pyknosis

(redirected from pyknotic)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to pyknotic: karyolytic

pyknosis

[pik′nō·səs]
(pathology)
The polymerization and contraction of the nuclear chromosomal components.
References in periodicals archive ?
b, Rare pyknotic nuclei are noted at the interface of viable and necrotic areas.
c-f) transverse histological sections of capsule gland, c) modified cylindrical epithelium of the gonoduct (scale bar = 80 [micro]m), d) glandular tissue with acellular areas and low dye affinity (arrows) (scale bar = 20 [micro]m), e) detail of pyknotic nuclei (arrows) (scale bar = 5 [micro]m), f) prostatic glands on the periphery of capsule gland (scale bar = 70 [micro]m).
Gills: showed severe edema, pyknotic nuclei, hyperplasia, haemolymph cell infiltration as well as thickened and enlarged gill chambers and lamellar sinuses at were observed (FIG.
The observations of present study in group C1 (butter with garlic, four weeks) showed that protective effect of garlic reverted hepatic lobular architecture, but some hepatocytes showed vesicular cytoplasm with pyknotic nuclei, which was in agreement with Sharma et al.
Serious damage occurred in seeds with 16% moisture content, with diminished nuclear area, pyknotic nuclear nucleolus, discontinuously existent nuclear membrane, the mitochondria swelling seriously and becoming to vacuolar structure (Fig.
The ischemia group had numerous pyramidal cells with pyknotic nuclei, lack of nucleolus, and hyperchromatic cytoplasm compared to cells of the control group (Figure 6(b)).
Diazinon induced pyknotic changes in nucleus, ballooning degeneration (fatty changes), periportal inflammation, and Kupffer cells hyperplasia [Figures 18, 19 and 22].
The follicle was regarded as degenerated if it contained a cytoplasmic microvacuolation, pyknotic nucleus, shrunken ooplasm, and/or disrupted granulosa cells (Figure 2C).
001) and were empty looking due to presence of vacuoles in them, the nuclei were darkly stained with clumping of chromatin material and, nucleoli were not clearly evident, indicating pyknotic changes.
The liver sections of rabbits intoxicated with the nitrite showed disturbed lobular architecture and severe degenerative changes characterized by swelling and vacular appearance of hepatocytes with pyknotic nuclei ( Fig.
In some sections of the lucid and granular stratum, the keratinocytes are degenerated (balanoid degeneration) with pyknotic nuclei and eosinophilic and refractile intracytoplasmic inclusions.