Dictionary

micturition syncope The temporary loss of consciousness upon urinating. See also syncope; vasovagal reaction.

micturition Urination; the act of urinating.

micturate To urinate.

microsomia A body that is too small. A child with microsomia has significant undergrowth.

microscopic Too small to be seen without the aid of a microscope, as opposed to macroscopic. For example, a microscopic tumor is too small to be seen without a microscpe.

microscope, simple A microscope that has a single converging lens.

microscope, fluorescent A microscope that is equipped to examine material that fluoresces under ultraviolet (UV) light.

microscope, electron A microscope in which an electron beam replaces light to form the image. Electron microscopy (EM) has both pluses (greater magnification and resolution than optical microscopes) and minuses (the observer is not really “seeing” objects, but rather their electron densities, so artifacts may be present).

microscope, compound A microscope that consists of two microscopes in series, the first serving as the ocular lens (close to the eye), and the second serving as the objective lens (close to the object to be viewed).

microscope An optical instrument that augments the power of the eye to see small objects. Most optical microscopes today are compound microscopes.

microphthalmia An abnormally small eye. Microphthalmia is a congenital malformation of the globe, a birth defect of the eye. A related term, anophthalmia, indicates that there is no eye at all. Also known as microphthalmos.

microphallus See micropenis.