The sacrum is composed of five vertebrae, which are fused together to make a triangular bone. Where the lowest lumbar vertebra and the sacrum join, there is a great potential for damage to occur, because this part of the lumbosacral spine is subject to a lot of twisting movements that put...
trunk, sacrum, tail) are largely determined byHox(homeobox) regulatory genes, early in development. So changes of vertebral identity intimate changes of genetic controls. Crocodylia don’t normally add a trunk vertebra to their sacrum,
I was not sure which were the lumbar vertebrae but I had a good guess because I wondered if they were the part of the lower back because that is where the lumbar pillows that are sold as decorative pillows sit against your back, and I was right!
Criteria, the plural form ofcriterion, means 'standards of rules.' This word has origins in the Greek language.Phenomena, the plural of the Greekphenomenon, is another example of plural usage. Her uppervertebrae were crushedin the accident. The singular of the Latin-derivedvertebraeisvertebra." ...
What is foramen in bone? A foramen (plural foramina) isan opening or hole through tissue, usually bone. It allows nerves and blood vessels to travel from one side of the tissue layer to the other. Foramina are primarily found in the skull; others are located in the vertebrae, long bones...
Oat (n.) A well-known cereal grass (Avena sativa), and its edible grain; -- commonly used in the plural and in a collective sense. Oat (n.) A musical pipe made of oat straw. Oatcake (n.) A cake made of oatmeal. Oaten (a.) Consisting of an oat straw or stem; as, an oa...
For the rest of this book I will use the term technium where others might use technology as a plural, and to mean a whole system (as in "technology accelerates"). I reserve the term technol- ogy to mean a specific technology, such as radar or plastic polymers. For example, I would ...
is thataxisis an imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry) whileaxlesis plural of axle. As a proper nounAxis is the alliance (in effect before and during World War II) of Germany, Italy, Japan, and several mino...
) A narrow passage; esp., a contracted part of a stream, lake, or sea; a strait connecting two bodies of water; -- usually in the plural; as, The Narrows of New York harbor. Narrowed (imp. & p. p.) of Narrow Narrowing (p. pr. & vb. n.) of Narrow Narrow (v. t.) To ...