|
| | |
Blighted ovum
Blighted ovum A fertilized ovum (egg) that did not develop or whose development ceased at an early stage, before 6 or 7 weeks of gestation. On the ultrasound examination of a blighted ovum, only the gestational sac that normally surrounds the embryo can be seen. There is usually no embryo inside the gestational sac.
RELATED TERMS--------------------------------------
Ovum
"Egg; the female reproductive element."
Development
The process of growth and differentiation.
Gestation
The period of bearing a pregnancy from fertilization to delivery.
Ultrasound
A diagnostic technique which uses high-frequency sound waves to create an image of the internal organs.
Embryo
The early stages of development before an organism becomes self supporting.
Sac
"Pouch; a bag-like structure."
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Blastomycosis
Infection with a fungus called Blastomyces dermatitidis. The infection causes symptoms in about 50% of cases. It usually presents as a flu-like illness with fever, chills, productive cough, myalgia, arthralgia and pleuritic chest pain. Some patients fail to recover and develop chronic pulmonary infection or widespread disseminated infection (affecting the skin, bones, and genitourinary tract). It occasionally affects the meninges which cover the brain and spinal cord.
Blasts
"Immature blood cells. Leukemic blasts do not grow and age normally; they proliferate wildly and fail to mature."
Bleb
A bladder-like structure more than 5 mm in diameter with thin walls that may be full of fluid. Also called a bulla.
Blender experiment
See: Hershey-Chase experiment.
Blepharophimosis
Horizontal narrowing of the palpebral fissures (eye slits).
Blighted ovum
Blind
1. Unable to see. Without part or all of the sense of sight.2. In a clinical trial, not to know the treatment given or received. The participant is not told whether they are in the experimental or control arm of the study. Also called masked.
Blinded study
A study done in such a way that the patients or subjects do not know (is blinded as to) what treatment they are receiving to ensure that the results are not affected by a placebo effect (the power of suggestion).
Blindness, legal
See: Legal blindness.
Blindness, night
Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the rods) in the retina.
Blister agent
See: Vesicant.
We thank you for using the Health Dictionary to search for Blighted ovum. If you have a better definition for Blighted ovum than the one presented here, please let us know by making use of the suggest a term option. This definition of Blighted ovum may be disputed by other professionals. Our attempt is to provide easy definitions on Blighted ovum and any other medical topic for the public at large.This dictionary contains 25007 terms. |
|
|
