(Encyclopedia) PachycephalosaurusPachycephalosauruspăkˌĭsĕfˌəlōsôrˈəs [key] [Gr., = thick-headed lizard], bipedal herbivorous dinosaur of the late Cretaceous period, approximately 68–65 million years…
(Encyclopedia) parathyroid glandsparathyroid glandspârˌəthīˈroid [key], four small endocrine bodies, located behind the thyroid gland, that govern calcium and phosphorus metabolism. These four masses…
(Encyclopedia) Pirogov, Nikolai IvanovichPirogov, Nikolai Ivanovichnyĭkəlīˈ ēväˈnəvĭch pĭrōgôfˈ [key], 1810–81, Russian surgeon, b. Moscow. He entered Moscow Univ. at the age of 14 and completed the…
Syphilis: A Sexual Scourge with a Long HistorySexually Transmitted DiseasesIntroductionChlamydia: The Most Common STDGenital HerpesGenital Warts and HPVSyphilis: A Sexual Scourge with a Long…
HEARING APPARATUS OF THE EAR SENSORY HAIRS IN COCHLEA FIND OUT MORE
Our ears allow us to detect sounds, which pass through the air as waves of varying pressure. On reaching the ear, the…
by Catherine McNiff adaptation (n.) Modification of an organism or its parts that makes it more fit for existence under the conditions of its environment: The wombat's long claws are an…
PIERCE, Walter Marcus, a Representative from Oregon; born on a farm near Morris, Grundy County, Ill., May 30, 1861; attended the common schools, Morris (Ill.) Academy, and the University of…
(Encyclopedia) growth hormone or somatotropingrowth hormonesōmătˌətrōˈpən [key], glycoprotein hormone released by the anterior pituitary gland that is necessary for normal skeletal growth in humans (…
2010 Academy Awards | Oscar winners and nominees The 2010 Academy Awards were presented on February 27, 2011, at the Kodak Theatre. All of the nominees are listed below; the Oscar…
The National Women's Hall of Fame is the only national membership organization that honors and celebrates the achievements of American women. Founded in 1969 in Seneca Falls, New York,…
