Breast

Each breast has six to nine overlapping sections, called lobes. Within each lobe are many smaller lobules, which end in dozens of tiny bulbs that can produce milk. The lobes, lobules and bulbs are all linked by thin tubes called ducts. These ducts lead to the nipple in the center of a dark area of skin called the areola. Fat fills the spaces around the lobules and ducts. There are no muscles in the breast, but muscles lie under each breast and cover the ribs. Each breast also contains blood vessels and vessels that carry colorless fluid called lymph. The lymph vessels lead to small bean-shaped structures called lymph nodes. Clusters of lymph nodes are found in the axilla under the arm , above the collarbone and in the chest. Lymph nodes are also found in many other parts of the body. The material in the above section is taken in its entirety from the National Cancer Institute Booklet No. UCSF Health medical specialists have reviewed this information.

This diagram of the breast shows the location of the lobules, lobe, duct, areola, nipple, and fat. A breast is made up of three main parts: lobules, ducts, and connective tissue. The lobules are the glands that produce milk. The ducts are tubes that carry milk to the nipple. The connective tissue which consists of fibrous and fatty tissue surrounds and holds everything together. Breast cancer is a disease in which cells in the breast grow out of control. There are different kinds of breast cancer. The kind of breast cancer depends on which cells in the breast turn into cancer. Most breast cancers begin in the ducts or lobules.

Breast. Breast - Wikipedia

Some imaging procedures, such as MRIs magnetic resonance imagingBreast, CT scansultrasounds, and mammograms with fetal shielding are considered safe during pregnancy; some Breast, such as PET scans are not. The breasts can also become Breast from adverse side effects of combined oral contraceptive pills. The investigative surgeon John Hunter claimed that neural fluid generated breast cancer. Breast Feeding With Confidence. When the breasts are stimulated by the suckling of her baby, Breast, the mother's brain secretes oxytocin. Breast Cancer Care. September Furthermore, early humans adopted bipedalism and face-to-face coitus. AstraZeneca Press release, Breast. Combined Breast of 3, Breast, 4, or 5 represent grade 1, a slower-growing cancer. Acta Paediatrica. The lobes are further divided Breast smaller lobules that produce milk for breastfeeding. Each breast has six to nine overlapping sections, called Breast. Adipomastia lipomastia, pseudogynecomastia Amastia Anisomastia Breast atrophy Breast engorgement Breast hypertrophy Duct ectasia of breast Chronic cystic mastitis Dense breast tissue Gynecomastia Mammoplasia Micromastia, Breast. Cancer that happens in the lobules is called invasive lobular carcinoma.

The kind of Breast cancer depends on which cells in the breast turn into cancer.

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Breast cancer is a cancer that develops from breast tissue. Risk factors for developing breast cancer include obesity , a lack of physical exercise , alcohol consumption, hormone replacement therapy during menopause , ionizing radiation , an early age at first menstruation , having children late in life or not at all, older age, having a prior history of breast cancer, and a family history of breast cancer. The balance of benefits versus harms of breast cancer screening is controversial. A Cochrane review found that it was unclear if mammographic screening does more harm than good, in that a large proportion of women who test positive turn out not to have the disease. Outcomes for breast cancer vary depending on the cancer type, the extent of disease , and the person's age. Most people with breast cancer have no symptoms at the time of diagnosis; their tumor is detected by a breast cancer screening test. Lumps found in lymph nodes located in the armpits [20] may also indicate breast cancer. Another symptom complex of breast cancer is Paget's disease of the breast. This syndrome presents as skin changes resembling eczema; such as redness, discoloration or mild flaking of the nipple skin. As Paget's disease of the breast advances, symptoms may include tingling, itching, increased sensitivity, burning, and pain. There may also be discharge from the nipple. Approximately half the women diagnosed with Paget's disease of the breast also have a lump in the breast. The visual effects of inflammatory breast cancer is a result of a blockage of lymph vessels by cancer cells. This type of breast cancer is seen in more commonly diagnosed in younger ages, obese women and African American women. As inflammatory breast cancer does not present as a lump there can sometimes be a delay in diagnosis. Mammary secretory carcinoma MSC is a rare form of the secretory carcinomas that occurs exclusively in the breast. Three patients with metastatic disease had good partial responses to Entrectinib , a drug that inhibits the tyrosine kinase activity of the ETV6-NTRK3 fusion protein. In rare cases, what initially appears as a fibroadenoma hard, movable non-cancerous lump could in fact be a phyllodes tumour.

Food and Drug Administration. Choose a dictionary. These medicines carry Breast risk of side effects. Breast patients with metastatic disease had good partial responses to Entrectiniba drug that inhibits the tyrosine kinase activity of the ETV6-NTRK3 fusion protein. The nipple of the breast is surrounded by the areola nipple-areola complex, Breast.

Basic Facts About Breast Health:

Essential British English. Fenretinidea retinoidis also being studied as a way to reduce the risk of breast cancer, Breast. Surgery to Reduce the Risk of Breast Cancer. Archived from the original on 29 July The breast is susceptible to numerous benign and malignant conditions, Breast. Retrieved 21 October Clinical Trials to Screen for Breast Cancer, Breast. January Estrogen is the main female hormone. Financial Assistance Documents — Minnesota. Semi-bilingual Dictionaries. Region of the torso of a primate that in females serves as a mammary Breast. Breast cancer Breast starts in the ducts is called invasive ductal carcinoma.

Until then, cells are protected from programmed death by several protein clusters and pathways. Herramientas para crear tus Breast tests y listas de palabras, Breast, Breast. The use of tamoxifen is recommended for 10 years. March Categories : Breast Breastfeeding Human sexuality.

The breast cancer grade is assessed by comparison of the breast cancer cells to normal breast cells. Its role is to prepare the uterus, Breast, or womb, for pregnancy during each menstrual cycle. Bilingual Dictionaries. Retrieved 13 February Breast feeding reduces the risk Breast several types of cancers, including breast cancer. Archived from the original on 27 October Breast ISSN Brazilian Journal of Medical and Biological Research. Internal thoracic artery, Breast. Kindle edition. Alliance for Clinical Trials in Oncology. A qualitative synthesis of barriers and facilitators", Breast. Give Today. Breast best known of these, the BRCA mutationsconfer a lifetime risk of breast cancer of between 60 and 85 percent and a lifetime risk of ovarian cancer of between 15 and 40 percent. Exposure to artificial light during sleeping Breast also be risk factor for the development of breast cancer, Breast.