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Cancer cells have higher mitotic index because they have a mutation in the DNA so they reproduce uncontrollably and therefore divide faster which means they have a higher mitotic index. ex. In a normal lung tissue, % of cells dividing is 5% while in a cancerous lung the % of cells divding is 25 %

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What are the key differences between normal tissue and cancerous tissue?

Normal tissue and cancerous tissue differ in several key ways. Normal tissue follows a controlled growth pattern, while cancerous tissue grows uncontrollably. Normal cells have specific functions and structures, while cancer cells often lack these specialized features. Additionally, normal tissue responds to signals that regulate growth and division, whereas cancerous tissue ignores these signals. Finally, normal tissue typically remains localized, while cancerous tissue can invade surrounding tissues and spread to other parts of the body.


When cells are not responding to normal controls over growth and division they form tissue mass known as?

When cells are not responding to normal controls over growth and division, they can form tissue masses known as tumors. Tumors can be either benign (not cancerous) or malignant (cancerous).


What are the key differences between cancerous tissue and normal tissue in terms of their cellular structure and behavior?

Cancerous tissue differs from normal tissue in its cellular structure and behavior. Cancer cells grow uncontrollably, invade surrounding tissues, and can spread to other parts of the body. They also have abnormal shapes and sizes, and may have genetic mutations. In contrast, normal cells have a regulated growth cycle, maintain their shape and size, and perform specific functions in the body.


Is a mastectomy a surgical removal of only the cancerous tissue?

Mastectomy is surgical removal of the whole breast. Lumpectomy is surgical removal of only the cancerous tissue.


What are normal results for a cone biopsy?

Numerous studies have indicated that cone biopsy is successful in excising all cancerous tissue in 90% of patients with cervical cancer.


Can dense breast tissue kill you?

Yes if it cancerous and untreated


What is the medical term meaning surgical removal of a breast tumor and a margin of healthy tissue?

Lumpectomy is the medical term meaning surgical removal of a tumor with a margin of healthy tissue. Mastadenoma = benign tumor of the breast. Mastocarcinoma = carcinoma (malignant cancerous tumor) of the breast. Mastectomy = surgical procedure of removing all or part of the breast.


Is abnormal tissue development called hyperplasia?

No, abnormal tissue development is typically referred to as dysplasia. Hyperplasia is the increase in the cell number of a tissue, which can be a normal physiological response or a part of a pre-cancerous change. Dysplasia, on the other hand, refers to the abnormal growth and development of cells within a tissue.


How could you develop a procedure to identify cancerous tissue by counting the number of cells undergoing mitosis?

To develop a procedure to identify cancerous tissue based on the number of cells undergoing mitosis, you could obtain a tissue sample, stain it to highlight mitotic cells, and then count the number of cells undergoing mitosis per unit area using a microscope. An increased number of cells undergoing mitosis may indicate abnormal cell proliferation characteristic of cancer. Further validation through histological analysis and comparison with healthy tissue samples would be necessary to confirm the presence of cancer.


What is the biology definition for Tumor?

Cancerous. The opposite of benign


What does Kaposi mean?

Kaposi's sarcoma is a cancerous tumour of the connective tissue.


How are cervical tissue samples examined for cancer?

The tissue sample will then be examined under a microscope for the presence of cancerous cells.