hemocytometer

简明释义

英[/ˌhiːmoʊˈsaɪtəˌmɪtər/]美[/ˌhiːmoʊˈsaɪtəˌmɪtər/]

n. 血球计；血细胞计数器（同 haemocytometer）

英英释义

单词用法

同义词

反义词

例句

1.Cell Numbers were counted using the hemocytometer.

并使用血球计数盘来对细胞进行计数。

2.Cell Numbers were counted using the hemocytometer.

并使用血球计数盘来对细胞进行计数。

3.The accuracy of a hemocytometer 血细胞计数板 can be affected by proper dilution of the sample.

样品的适当稀释会影响hemocytometer 血细胞计数板的准确性。

4.In microbiology, a hemocytometer 血细胞计数板 is essential for determining cell concentration in cultures.

在微生物学中，hemocytometer 血细胞计数板对于确定培养物中的细胞浓度至关重要。

5.The hemocytometer 血细胞计数板 allows for precise cell counting under a microscope.

使用hemocytometer 血细胞计数板可以在显微镜下精确计数细胞。

6.To count the number of red blood cells, researchers often use a hemocytometer 血细胞计数板 in their laboratory.

为了计算红细胞的数量，研究人员常常在实验室使用hemocytometer 血细胞计数板。

7.Before performing cell viability assays, scientists prepare samples using a hemocytometer 血细胞计数板.

在进行细胞活力测定之前，科学家使用hemocytometer 血细胞计数板准备样品。

作文

The study of blood cells is fundamental in the field of medicine and biology. One of the essential tools used for this purpose is the hemocytometer, a specialized instrument designed to count and analyze blood cells. The hemocytometer (血细胞计数器) allows researchers and healthcare professionals to obtain precise measurements of various types of blood cells, including red blood cells, white blood cells, and platelets. This information is crucial for diagnosing diseases, monitoring health conditions, and conducting research. A hemocytometer consists of a thick glass microscope slide that has a grid etched into its surface. This grid provides a defined area for counting cells under a microscope. When a blood sample is placed on the hemocytometer, it fills the chamber by capillary action. The user then examines the sample through a microscope, counting the number of cells within a specified area of the grid. By applying a simple mathematical formula, they can calculate the concentration of cells in the original sample. The accuracy of the hemocytometer depends significantly on the user's technique. Proper dilution of the blood sample is critical to ensure that the cells are not too crowded or too sparse, which could lead to inaccurate counts. Additionally, the user must be skilled in identifying different types of cells, especially when counting white blood cells, which can vary significantly in size and shape. In clinical settings, the hemocytometer is often used to perform complete blood counts (CBC), which provide valuable information about a patient's overall health. For instance, abnormal levels of red blood cells can indicate anemia, while elevated white blood cell counts may suggest an infection or inflammation. Moreover, the hemocytometer can be employed in research laboratories to study cellular responses to various treatments or environmental factors. Despite advancements in technology, the hemocytometer remains a vital tool in both clinical and research environments. Automated cell counters have been developed to enhance efficiency and reduce human error; however, they can be expensive and require regular maintenance. The hemocytometer, on the other hand, is relatively inexpensive and easy to use, making it accessible for many laboratories, especially in developing regions. In conclusion, the hemocytometer (血细胞计数器) is an indispensable instrument in the fields of medicine and biology. Its ability to provide accurate cell counts plays a crucial role in diagnosing diseases and conducting research. While technology continues to evolve, the hemocytometer remains a fundamental tool that combines simplicity with effectiveness, ensuring that healthcare professionals can continue to monitor and understand blood health accurately.