appendicular
51Histoire Évolutive Des Mammifères — Reconstitution d un Thrinaxodon, un membre du groupe des cynodontes qui inclut les ancêtres des mammifères. Selon la théorie de l évolution, les mammifères sont issus des synapsides (des reptiles mammaliens) selon un processus graduel qui a pris… …
52Histoire évolutive des mammifères — Reconstitution d un Thrinaxodon, un membre du groupe des cynodontes qui inclut les ancêtres des mammifères. Selon la théorie de l évolution, les mammifères sont issus des synapsides (des reptiles mammaliens) selon un processus graduel qui a pris… …
53mammal — mammallike, adj. /mam euhl/, n. any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg laying monotremes, giving birth to… …
54skeletal system, human — ▪ anatomy Introduction the internal skeleton that serves as a framework for the body. This framework consists of many individual bones (bone) and cartilages (cartilage). There also are bands of fibrous connective tissue the ligaments (ligament)… …
55Artery — A vessel that carries blood that is high in oxygen content away from the heart to the farthest reaches of the body. Since blood in arteries is usually full of oxygen, the hemoglobin in the red blood cells is oxygenated. The resultant form of… …
56Colic — An attack of crying and apparent abdominal pain in early infancy. This is a common condition, occurring in about 1 in every 10 babies. Colic is characterized by episodes of irritability, loud crying, and what appears to be abdominal pain with the …
57Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… …
58girdle — A belt; a zone. A structure that has the form of a belt or g.. SYN: cingulum (1) [TA]. [A.S. gyrdel] Hitzig g. SYN: tabetic cuirass. Neptune g. a wet pack applied around the abdomen. pectoral g. [TA] the incomplete bony ring, formed by the… …
59lymph node — One of numerous round, oval, or bean shaped bodies located along the course of lymphatic vessels, varying greatly in size (1–25 mm in diameter) and usually presenting a depressed area, the hilum, on one side through which blood vessel s enter and …
60part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See …
