Blood vessel structure and function boundless anatomy. Based on their structure and function, blood vessels are classified as either arteries, capillaries, or veins. Blood vessels are flexible tubes that carry blood, associated oxygen, nutrients, water, and hormones throughout the body. Larger arteries and veins contain small blood vessels within their walls known as the vasa vasorumliterally vessels of the vesselto provide them with this critical exchange. The liver is classed as a gland and associated with many functions. Bone provides nurturing microenvironments for an array of cell types that coordinate important physiological functions of the skeleton, such as energy metabolism, mineral homeostasis, osteogenesis, and haematopoiesis. The kidneys are at the back of the abdominal cavity, with one sitting on each side of the spine. Structure and function of blood vessels anatomy and. Blood vessel structure and function questions and study.
Blood vessels blood vessels form a closed system of tubes that carry blood away from the heart, transport it to the tissues of the body, and then return it to the heart table 21. Full text of on the motion of the heart and blood in animals. Structure and functions of blood vessels and vascular niches in bone article pdf available in stem cells international 2017. Structure and functions of blood vessels and vascular niches in. Blood vessel classification into arteries and veins in retinal images. Each has a slightly different structure that allows to function in a unique way. Full text of on the motion of the heart and blood in animals see other formats. Structure and function of blood vessels structure and. This video describes the structure and function of blood vessels.
Blood vessels consist of arteries, arterioles, capillaries, venules, and veins. The importance of blood vessels in bone was initially recognised by surgeons during repair and healing of bone fractures 6, 7. Please use one of the following formats to cite this article in your essay, paper or report. It is difficult to give a precise number, as the organ is still being explored, but it is thought that the liver. Your venous system is a network of veins that carry blood back to your heart from other organs. Particular reference is made to the synthesis of a number of factors now known to be involved in maintenance of the integrity of the vessel wall and the. Describe the structure and function of each major type of blood vessel. Since the pressure within arteries is relatively high, the vasa vasorum must function in the outer layers of the vessel or the pressure exerted by the blood passing through the vessel would collapse it, preventing any exchange from occurring. The blood vessels are the components of the circulatory system that transport blood throughout.
Start studying blood vessel structure and function. The mentioned features often provide enough information to successfully classify a vessel as artery or vein. The function and structure of each segment of the peripheral vascular system vary depending on the organ it supplies. Blood vessel introduction blood vessels may be one of the most important tissues examined due to their ubiquitous and extensive presence in every organ. However, in many cases they do not suffice for the. The capillaries connect the two types of blood vessel and molecules are exchanged between the blood and the cells across their walls. How the circulatory network helps to fuel the entire body. Blood vessels form an integral part of the skeletal system playing multiple roles in the maintenance of bone homeostasis. It is a part of the video lecture series for my bio 108 class at dyouville college. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Bio 110 blood vessel structure, function and circulation. Differentiate among the structure of arteries, veins, and capillaries. Some structures such as cartilage, the epithelium, and the lens and cornea of the eye do.
Endothelial cells form an intricate network of blood vessels that organises and sustains various microenvironments in bone. It focuses upon the multifunctional roles of endothelium and smooth muscle cells. The right kidney is generally slightly smaller and lower than the left, to make space for the liver. Blood vessel structure and function boundless anatomy and. Eventually, the smallest arteries, vessels called arterioles, further branch into tiny capillaries, where nutrients and wastes are exchanged, and then combine with other vessels that exit capillaries to form venules, small blood vessels that carry blood to a vein, a larger blood vessel that returns blood to the heart. Arteries and arterioles carry blood away from the heart figure 1, figure 2, and figure 3. Structure and functions of blood vessels and vascular. Vessel networks deliver blood to all tissues in a directed.
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