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.

sphere

(sfēr),
A ball or globular body.
[G. sphaira]

sphere

(sfēr) ball or globe; a three-dimensional round body.spher´ical

sphere

[sfir]
a globe-shaped object, theoretically generated by a circle revolving on a diameter as its axis.

sphere

(sfēr)
A ball or globular body.
[G. sphaira]

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.

sphere

a ball or globe.

attraction sphere
centrosome.
segmentation sphere
1. the morula.
2. a blastomere.