At low concentration of zn, the changes in ultrastructure were nuclei deformation, chloroplast swelling and disorder of thylakoid arrangement ; serious damages in ultrastructure caused by greater zn stress were indicated by scattered nucleoli, condensed chromatin, almost empty nuclei with nuclear membrane disrupted and nucleoplasm flowing into cytoplasm, swollen and partly dissolved cristae of mitochondria, disrupted and collapsed chloroplast envelopes, and some dissolved thylakoids that flew into cytoplasm
超微結構的變化也呈現加重趨勢,低濃度處理的變化為細胞
核變形、葉綠體膨脹、類囊體排列紊亂;嚴重的超微結構的損傷是
核仁散開、染色質凝集,細胞
核幾乎成為空
核和
核膜破裂,
核質散出;線粒體脊突膨脹和部分溶解;葉綠體膜斷裂、消失和部分類囊體溶解和散到細胞質中。
Prokaryotes lack organelles such as nucleoli, mitochondria, plastids, golgi apparatus, and do not exhibit cyclosis
原
核生物無細胞器,如
核仁、線粒體、質體、高爾基體等,不出現胞質環流。
Cells take diverse shapes. these are epithelial cords of block - like cells. as always, nucleoli and nuclear heterochromatin stain darkly with hematoxylin
不同形態的細胞。這些是立方細胞排列成的上皮索狀結構。總之,
核仁與細胞
核中的異染色質被蘇木精染成深色。
Two people went out to eat a kind of food called jackfruit. it s a kind of fruit that has spines outside and looks very ugly. it s this fat and this big with many seeds and sweet knobby flesh inside
有兩個人一起出去吃東西,這種東西叫做波羅蜜,波羅蜜是外面有刺的一種很醜的水果,這樣那麼胖那麼大一粒,然後裏面有很多
核仁,
核仁外麵包有很甜的果肉。
In rare cases, mild nuclear pleomorphism, prominent nucleoli and mitotic figures may be seen
少數病人可見多形性胞
核、突起的
核仁和有絲分裂像。
The nuclei are monomorphic with inconspicuous nucleoli. the nuclear chromatin has somewhat granular appearance. mitotic actiity is not increased. ( same case as preious 2 illustrations )
瘤細胞
核形態單一,
核仁不明顯。
核內染色質呈顆粒狀表現。有絲分裂活性未見增強。
Effects of glucocorticoid on nucleolar organizer region of regenerating hepatocytes in female rat
糖皮質激素對雌性大鼠再生肝細胞
核仁組織區的影響
The meristematic nuclei in wheat nodule - like were very large and rounder, a nucleus generally possessed a nucleolus, some nucleoli had nucleolar vacuoles but only a nucleolus usually had a nucleolar vacuole
摘要在小麥類根瘤中,分生細胞
核很大,而且較圓整,一般為一個
核仁,有的
核仁還有
核仁泡,但通常一個
核仁只有一個
核仁泡,染色質較少,呈團塊狀分佈。
Conversely, however, it may be an underestimate, since cell division is faster in the fetus and neonate than in the adult and since the gene most often mutated in dc, dkc1, seems to have a nucleolar as well as telomeric function
然而,相反地, ( 10年)可能是一種低估,因為在胎兒和嬰兒中,細胞分裂快于在成人中,還因為在dc 、 dkc1中經常突變的基因,似乎有
核仁和端粒的功能。
At the onset of mitosis, prophase, the nucleolus breaks down.
有絲分裂的開始稱為前期,
核仁消失。
Chromosomes 6 and 7 were both nucleolus organizing chromosomes.
第6和第7染色體兩者是組成
核仁的染色體。
These cells do not have prominent nucleoli
這些細胞的
核仁不顯著。
Prominent nucleoli are not seen
核仁不明顯。
The nuclei are large, irregular, hyperchromatic, and show prominent nucleoli
細胞
核大、不規則、
核濃染,
核仁清晰明顯。
Its nucleus was located in the concave of chloroplast and nucleolus occurs for a short period
細胞核位於葉綠體凹窩中,核仁存在時期很短。