The wall of the heart is composed of three distinct layers. 2. The outermost layer, the epicardium, is made up of connective tissue and epithelium, and houses blood and lymph capillaries along with coronary arteries. 3. The middle myocardium consists of cardiac muscle and is the thickest layer of the heart wall. 4. The inner endocardium is smooth and is made up of connective tissue and epithelium, and is continuous with the endothelium of major vessels joining the heart. a. The endocardium houses Purkinje fibers.
Lithuanian is the official language of Lithuania and is spoken by about 4 million native speakers. The language belongs to the Baltic branch of the Indo-European family. Researchers of Indo-European languages say Lithuanian is the most archaic of all the living Indo-European tongues.
5. One of the most striking and important features of the phonological patterns preserved so well in Lithuanian 11 up to this very day is the so-called ablaut (also known as vowel alternation, vowel gradation, apophony, etc., i.e.. Mod. English: sing, sang, sung: -i-, -a-, -u-; Mod.odern Lithuanian is remarkable for its conservatism of pitch accent, inflection and retention of formal distinctions, especially in the substantive. The word for 'son' s n us is like that in Sanskrit, s n s; eiti 'he goes' has undergone fewer changes than has Latin it.