Stress (biology)
Stress is an organism’s response to a stressor such as an environmental condition or a stimulus. Stress is a body’s way to react to a challenge. According to the stressful…
Stress is an organism’s response to a stressor such as an environmental condition or a stimulus. Stress is a body’s way to react to a challenge. According to the stressful…
A condom is a barrier device commonly used during sexual intercourse to reduce the probability of pregnancy and spreading sexually transmitted diseases. It is put on a man’s erect penis…
Vasectomy is a surgical procedure for male sterilization and/or permanent birth control. During the procedure, the vasa deferentia of a man are severed, and then tied/sealed in a manner such…
The vas deferens, also called ductus deferens, is part of the male anatomy of many vertebrates; they transport sperm from the epididymis in anticipation of ejaculation.
Birth control, also known as contraception and fertility control, refers to methods or devices used to prevent pregnancy. Planning and provision of birth control is called family planning. Safe sex,…
Toxic shock syndrome (TSS) is a potentially fatal illness caused by a bacterial toxin. Different bacterial toxins may cause toxic shock syndrome, depending on the situation. The causative bacteria include…
Spinach (Spinacia oleracea) is an edible flowering plant in the family of Amaranthaceae. It is native to central and southwestern Asia. It is an annual plant, which grows to a…
Anencephaly is a cephalic disorder that results from a neural tube defect that occurs when the rostral (head) end of the neural tube fails to close, usually between the 23rd…
Menorrhagia is an abnormally heavy and prolonged menstrual period at regular intervals. Menorrhagia can be caused by abnormal blood clotting, disruption of normal hormonal regulation of periods, or disorders of…
In the developing chordate, the neural tube is the embryo’s precursor to the central nervous system, which comprises the brain and spinal cord. The neural groove gradually deepens as the…