epiglottis tonguelike covering of the glottis during swallowing Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>>
epiglottis: a thin flap of tissue that folds over the opening to the mammalian trachea during swallowing and prevents food from entering the trachea. Full article >>>
epiglottis A thin flexible structure, made of cartilage with a leaf-like shape, which guards the entrance to the larynx (the glottis) and prevents food material from entering the trachea during swallowing. Full article >>>
internal nostrils and epiglottis are descended from a common ancestor (red arrow) that is also the ancestor of all land-living vertebrates (including ourselves!). Full article >>>
(Date:8/20/2008)...in treatments which contain codeine may be risky f...rchers at The University of Western Ontario, and t...o.,Lead author Dr. Gideon Koren published researc...utics which suggests that the codeine used in som...even fatal results for infants when ingested by so...
(Date:8/20/2008)...ite popular theories to the contrary, early humans... many predators. , "Humans are no more born to b...Sussman, Ph.D., professor of anthropology at Washi...d version of the controversial book "Man the Hunte...he soft cover book, released in July by Westview P...
(Date:8/20/2008)...re for Addiction and Mental Health (CAMH) is proud...by the Canada Foundation for Innovation (CFI) into...rvention, treatment and prevention of mental illne... , This funding from the Large-Scale Institution... Fund will allow CAMH to leverage our scientific s...
(Date:8/19/2008)...es to unravel gonadotrophs , Although the basi...is known, it has been harder to associate specific... the limited cell population. In an article on p. ...production , Feng et al. take the approach of comp...l lines that were immortalized at different stages...
...primary strategies for regulating its genome is a ...all molecules called microRNAs, or miRNAs. First o...ar to inactivate messenger RNA, itself responsible...ave been eager to know more about miRNAs, clearly ...ing gone unnoticed for so long. How are they produ...
...esults from a study in Botswana, Harvard School of...with HIV-1 subtype C in resource-poor settings, wh...e comparable results to those in the developed wor...and infrastructure help ensure this success, accor...he Journal of Acquired Immune Deficiency Syndromes...
... pathogens, the Chlamydiae know us very, very well...cells half a billion years ago by reprogramming ce...amydial infections are responsible for a range of ...typical pneumonias to chronic severe disorders suc...is. The Centers for Disease Control says that Chla...
...rch reported this week in Current Biology, tsunami... the 2004 Sumatra-Andaman earthquake was occasiona...larly when compared to damage from chronic human m...he tsunami of December 26, 2004, a team of ecologi...rvation Society-Indonesia Program, and Syiah Kuala...