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.
18. One of the interesting developments of the Baltic languages is the fact that there is no difference made between the verbal form of the third person singular and the third person plural. This general third person form may be a very ancient form, i. e., a pure stem of the verb (root plus the stem vowel, no ending).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.