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.
Definition of life for English Language Learners. : the ability to grow, change, etc., that separates plants and animals from things like water or rocks. : the period of time when a person is alive.