A tubular structure in the body that transports blood, consisting of arteries and veins, and is essential for circulating nutrients and oxygen to various tissues.
A network of conduits within an organism that facilitates the movement of blood throughout the body, differentiated into arteries, veins, and capillaries during development.
A channel within the circulatory system that serves to connect the heart to different parts of the body, playing a crucial role in maintaining overall physical health by delivering essential substances to cells.
Example:
切れた血管から血がどくどくと流れ出た。
A type of blood vessel that connects arteries and veins, characterized by its extremely small diameter, allowing for the exchange of substances and gases between blood and surrounding tissues.
A network of tiny blood vessels that permeates various tissues throughout the body, enabling the transfer of nutrients, oxygen, and waste products at the cellular level.
The smallest branches of the circulatory system, playing a crucial role in facilitating the interactions between blood and the cells of organs and tissues.
Example:
ちなみに、魚のえらが真っ赤であるのは、肺と同じように「毛細血管」が多く集まっているからである。
The biological process by which new blood vessels are formed from existing ones, playing a crucial role in growth, development, and healing in organisms.
A physiological mechanism that occurs in response to various factors, including injury or hypoxia, allowing tissues to receive adequate blood supply.
The intricate regulatory system that governs the development of vascular networks, essential for supplying oxygen and nutrients to cells and removing waste.
脳に血液を供給する血管のことで、脳の機能や健康に重要な役割を果たしております。
脳内の血流を維持し、栄養や酸素を運ぶための血管で、脳血管障害などの健康リスクに関連します。
A medical condition that affects the blood vessels in the brain, leading to disruptions in blood flow and resulting in potential damage to brain tissue.
A health disorder that encompasses various conditions arising from problems with the blood supply to the brain, potentially causing strokes or other neurological impairments.
A category of diseases characterized by abnormal blood flow in the brain, which may manifest as stroke or transient ischemic attack, often requiring urgent medical attention.
A condition marked by issues with cerebral circulation, which can result in cognitive and physical disabilities due to the influence on brain function.