1. Epithalamus â (âepiâ means upon) the most dorsal part of the. diencephalon; it forms a caplike covering over the thalamus. a. The smallest and oldest part of the diencephalon. b. Composed of: pineal body, habenular nuclei and the caudal. commissure.
The plural of life is lives (pronounced differently from the verb, which is lihvz). Specifically, the words life and lives are nouns. The pronunciation is (lyf) in the s â¦ ingular and (lyvz) in the plural.
There are two types of plural noun forms, regular nouns and  irregular nouns.   A regular plural is a word that forms the plural by adding  an -s or an -es to the end ofâ¦ the word.   An irregular plural is a word that forms the plural in some  other way.