General Metabolism during Gastrulation!
Gastrulation is the most active phase of morphogenetic activities of different types of blastomeres during which there are complex or intense chemical processes in the cells which affect both their metabolising and their fine structure.
This essay provides information about the Regeneration!
Regeneration is an excellent ability of the adult tissue to repair any damage done to the body by autotomy i.e., voluntary separation of a part of the body, and accidental injury in nature or imposed by man under experimental conditions.
The Classification of Mammalian Placenta!
According to the modes of distribution, pattern of the villi, and the degree of intimacy established between the foetal and maternal tissues, following types of placentae have been recognized:
Methods of Cell Centrifugation: Differential and Gradient Differential Centrifugation!
Cell organelles such as nuclei, mitochondria, etc., can be removed from the cell and separated from each other by centrifugation, which is done in a centrifuge Before centrifugation, cells are first disrupted either by grinding tissue in a mortar or homogenization in ground glass or exposure to sonic vibrations.
Cell: Essay on the History of the Cell!
The word Cell Biology (Cytology) is a Greek word—kytos means hollow vessel or cell, and logous means to discourse, i.e., it deals with the study of cells from morphological, physiological, biochemical, cytochemical, genetical and developmental points of views.
Some of the essential functions of Endoplasmic Reticulum are as follows:
Here is your essay on the microscopy!
In olden times, due to non availability of any kind of microscope, only macroscopic structures of an organism were studied. Later, owing to the invention of magnifying lenses, the world of microscopic dimensions was discovered.
Brief Notes on the History of Mitochondria!
Distributed in the matrix of cell are various particles of different sizes called cytoplasmic constituents or organelles. They include rounded, globular, filamentous or granular mitochondria, elongated secretory particles of Golgi apparatus, network of endoplasmic reticulum, plastids, centrosomes and lysosomes. Besides these, vacuoles and metaplastic bodies are also present in certain plant cells.
Myopathies or muscular dystrophies in children are mainly caused due to chromosomal gene mutation unlike other Myopathies occurring in adults it doesn’t affect the central or peripheral nervous system.
Detection of pregnancy testing by using the immunological methods.