WordNet

a part of the cell containing DNA and RNA and responsible for growth and reproduction (同)cell_nucleus, karyon
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
any histologically identifiable mass of neural cell bodies in the brain or spinal cord
the positively charged dense center of an atom

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Effect of continuous ultrasonic phacoemulsification with anterior chamber maintainer on corneal endothelial damage in hard nuclear cataract.

Chen G1, Wang D, Du Y, Huang H.
European journal of ophthalmology.Eur J Ophthalmol.2015 May-Jun;25(3):198-201. doi: 10.5301/ejo.5000537. Epub 2014 Dec 5.
PURPOSE: To study the effects of continuous ultrasonic phacoemulsification performed with and without an anterior chamber maintainer (ACM) on corneal endothelial damage in patients with hard nuclear cataract.METHODS: Sixty eyes in 60 patients with hard nuclear cataract (grade IV), one lesion per eye
PMID 25588590

Stretch-dependent changes in surface profiles of the human crystalline lens during accommodation: a finite element study.

Pour HM1, Kanapathipillai S, Zarrabi K, Manns F, Ho A.
Clinical & experimental optometry.Clin Exp Optom.2015 Mar;98(2):126-37. doi: 10.1111/cxo.12263.
BACKGROUND: A non-linear isotropic finite element (FE) model of a 29-year-old human crystalline lens was constructed to study the effects of various geometrical parameters on lens accommodation.METHODS: The model simulates dis-accommodation by stretching of the lens and predicts the change in surfac
PMID 25727940

Lipid domains in intact fiber-cell plasma membranes isolated from cortical and nuclear regions of human eye lenses of donors from different age groups.

Raguz M1, Mainali L2, O'Brien WJ3, Subczynski WK4.
Experimental eye research.Exp Eye Res.2015 Mar;132:78-90. doi: 10.1016/j.exer.2015.01.018. Epub 2015 Jan 21.
The results reported here clearly document changes in the properties and the organization of fiber-cell membrane lipids that occur with age, based on electron paramagnetic resonance (EPR) analysis of lens membranes of clear lenses from donors of age groups from 0 to 20, 21 to 40, and 61 to 80 years.
PMID 25617680