leg toward the medial plane.
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ADRENAL GLAND:
The gland located superior to the kidney which is responsible for the production of epinephrine. ("epi" - above + "nephros" - kidney)
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ANGLE OF LOUIS:
The point of junction between the manubrium and the body of the sternum.
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ANTERIOR ARCH (C1):
The curved structure located at the forward part of the atlas (ventral side of body).
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ANTERIOR RIB:
The portion of the rib locted on the ventral side of the body.
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ANTERIOR TIBIAL ARTERY:
Artery originating from the popliteal artery and branching into the posterior and anterior tibial recurrent, and lateral and medial anterior malleolar arteries, and lateral and medial malleolar retes.
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ANTERIOR URETHRA:
The part of the male urethra that extends from the bulb to the meatus of the glands penis.
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ANTRUM:
A cavity or chamber.
ANTRUM OF STOMACH:
The dilated portion of the pyloric region of the stomach.
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ANEURYSM:
The dilation of the wall of an artery, vein, or the heart, that forms a sac-like structure.
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AORTA:
The main trunk of the arterial system which originates from the left ventricle of the heart and extends to the level of the fourth lumbar vertebra.
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AORTIC ARCH:
The portion of the aorta which bends over inorder to extend into the thorax.
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AORTIC BIFURCATION:
The point where the abdominal aorta divides into the two common iliac arteries.
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AORTIC SINUS:
Dilations of the aortic wall superior to each valve.
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AP VIEW:
A front to back view of the body.
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APEX OF HEART:
The bottom most portion of the heart, formed by the left ventricle.
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APPENDIX:
(Veriform appendix) appendage of the cecum.
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ANTERIOR CLINOID PROCESS:
The bony process located on the medial end of the posterior border of the lesser wing of the sphenoid bone.
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ARTERIOGRAM:
A radiograph of arteries after they have been injected with a contrast material.
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ARTHEROMATOUS PLAQUE:
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ARTHROGRAM:
A roentgenographic record of a joint after the introduction of contrast material.
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ARTICULAR CARTILAGE:
Usually hyaline, located on the articular surfaces of bones within a synovial joint.
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ARTICULAR FOSSA:
A hollow of depressed area within a joint.
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ARTICULAR SURFACE:
The surfaces of bone or cartilage which form a joint.
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ARYTENOID CARTILAGE:
Paired cartilage of the larynx which articulates with the lamina of the cricoid cartilage.
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ASCENDING AORTA:
The portion of the aorta that originates from the left ventricle and gives rise to the right and left coronary arteries.
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ASCENDING COLON:
The part of the colon that lies between the cecum and the right colic flexure.
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ATRIAL APPENDAGE:
The ear-shaped appendage of either atrium of the heart.
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AV GROOVE:
A groove on the surface of the heart which separates the atria from the ventricles.
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AXIAL VIEW:
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AXILLARY VEIN:
The continuation of the basilic vein which ends at the lateral border of the first rib, becoming the subclavian vein.
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AZYGOUS ARCH:
The point where the azygous vein arches over the root of the right lung to empty into the superior vena cava.
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AZYGOUS VEIN:
The vein wich connects the superior and inferior venae cavae.
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Bug Report
Portions © 1997 J.G. Smirniotopoulos, M.D. and others.