The misconception of the blood groove, often associated with swords and knives, likely originated from a misunderstanding of the design and purpose of the fuller, a groove or channel running along the blade. While some believe it serves to prevent blood from clogging the blade, the fuller actually reduces weight and increases strength. This design aids in the balance and maneuverability of the weapon, rather than addressing blood flow. Over time, this misconception has been perpetuated in popular culture and media.
From the misconception that there is a bone in the penis, or from its bone-like rigidity when erect.
The misconception of blood color arises from the fact that oxygenated blood appears bright red when it comes in contact with oxygen, while deoxygenated blood appears darker red when it lacks oxygen. People often think blood is blue inside the body because veins appear blue due to the way light penetrates the skin.
The coronary arteries get their blood directly from the aorta.
Blood cells originate in the bone marrow of the human body.
"Let's groove to the music!" Groove is a word that can actually mean many different things, however it's most common definition is in realtion to music; either as a synonym for dance or as a genre of music. Other uses for the word "groove" originate in metalwork and woodwork: a joinery is a a slot cut parallel to the grain of the wood, a groove is a metalwork technique and a 'tongue and groove' is also another woodwork technique.
Haemoblasts originate in the bone marrow. They are stem cells that give rise to all blood cells in the body, including red blood cells, white blood cells, and platelets.
I think you may mean a knife with a blood groove, as I am not familiar with anything called a blood gage knife. A blood groove is the colloquial name for the hollowed out strip on some knives. You can see it on the KA-BAR USMC fighting knife, for instance. The proper term for that strip is a fuller. Some people call it a blood groove because they think it is to help drain blood away from the tip of the knife when it is used in combat. Really, a fuller just takes some weight away from a heavy knife without reducing the strength of the blade.
Groove Phi Groove was created on 1962-10-12.
The jugular groove on a horse is located on the underside of the neck, running parallel to the jugular vein. It is an indentation that can be palpated to help locate and access the jugular vein for procedures like blood draws or injections.
Aorta
No, blood is never blue. Blood is always red, even before it is exposed to oxygen. The misconception that blood is blue when deoxygenated comes from the way veins appear blue through the skin.
Blood is not actually blue in veins. The misconception that blood is blue in veins comes from the way light interacts with our skin, making veins appear blue. In reality, blood is always red, whether it is in the veins or arteries.