They are known as the anterior cranial fossa, middle cranial fossa and posterior cranial fossa. Each fossae accommodates a different part of the brain. The anterior cranial fossa is the most shallow and superior of the three cranial fossae. It lies superiorly over the nasal and orbital cavities.
Benign prostatic hyperplasia: A common, noncancerous enlargement of the prostate gland. The enlarged prostate may compress the urinary tube (urethra), which courses through the center of the prostate, impeding the flow of urine from the bladder through the urethra to the outside. Abbreviated BPH. If BPH is severe enough, complete blockage can occur.
The word tumor is a broad term to identify any growth within the body but has become synonymous with a benign or malignant growth. At times the word neoplasm is used which is essentially a new growth of tissue that has no purpose or function in the body.owever a benign tumor has no physiological function and is therefore considered as an unnecessary growth in the body. A malignant tumor does not have normal cells. These âcancerâ cells are different from normal cells in the following ways 1  : Irregular size of cell and nucleus.