E 
ELBOW JOINT:
The large joint for the upper extremity, between the distal humerus and the proximal radius and ulna.
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Fx Radius/Ulna
Fx Elbow
ENDOCERVICAL CANAL:
The portion of the uterine cavity that lies within the cervix - the passage that connects the vaginal canal with the main uterine cavity (lumen).
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ENDOTRACHEAL TUBE (ET):
An airway catheter (tube) that is inserted into the trachea to assist breathing and ventilation of the lung. ET tubes are used with mechanical ventilation for critical patients.
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EPIGLOTTIS:
(literally above the glottis)The cartilagenous structure which overhangs the larynx - it acts like a flap valve to prevent food entering the airway when swallowing.
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Epiglottitis
Epiglottitis
EPITYMPANIC RECESS:
The upper portion of the tympanic membrane, above the level of the tympanic membrane.
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ERECTOR SPINEA MUSCLE:
Intermediate muscles of the back that produce extention in the vertebral column. It originates from the sacrum, iliac crest, and spines of the lumbar and eleventh and twelfth thoracic vertebrae, splitting into the iliocostals, longissimus, and spinalis muscles
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ESOPHAGEAL-GASTRIC JUNCTION:
See gastroesophageal junction.
ESOPHAGUS:
The musculomembraneous tube connecting the pharynx to the stomach.
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Esophageal Cancer
ETHMOID SINUS:
The paranasal sinus located within the ethmoid bone, between the orbits, below the brain, and above the nasal cavity.
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EUSTACHIAN TUBE:
A hollow cartilagenous tube connecting the tympanic cavity (middle ear) and the nasopharynx. An open tube can equilibrate the pressure in the middle ear. Yawning opens the tube to allow the ears to "pop!" when changing altitude.
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See also Torus Tubarius
EXTENSION:
An unbending movement around a joint in a limb that increases the angle between the bones of the limb at the joint.
EXTERNAL ACOUSTIC (Auditory) CANAL:
The opening in the external surface of the temporal bone, behind the condyle of the mandible and in front of the mastoid air cells that conducts air and sound toward the tympanic membrane.
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EXTERNAL AUDITORY MEATUS:
The opening for the passage from the external ear toward the tympanic membrane. Also called the External Auditory Canal.
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EXTERNAL ILIAC ARTERY:
Artery which originates from the common iliac and branches into the inferior epigastric and deep circumflex iliac arteries.
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EXTERNAL ILIAC VEIN:
The continuation of the femoral vein, beginning at the level of the inguinal ligament, and joining the internal iliac vein at the sacroiliac articulation to form the common iliac vein.
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EXTERNAL OBLIQUE MUSCLE:
Muscles that run from the lower eight ribs at the costal cartilages to the crest of ilium and linea alba, that are responsible for flexing and rotating the torso and vertebral column.
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Bug Report
Portions © 1997, 2002 J.G. Smirniotopoulos, M.D. and others.