pyknosis

Conclusion Cells of rabbit SAN are decreasing with ageing and there is pyknosis and nuclei splitting in old group .

结论兔窦房结组织细胞数随年龄增加而逐渐减少，并且在老年兔组出现核固缩、裂解现象；

From 2 to 4 month afterwards , the number of osteocytes reduced and pyknosis , empty lacunae as well as obliteration of small vessels in periodontal membrane were commonly seen .

2～4月后骨细胞数目减少，核固缩，空虚陷窝增多，牙周膜内小血管闭塞。

One Case of Pyknosis Insufficiency of Ventricular Myocardium with Viral Myocarditis and Literature Review

心肌致密化不全合并病毒性心肌炎1例报告并文献复习

Result : Pyknosis insufficiency of ventricular myocardium tended to appear with viral myocarditis .

结果：心肌致密化不全患者可能易并发病毒性心肌炎。

The nuclei underwent pyknosis . Palliative treatment of the malignant esophagostenosis

30d时，细胞核固缩，细胞消失；恶性食管狭窄的姑息治疗&附26例报告

With the concentration increasing , cell membrane damage and cell nuclei pyknosis occurred , and cell showed star and polygon .

随着浓度的升高，细胞膜损伤，细胞核固缩，细胞呈星形及多边型，出现裸核，甚至可见网状的染色质结构。

Animals in H group showed unclear transverse striation of myocardial fiber and pyknosis in some mitochondria .

H组还表现为心肌纤维横纹模糊，部分线粒体致密化。

Swelling and pyknosis in cytoplasm and karyopyknosis in some cells were found .

胞质肿胀疏松，有的细胞出现核固缩。

Affected cells were pyknosis accompanying marked shrinkage and basophilia .

受感染的细胞明显收缩、致密变化和嗜碱性。

Under electron microscope , lead acetate induced nuclear pyknosis , mitochondrial swelling and vacuolization , cell blebbing .

电镜下观察，乙酸铅能使细胞核固缩，线粒体肿胀、正常结构消失并伴有空泡化，胞内出现鼓泡现象，但内质网未见异常。

Results In the HBO group , the myocardial cells showed mitochondrial swelling , nucleus pyknosis and peri nucleus membranous vacuoles ;

结果HBO组动物心肌细胞线粒体肿胀、细胞核固缩、核周膜性空泡；

Method : One case of pyknosis insufficiency of ventricular myocardium with viral myocarditis was reported , and the features of corresponding diagnosis and treatment were discussed .

方法：结合1例心肌致密化不全合并病毒性心肌炎病例的诊治过程，复习相关文献，探讨心肌致密化不全合并病毒性心肌炎的诊断及治疗特点。

Of or relating to or exhibiting pyknosis .

属于、关于或显示出固缩现象的。

Pyknosis was found in some osteocytes in osteoporosis group . EFFECT OF ZINC DEFICIENCY AND EXCESS ON THE CELL CYCLE AND APOPTOSIS OF MOUSE FETAL LONG BONE CELLS

骨质疏松组部分骨细胞核呈固缩状，形态变长。锌缺乏和锌过量对培养长骨细胞周期和细胞凋亡的影响

Results The TEM showed corneal epithelial cells nuclear chromatin pyknosis , stromal partial colloid fibers rupture , endothelial cells mitochondria turgescence and vacuolization ;

结果射频烧灼后2h，角膜上皮细胞核染色质固缩、基质部分胶原纤维断离、内皮细胞线粒体肿胀、空泡；

The cell membrane fragmentate and nuclear chromatin pyknosis and cell nucleus dissolve and organelles dissolve and cell boundaries disappear when the pathological changes was serious .

内质网扩张，严重时，细胞膜破裂，细胞核染色质固缩，甚至核溶解、细胞器溶解，细胞界限消失。

Nevertheless the subsarcolemmal mitochondria are huge and cluster distributed . Often found myelin figure , pyknosis and swelling mitochondria , which were characters of metabolism dysfunction .

而在肌膜下则分布众多体型较大的线粒体，且线粒体常常出现髓样化、致密化或肿胀等代谢障碍的典型现象。

In the type ⅱ alveolar cells mitochondrial pyknosis , vacuolar degeneration of lamellar bodies , rupture of the cell membrane and escape of the organells .

