Category: E

  • Eidetic imagery

    The recall of extremely clear pictures in the mind.  

  • Egg cell

    An immature ovum or female cell. Ovum; sex cell (gamete) of the female, which, when fertilized by the male spermatozoon, becomes a zygote.  

  • Efferent vessel

    A vessel which drains lymph from a gland.  

  • Efferent duct

    A duct which carries a secretion away from a gland. One of a group of 12 to 14 small tubes that constitute the efferent ducts of the testis. They lie within the epididymis and connect the rete testis with the ductus epididymidis. Their coiled portions constitute the lobuli epididymidis.  

  • Effective

    Having an effect.  

  • Effect

    A result of a drug, treatment, disease or action. The result of an action or force. Particular effects are listed under the first word. When a specific medication is administered, it elicits a biological response that can have either a limited or extensive reach. The effect is deemed local if it is confined to the…

  • Edwards syndrome

    A severe genetic disorder that results in malformations of the brain, kidney, heart, hands and feet. It is caused by an extra copy of chromosome 18 and those people who have it usually die within six months. A congenital condition stemming from a chromosomal abnormality that results from the existence of three copies (trisomy) of…

  • Edible

    Able to be eaten without causing harm. Suitable for food; fit to eat; nonpoisonous.  

  • Eczematous dermatitis

    An itchy inflammation or irritation of the skin due to an allergic reaction to a substance which a person has touched or absorbed.  

  • Ectromelia

    A congenital absence of one or more limbs. Congenital absence or gross shortening (aplasia) of the long bones of one or more limbs. Hypoplasia of the long bones of the limbs. The inborn lack of a limb or portions of limbs.