A secondary headache is a symptom of a disease that can activate the pain-sensitive nerves of the head. Any number of conditions â varying greatly in severity â may cause secondary headaches. Possible causes of secondary headaches include: Acute sinusitis. Arterial tears (carotid or vertebral dissections)
The fallopian tube is a crucial structure involved in successful reproduction and, like with all structures in the human body, sometimes problems occur that hinder the structure's ability to function properly.
1 Also called the womb, the uterus is where a developing fetus resides during pregnancy. 2  Fallopian tubes-Uterine tubes which transport egg cells from the ovaries to the uterus. 3  Fertilization typically occurs in these tubes. 4  Ovaries-Female primary reproductive structures that produce gametes and sex hormones.