transitional layer

  • 21Epithelium — The outside layer of cells that covers all the free, open surfaces of the body including the skin, and mucous membranes that communicate with the outside of the body. By contrast the endothelium is the layer of cells lining the closed internal… …

    Medical dictionary

  • 22United Nations — 1. an international organization, with headquarters in New York City, formed to promote international peace, security, and cooperation under the terms of the charter signed by 51 founding countries in San Francisco in 1945. Abbr.: UN Cf. General… …

    Universalium

  • 23Fossil — For other uses, see Fossil (disambiguation). Three small ammonite fossils, each approximately 1.5 cm across …

    Wikipedia

  • 24Urethra — Gray s subject #256 1234 Artery Inferior vesical artery Middle rectal artery Internal pudendal artery Vein …

    Wikipedia

  • 25Evidence of common descent — The wide range of evidence of common descent of living things strongly indicates the occurrence of evolution and provides a wealth of information on the natural processes by which the variety of life on Earth developed, supporting the modern… …

    Wikipedia

  • 26Evolution of mammals — Restoration of Thrinaxodon, a member of the cynodont group, which includes the ancestors of mammals Further information: Evolutionary history of life The evolution of mammals within the synapsid lineage (sometimes called mammal like reptiles )… …

    Wikipedia

  • 27Nigeria — Nigerian, adj., n. /nuy jear ee euh/, n. a republic in W Africa: member of the Commonwealth of Nations; formerly a British colony and protectorate. 107,129,469; 356,669 sq. mi. (923,773 sq. km). Cap.: Abuja. Official name, Federal Republic of… …

    Universalium

  • 28List of Statutory Instruments of the United Kingdom, 1996 — This is a complete list of all 2071 Statutory Instruments published in the United Kingdom in the year 1996. NOTOC 1 100* Insurance Companies (Pension Business)(Transitional Provisions) (Amendment) Regulations 1996 S.I. 1996/1 * Sea Fishing… …

    Wikipedia

  • 29Somalia — Somalian, adj., n. /soh mah lee euh, mahl yeuh/, n. an independent republic on the E coast of Africa, formed from the former British Somaliland and the former Italian Somaliland. 9,940,232; 246,198 sq. mi. (637,653 sq. km). Cap.: Mogadishu.… …

    Universalium

  • 30Dacian bracelets — Dacian gold bracelet, dated to 1st century BC – 1st century AD, from Sarmizegetusa Romania [1][2] …

    Wikipedia