Diminished or absent ability to conceive and bear offspring. A couple is considered to be experiencing infertility if conception has not occurred after 12 months of sexual activity without the use of contraception. Infertility can have many causes and may be related to factors in the male, female, or both. Treatments can include medications and assisted reproductive technologies.
To penetrate. For example, a cancer may grow into, or infiltrate, surrounding tissues.
- Infiltrating ductal carcinoma of the breast
One of several recognized specific patterns of breast cancer that begins in the cells that form the ducts of the breast. The most common form of breast cancer, it may appear as a smooth-edged lump in the breast. On physical examination, this lump usually feels much harder or firmer than benign lumps in the breast.
- Infiltrating lobular carcinoma of the breast
The second most common invasive breast cancer. Infiltrating lobular carcinoma starts in the lobules, the glands that secrete milk, and then infiltrates surrounding tissue. Lobular carcinoma can occur in more than one site in the breast or in both breasts at the same time (a bilateral lobular carcinoma).
A localized reaction that produces redness, warmth, swelling, and pain as a result of infection, irritation, or injury. Inflammation can be external or internal.
- Inflammatory bowel disease
A group of chronic intestinal diseases characterized by inflammation of the bowel — the large or small intestine. The most common types of inflammatory bowel disease (IBD) are ulcerative colitis and Crohn disease. Crohn disease favors the ileum (the lower part of the small intestine) but can occur anywhere along the intestinal tract while, by […]