15-13. You are working in a laboratory on an independent study project. You have some epithelial cells from a human growing in a bottle. These cells normally divide throughout life. Before spring break, you replaced the medium (fluid surrounding the cells) with fresh medium and forgot to include any growth factors. Then you went home for spring break. A-1. Now that you have come back after vacation, you will probably find that the cells have (grown normally) (arrested at G1/S) (arrested at S/G2) (arrested at G2/M) (grown much more than usual) AND A-2. When you add the missing growth factor to the medium, the cells will probably start to synthesize (p53) (growth factor receptor) (MPF) (cyclin) (cdk = cyclin dependent kinase) (none of these).
Histology
Histology is the microanatomy method and a branch of biology that studies the anatomy of tissues. It includes viewing tissue in a magnified view under the microscope. Microanatomy also includes the process of study of organs called organology and the study of cells called cytology. Histopathology is a branch of biology that includes microscopic identification of diseased tissue. The field of histology comprises the preparation of the tissues and collection of cells as specimens for examination under the microscope. These processes are done by technicians like histologists, histotechnicians, and biomedical scientists. Histopathology is the diagnosis and research of tissue diseases that require the examination of tissues and/or cells under a microscope. Histopathologists are in charge of determining tissue diagnosis and assisting clinicians in managing a patient's care.
Endocrine System
Human body functions due to the collective work of the organ systems. One of them is the endocrine system. It is a chemical messenger system constituting the hormones directly released by the endocrine glands into the circulatory system. The study of this system is known as endocrinology. The word 'endon' means inside, and 'crine' means secrete, making the word "endocrine."
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