A rooster, also known as a cockerel or cock, is a male gallinaceous bird, usually a male chicken (Gallus gallus).he term rooster originates in the United States, and the term is widely used throughout North America, as well as Australia and New Zealand. The older terms cock or cockerel, the latter denoting a young cock, are used in the United Kingdom and Ireland.
The bleeding causes swelling of the brain and increased pressure in the skull. The swelling and pressure damage brain cells and tissues. Examples of conditions that can cause a hemorrhagic stroke include high blood pressure, aneurysms, and arteriovenous (ar-TEER-e-o-VE-nus) malformations (AVMs). Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps blood.
1 Aneurysms may be characterized by a severe, pulsing pain in the chest (thoracic aneurysm) or lower back (abdominal aneurysm). 2  Many aneurysms are caused by atherosclerosis, a buildup of fatty plaque in the artery.3  People with certain connective tissue disorders may also be at risk.n aneurysm is a weak spot in the wall of a blood vessel, which can cause the blood vessel to bulge. The most common aneurysms occur in the aorta, the large artery that sends blood from the heart to the rest of the body. A ruptured aneurysm can cause hemorrhaging (severe bleeding), which is often fatal.