Anteater is a common name for the four mammal species of the suborder Vermilingua (meaning worm tongue) commonly known for eating ants and termites.nteaters are mostly solitary mammals prepared to defend their 1.0- to 1.5-mi 2 (2.6- to 2.9-km 2) territories. Normally, they do not enter a territory of another anteater of the same sex, but males often enter the territory of associated females.
Endocardium (endo-cardium) is the thin inner layer of the heart wall. This layer lines the inner heart chambers, covers heart valves, and is continuous with the endothelium of large blood vessels. The endocardium of heart atria consists of smooth muscle, as well as elastic fibers.
1 The following is true concerning the endocardium. 2  the endocardium can also be called the pericardial sac. 3  the endocardium lines the inner surface of the sac that surrounds the heart. 4  the endocardium is a two-layered structure: the parietal and visceral layers.  the endocardium lines the valves of the heart.