As with all Korean family names, the holders of the Hong surname are divided into different patrilineal clans, or lineages, based on their ancestral seat. Most such clans trace their lineage back to a specific founder. This system was at its height under the yangban aristocracy of the Joseon Dynasty, but it remains in use today.
pons. 1. any slip of tissue connecting two parts of an organ. 2. that part of the central nervous system lying between the medulla oblongata and the midbrain, ventral to the cerebellum; see brainstem.. [TA] In neuroanatomy, the pons varolii or pons cerebelli; that part of the brainstem between the medulla oblongata caudally and the mesencephalon rostrally, composed of the basilar part of pons and the tegmentum of pons.
tin (Sn). Definitions: 1. A metallic element, atomic no. 50, atomic wt. 118.710. Synonyms: stannum. The definition information for tin is provided by Stedman's. You can search our medical dictionary here.Stedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students.Medical Dictionary Copyright Â© 2006 Lippincott Williams & Wilkins.tedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students. Medical Dictionary Copyright Â© 2006 Lippincott Williams & Wilkins.