The spelling of "area vasculosa" has its roots in Latin. In IPA phonetic transcription, it is pronounced ɛəriə væskjuˈloʊsə. The word "area" means a region or space, while "vasculosa" refers to blood vessels. Together, this term typically refers to the outer layer of an avian egg that contains the blood supply for the developing embryo. While the spelling may seem intimidating, it is important for professionals in fields such as embryology to use correct terms for accuracy and consistency.
The term "area vasculosa" refers to a specific region found in the embryonic development of certain organisms, particularly vertebrates. It is a crucial part of the embryonic disc from which the embryo develops.
In vertebrates, such as birds and mammals, during the early stages of development, the embryo is enclosed within three germ layers - the ectoderm, mesoderm, and endoderm. The area vasculosa forms within the mesoderm, specifically in the extraembryonic mesoderm, which surrounds the developing embryo.
The area vasculosa is characterized by an intricate network of blood vessels that penetrate and supply nutrients to the developing embryo. These blood vessels are responsible for transporting oxygen, essential nutrients, and hormones required for proper embryonic growth and development. They also help remove waste products that are generated during this process.
During the early stages of development, the area vasculosa is considered one of the main sources of embryonic blood circulation. As the embryo continues to develop, a more organized circulatory system forms, with larger blood vessels and a heart that assume the role of supplying the growing fetus with oxygen and nutrients.
In summary, the area vasculosa is a significant region in embryonic development, particularly in vertebrates, where blood vessels form within the mesoderm. Its function is to provide essential nutrients and oxygen to the developing embryo before the establishment of a fully functional circulatory system.
The part of the a. opaca when the first blood-vessels appear.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "area vasculosa" is derived from Latin. "Area" means "area" or "region", and "vasculosa" means "vascular". In the context of embryology, "area vasculosa" refers to a specific region in the avian embryo where blood vessels develop.