Search Results for: thorax
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Metamerism
Metamerism Definition Metamerism is the repetition of homologous body segments. This type of development can be seen in the... Read More
Muscular system
Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... Read More
Triploblastic
Triploblastic Definition A triploblastic animal had three main layers of tissue during embryonic development. The central... Read More
Costal arch
Costal arch That portion of the inferior aperture of the thorax formed by the articulated cartilages of the seventh to tenth... Read More
Antecardium
Antecardium --> precordia The epigastrium and anterior surface of the lower part of the thorax. Synonym:... Read More
Acetabulum
Acetabulum (Science: anatomy) The hollow, cuplike portion of the pelvis into which the head of the thigh bone (femur)... Read More
Apertura thoracis superior
Apertura thoracis superior --> superior thoracic aperture The upper boundary of the bony thorax composed of the first... Read More
Lymph nodes
Lymph nodes definition Lymph nodes are small, bean-shaped organs located in different parts of the body and act as... Read More
An introduction to Homeostasis
Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More