Ⅱ型肺泡细胞线粒体体积缩小，板层小体空泡变、胞膜破裂，细胞器溢出。

By TEM , plasmolysis and cell nuclear pyknosis were observed prominent in the high G group , the global substance was observed being generated from the supporting cells and type ⅰ hair cells .

透射电镜可见球状物正从型细胞和支持细胞分泌的分泌相，以及细胞质空泡化及核固缩。

Results The morphologic change of nuclei after adding As 2O 3 was observed to show three status ( oval normal nucleus , shrinkage and pyknosis or karyorrhexis ) during apoptotic process .

结果：加入As2O3诱发细胞凋亡，细胞形态改变为卵圆形，细胞核皱缩、固缩或核碎裂凋亡的改变。FI显示细胞核染色质致密程度逐步增加。

In 3 month course group , all the changes above appeared to be more serious with capillarectasia , basement membrane thickened , rod cell nucleus pyknosis and metachromatin condensed .

病程3月组，上述改变加重，毛细血管扩张、基底膜增厚，视杆细胞核固缩、异染色质浓集；

Results : For the neuron , we can find pyknosis of neuron , depolymerization of ribosome , accumulation of lipid droplets and lipofuscin , condensation of chromatin .

结果：在老年组，神经元固缩、核糖体解聚、胞浆内出现大量脂滴及脂褐素颗粒、染色质凝聚。

The major lesions included dissolution of Nissl bodies , pyknosis , and incrustation of neuronal surface in the cerebral cortex , thalamus , hippocampus , cerebellum and spinal cord .

主要病变包括大脑皮质、丘脑、海马、小脑和脊髓的神经细胞尼氏体溶解、核浓缩和细胞表面结痂。

The cell organs were increased in density , and myofibrilla were pyknosis or necrosis , the mitochondrial cristae were decreased . The lysosome and cardionatrin granule were enhanced .

细胞器密度增加，肌原纤维固缩或坏死，线粒体脱嵴，溶酶体和心钠素颗粒增多；

Control group : the reduction in the number of neurons in the hippocampus , contour , arranged in loose structure , cell gap widened , the nucleus has a smaller volume , dyeing depth , a nuclear pyknosis performance .

对照组：海马神经元数目减少，轮廓不清，结构排列松散，细胞间隙增宽，胞核体积变小，染色变深，呈核固缩表现。

Lipid droplet were seen in the osteocytes of the femoral heads of these animals , which compressed the nucleus of the osteocytes and nuclear pyknosis or absent nuclei revealed in these rabbits .

激素治疗组出现脂肪肝，股骨头骨细胞内出现脂滴，并使细胞核受压，核固缩，甚至核消失。

Scleral fibroblastic nuclear chromatin pyknosis , rough endoplasmic reticulum distention , mitochondria turgescence ; Immunoperoxidase staining can help identify the nature of the cells present in the islets of Langerhans .

巩膜成纤维细胞核染色质固缩、粗面内质网扩张、线粒体肿胀；免疫过氧化物酶染色可帮助了解胰岛内细胞的特性。

Whereas in CP + CPABM groups , the tumor cells shrunken with obvious pyknosis , the surface microvillus disappeared , free ribosome reduced notably in cells and mitochondrion in cytoplasm presented vacuolation .

姬松茸复合多糖各剂量+环磷酰胺组可见肿瘤细胞体积变小，细胞核固缩明显，细胞表面微绒毛消失，细胞内游离核蛋白体明显减少，胞质内线粒体空泡变性。

The results showed that ( 1 ) the neurons in the center of the injection region displayed cytoplasmic shrinkage , swelling , nuclear pyknosis , and dislocation at the early stage , and necrosis appeared 3 d after the injection .

结果如下：（1）在OA注射中心区神经元早期出现胞体固缩、肿胀、核移位，在注射3d时细胞破碎，发生坏死，并有大量炎性细胞浸润等病理现象；

Morphological changes , Nissl staining showed that the mice in the experimental model of substantia nigra in the brain scattered pyknosis of neurons , large neurons stained deep , normal control mice in the substantia nigra nerve argument structure is normal .

形态学改变，尼氏染色结果显示模型组小鼠中脑黑质内可见散在固缩的神经元，正常对照组小鼠中脑黑质内神经元结构正常。