sphere
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sphere
[sfēr]a three dimensional round body; called also globus. adj., adj spher´ical.
attraction sphere centrosome.
segmentation sphere
1. morula.
2. blastomere.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
sphere
(sfēr),A ball or globular body.
[G. sphaira]
Farlex Partner Medical Dictionary © Farlex 2012
sphere
(sfēr)A ball or globular body.
[G. sphaira]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
sphere
A term commonly used to denote the spherical component of a prescription or of the power of a lens, or even a spherical lens. See spherical lens; prescription.
far point sphere The imaginary spherical surface on which lie the far points of accommodation for all directions of gaze. See far point of accommodation.
near point s . The imaginary spherical surface on which lie the near points of accommodation for all directions of gaze. See near point of accommodation.
far point sphere The imaginary spherical surface on which lie the far points of accommodation for all directions of gaze. See far point of accommodation.
near point s . The imaginary spherical surface on which lie the near points of accommodation for all directions of gaze. See near point of accommodation.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann