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External cephalic version
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.
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Doctor
1. One whose occupation is to treat diseases, particularly a physician, dentist, or veterinarian with an appropriate license. 2. A teacher (particularly at a college or university), a scholar, or one who holds a postgraduate degree (especially a Ph.D. degree). 3. A shaman.
Ultrasound
A diagnostic technique which uses high-frequency sound waves to create an image of the internal organs.
Breech
The buttocks.
Delivery
See drug delivery.
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Extended family
The family group consisting not only the nuclear family (the parents and their children) but also embracing the grandparents, aunts, uncles, cousins, and sometimes more distant relatives.
Extended phenytoin sodium
Extended phenytoin sodium is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): phenytoin sodium.
Extension
The process of straitening or the state of being strait. Extension of the hip and knee joints is necessary to stand up from the sitting position.
Extensor muscle
Any muscle that causes the straightening of a limb or other part.
External consistency
The consistency of a procedure (for example, a rating scale or laboratory test) between sets of data.
External ear
There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The external ear looks complicated but it is functionally the simplest part of the ear. It consists of the pinna or auricle (the visible projecting portion of the ear), the external acoustic meatus (the outside opening to the ear canal), and the external ear canal that leads to the ear drum. In sum, there is the pinna, the meatus and the canal. And the external ear has only to concentrate air vibrations on the ear drum and make the drum vibrate. The external ear is also called the outer ear.
External fixation
A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External fixation is as opposed to internal fixation in which the ends of the fractured bone are joined by mechanical devices such as metal plates, pins, rods, wires or screws.
External jugular vein
The more superficial of the two jugular veins situated on each side of the neck. The other is the internal jugular vein. They drain blood from the head, brain, face and neck and convey it toward the heart.
External radiation therapy
Radiation therapy using a machine located outside the body to aim high-energy rays at a tumor.
External urethral sphincter muscle
A voluntary and involuntary ring-like band of muscle fibers that you voluntarily contract when you want to stop urinating.
Exteroceptive
Pertaining to a sensory organ that registers information from outside the body.
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Engorgement
Swollen and tender breasts, usually beginning between two days and a weekafter childbirth, when a mother's milk comes in. Symptoms usually disappear in a few days when nursing is well established, but breasts can re-engorge during weaning, a sudden nursing strike, or a bout of mastitis, or if the baby's sick.
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
Eccentricity
Angular distance of a point on the retina from the center of the fovea.
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.
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