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| This glossary contains: 19186 medical terms |
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Eccentricity
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Eccentricity Angular distance of a point on the retina from the center of the fovea.
RELATED TERMS--------------------------------------
Retina
A membrane lining the inside of the back of the eye that contains light-sensitive nerve cells that convert focused light into nerve impulses, making vision possible.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Epidural
Anesthesia administered to a laboring mother into the epidural space at the base of the spine to numb the lower body. It decreases or eliminates pain, enabling her to save her strength for pushing. It can numb the lower body entirely, so she's unable to feel contractions when it is time to push out the baby.
Epiglottitis
An inflammation of the epiglottis, the flap of skin that hangs down the back of the throat and covers your windpipe when you swallow food, that can block the windpipe altogether, making breathing difficult. Generally caused by a bacterial infection that can be prevented by the Hib vaccine.
Erythema infectiosum
Last of five childhood diseases to be discovered, including scarlet fever, measles, rubella, and roseola.Mild infection characterized by fever and a bright red rash on the cheeks.
Estrogen
A hormone produced in the ovaries that works with progesterone to, among other things, regulate the reproductive cycle.
External cephalic version
A procedure in which a doctor, using ultrasound images as a guide, attempts to massage a baby out of breech position (feet down) and into a head-down position for delivery.
Eccentricity
Ecological approach
Emphasizes the information which may be available in extended spatial and temporal pattern in the optic array to guide the actions of animals and people and to specify events of importance or interest as opposed to considering information just present in the retinal image.
Edge integration
Describes a model of lightness perception in which a region's lightness is computed by integrating over the contrast edges in an image.
Efferent
Heading away. A system's efferent signals are those exiting to elsewhere. (As opposed to Afferent)
Ehrenstein illusion
A series of radial lines create an illusory circle that appears to be brighter than the background.
Eigengrau
German word for 'intrinsic gray'. When both entire retinal images are stabilized, the observer does not perceive black but a non-descript gray fog.
RELATED TERMS--------------------------------------
Retina
A membrane lining the inside of the back of the eye that contains light-sensitive nerve cells that convert focused light into nerve impulses, making vision possible.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Epidural
Anesthesia administered to a laboring mother into the epidural space at the base of the spine to numb the lower body. It decreases or eliminates pain, enabling her to save her strength for pushing. It can numb the lower body entirely, so she's unable to feel contractions when it is time to push out the baby.
Epiglottitis
An inflammation of the epiglottis, the flap of skin that hangs down the back of the throat and covers your windpipe when you swallow food, that can block the windpipe altogether, making breathing difficult. Generally caused by a bacterial infection that can be prevented by the Hib vaccine.
Erythema infectiosum
Last of five childhood diseases to be discovered, including scarlet fever, measles, rubella, and roseola.Mild infection characterized by fever and a bright red rash on the cheeks.
Estrogen
A hormone produced in the ovaries that works with progesterone to, among other things, regulate the reproductive cycle.
External cephalic version
A procedure in which a doctor, using ultrasound images as a guide, attempts to massage a baby out of breech position (feet down) and into a head-down position for delivery.
Eccentricity
Ecological approach
Emphasizes the information which may be available in extended spatial and temporal pattern in the optic array to guide the actions of animals and people and to specify events of importance or interest as opposed to considering information just present in the retinal image.
Edge integration
Describes a model of lightness perception in which a region's lightness is computed by integrating over the contrast edges in an image.
Efferent
Heading away. A system's efferent signals are those exiting to elsewhere. (As opposed to Afferent)
Ehrenstein illusion
A series of radial lines create an illusory circle that appears to be brighter than the background.
Eigengrau
German word for 'intrinsic gray'. When both entire retinal images are stabilized, the observer does not perceive black but a non-descript gray fog.
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This dictionary contains 19186 terms.
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