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相关概念视频

Uterus and Cervix01:18

Uterus and Cervix

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The uterus, commonly called the womb, is a vital reproductive organ in females designed to provide a nurturing environment for the implantation and growth of an embryo. It is shaped like a hollow pear and positioned between the urinary bladder and the rectum. The uterus's structure allows it to support and protect a developing fetus throughout pregnancy.
The uterus is securely anchored within the pelvic cavity by paired broad ligaments on either side. It is further stabilized by three pairs...
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Vesicular Tubular Clusters01:45

Vesicular Tubular Clusters

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After budding out from the ER membrane, some COPII vesicles lose their coat and fuse with one another to form larger vesicles and interconnected tubules called vesicular tubular clusters or VTCs. These clusters constitute a compartment at the ER-Golgi interface known as ERGIC (Endoplasmic Reticulum Golgi Intermediate Compartment). The ERGIC is a mobile membrane-bound cargo transport system that sorts proteins secreted from ER and delivers them to the Golgi.
With the help of motor proteins such...
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Ureters01:22

Ureters

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The ureters are retroperitoneal tubes located on either side of the vertebral column. They are responsible for transporting urine from each kidney to the urinary bladder. These tubes have thick walls and are approximately 25-30 cm long. Their diameter is around 10 mm at the renal pelvis, gradually narrowing to 1 mm as the ureter obliquely enters the posterior bladder wall through the ureteric orifices. The shape of these orifices is slit-like, which helps to prevent urine backflow toward the...
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Structure and Organization of Smooth Muscles01:13

Structure and Organization of Smooth Muscles

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Smooth muscle tissue is a type of muscle tissue that can be found lining various vital organs in the human body, including the lungs, blood vessels, digestive tract, and respiratory tract. This type of tissue is responsible for regulating the movements of these organs, playing crucial roles in the functioning of various systems, including the vascular, digestive, respiratory, and urinary systems.
Structure of smooth muscle cell
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Uterine Tubes01:16

Uterine Tubes

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The uterine or fallopian tubes function as the conduit through which oocytes travel from the ovaries to the uterus. Each fallopian tube measures approximately 10 to 13 cm long and is anatomically divided into the infundibulum, ampulla, isthmus, and interstitial part (or intramural segment). The infundibulum is characterized by its funnel shape and features extensions called fimbriae which reach towards the peritoneal cavity. These fimbriae play a critical role during ovulation as they extend...
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Histology of the Uterus01:19

Histology of the Uterus

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The uterine wall consists of three histological layers: the perimetrium, myometrium, and endometrium. The outermost perimetrium is a thin, serous membrane connected with the broad ligament on the sides, which helps anchor the uterus in the pelvic cavity. The thickest layer, myometrium, is mainly made up of smooth muscle tissue bundles. Its contractions are vital in facilitating the expulsion of the uterine lining, fetus, and placenta during menstruation and childbirth.
The endometrium is the...
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相关实验视频

Updated: Jul 10, 2025

Three-dimensional Organotypic Cultures of Vestibular and Auditory Sensory Organs
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乌特里库拉里亚中的syncytia:起源和结构

Bartosz J Płachno1, Małgorzata Kapusta2, Piotr Świątek3

  • 1Department of Plant Cytology and Embryology, Institute of Botany, Faculty of Biology, Jagiellonian University in Kraków, Kraków, Poland. bartosz.plachno@uj.edu.pl.

Results and problems in cell differentiation
|November 23, 2023
PubMed
概括

称为syncytia的多核细胞对于植物发育至关重要. 乌特里克拉里亚 (Utricularia syncytia) 是独特的异体细胞结构,包含母体和父体遗传物质,在胚胎发育过程中起到重要的食物功能.

关键词:
膀上发生了.肉食植物 肉食植物细胞融合是细胞的融合.精子内膜是精子内膜的组成部分.

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科学领域:

  • 植物生物学 植物生物学
  • 细胞生物学 细胞生物学
  • 发育生物学是发展生物学.

背景情况:

  • 多核细胞 (syncytia和coenocytes) 对于植物和动物的本体生殖和繁殖至关重要.
  • 虽然coenocytes通过细胞突变而没有细胞动力学形成,但syncytia通过细胞细胞融合 (fuso-morphogenesis) 形成.
  • 植物合成体,与动物合成体不同,更为广泛,通常具有食物营养功能,除了像关节状状体这样的例外.

研究的目的:

  • 总结了Utricularia物种中syncytia的组织学,体内化学和超结构分析.
  • 为了研究Utricularia syncytia独特的异体细胞性质.
  • 阐明这些结构的食用作用和进化意义.

主要方法:

  • 组织学分析分析 组织学分析
  • 组织化学分析.
  • 超结构分析 超结构分析

主要成果:

  • 乌特里库拉里亚 (Utricularia syncytia) 是异细胞体,含有来自母体胞性营养组织 (胎盘) 和内精子体的核.
  • 这些结合体包含母系和父系遗传物质.
  • 在Utricularia部分,syncytia是高度活跃的热带结构,具有过度缩的细胞核,细胞壁内生长和广泛的细胞骨架,仅存在于胚胎发育期间.

结论:

  • 乌特里库拉里亚 (Utricularia syncytia) 代表了一种独特的进化适应,用于在植物胚胎发生过程中提供营养.
  • 这些合成细胞的异体细胞性质突出显示了植物中遗传物质整合的独特机制.
  • 这些发现有助于理解植物王国内的专门的食用结构.