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polarity
(redirected from cell polarity)

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
polarity /po·lar·i·ty/ (pah-lar´ĭ-te) the condition of having poles or of exhibiting opposite effects at the two extremities.
po·lar·i·ty (p-lr-t, p-)
n.
1. The property of having two opposite poles, such as those possessed by a magnet, or of having opposite properties or characteristics.
2. The direction or orientation of positivity relative to negativity.

polarity
[pōler′itē]
Etymology: L, polus
1 the existence or manifestation of opposing qualities, tendencies, or emotions, such as pleasure and pain, love and hate, strength and weakness, dependence and independence, and masculinity and femininity. The concept is central to various psychotherapeutic approaches, such as client-centered therapy, in which the key to self-actualization lies in accepting polarity within oneself.
2 (in physics) the distinction between a negative and a positive electric charge.

polarity [po-lar´ĭ-te]
the condition of having poles or of exhibiting opposite effects at the two extremities.

polarity,
n an eclectic, holistic therapy developed by Randolph Stone, based on traditional Asian health care systems. The polarity practitioner determines the energy imbalance in an individual and restores balance to the energy poles in the body with gentle techniques including gentle rocking, stretching, and touch.

polarity
the condition of having poles or of exhibiting opposite effects at the two extremities.

cell polarity
a feature of epithelial cells which defines an apical surface facing the outside which is separated by a tight junction from the basolateral surface.


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67-69 From a pathologist's perspective, in biopsy specimens that show cytologic atypia in the form of hyperchromatic nuclei, pseudostratification, increased mitoses and mucin depletion, the lack of an abrupt transition from atypical to nonatypical epithelium, and the presence of surface maturation, combined with a lack of significant nuclear pleomorphism, atypical mitoses, and loss of cell polarity, are helpful features in distinguishing regeneration from true dysplasia.
25 Hardcover QH491 This well-illustrated undergraduate text, which includes access to a student web site, emphasizes ligand receptor interactions as the primary mode of intercellular communications during development, as well as the primary roles of cell polarity and non-equivalent cell divisions in differential gene expression.
 
 
 
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