Navigation Links
Tetrapod in Medical News

Ancient fossils shed light on anatomical changes accompanying evolution of first land vertebrates

...said developmental biologist Charles Kimmel, who was the first author on the paper. When they mapped the changes in bone length and width onto the tetrapod family tree, the researchers discovered that not all bones changed size at the same rate or in the same direction. This phenomenon can result in an ov...

Genes Associated With Limb Development is More Primitive Than Believed

...o them. Findings revealed that the activity pattern in the pectoral fins was very much similar to the genes responsible for the development of tetrapod limbs. Tetrapods have a second phase of Hox gene expression that happens later in development. During this second phase, hands and feet develo...

Species Linking Fish And Land Animals Found

...in-to-limb transition. In a second paper in the journal, the scientists describe in depth how the pectoral fin of the fish serves as the origin of the tetrapod limb. Embedded in the fin of Tiktaalik are bones that compare to the upper arm, forearm and primitive parts of the hand of land-living animals. "Most ...
Tetrapod in Biological News

Fossils suggest earlier land-water transition of tetrapod

DURHAM, N.C. -- New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to landlubber. Both extinct species, known as Ichthyostega and Acanthostega, lived an estimated 360-37...

Closing the gap between fish and land animals

...remained between this animal and the earliest true tetrapods (animals with limbs rather than paired fins). Now, new fossils of the extremely primitive tetrapod Ventastega from the Devonian of Latvia cast light on this key phase of the transition. "Ventastega was first described from fragmentary material in...

Scientists find 245 million-year-old burrows of land vertebrates in Antarctica

...kee. The work was funded by the National Science Foundation. Fossils of tetrapod bones from later in the Triassic period have been found in a section of Ant...r an early mammal relative called Thrinaxodon. Burrows, some containing tetrapod bones, have previously been excavated in South Africa, which is considered ...

Academy volunteer wins national paleontology award

...mples of some of the worlds earliest limbed vertebrates, called tetrapods. Among the fossils Rowe discovered at the Red Hill site are an ancient tetrapod that now bears his name, Densignathus rowei; several new species of ancient fishes; rare fossil millipedes and other arthropods; and new species of fo...

Darwin Symposium at Field Museum offers broad overview of his science and its impact

...in will speak at the symposium about the origin of tetrapod limbs. A tetrapod is any vertebrate with four limbs (or four-limbed ...10 AM NEIL SHUBIN, The Field Museum: The Origin of tetrapod Limbs 12:10 2:00 PM Lunch Break 2:00 2:30 ...
Tetrapod in Biological Dictionary

Tetrapod

Tetrapods (Greek τετραποδη tetrapoda, Latin quadruped, "four-footed") are ... The universal tetrapod characteristics of front limbs that bend backward at the ... In coastal engineering, a Tetrapod is a four-legged concrete structure used as armour unit on breakwaters. The Tet...

Vertebrates

...e no vertebrae, but are genetically quite closely related to lampreys,... ... article is about four-limbed vertebrates . For the structure, see tetrapod ... Scientists find 245 million-year-old burrows of land vertebrates in Antarctica ... Animated Science, Health, Technology, Math, Social Studi...
Other Tags
(Date:5/3/2015)... 03, 2015 “ BolehVPN ” was featured ... features the latest and coolest technology products available to consumers. ... conducted the review and shared with viewers how to protect ... these days is on computers and even more so online. ... meet people all over the world. In terms of work, ...
(Date:5/3/2015)... is not too late to register to take part in the ... Been in Arnold, Missouri on May 9, 2015. Family and ... loving memory. It has benefited the renowned Brain Aneurysm Foundation each ... suffered a brain aneurysm . After two operations and five ... designed to serve as a remembrance of her and to help ...
(Date:5/2/2015)... 02, 2015 Vancouver fencing company, QS Fencing, ... valuable advice to prospective clients related to their questions on ... install railings around their decks and patios. While that seems ... pop up once the person rolls up their sleeve to ... a railing in finding a gate that matches it. , ...
(Date:5/2/2015)... 2015 We are pleased to announce ... Center as one of the Top Workplaces of 2015. ... addiction treatment field for their ethics and standards of ... to continue their educational efforts. The Delray Recovery Center ... forgetting their purpose – to help individuals heal from ...
(Date:5/2/2015)... As a nonsurgical staple in the ... neck and décolleté, radiofrequency energy is proving to ... the success of vulvovaginal rejuvenation. In a pilot ... ThermiGyn’s Women’s Health Clinical Advisory Board Chairman Red ... temperature controlled radio frequency, specifically that of ThermiVa, ...
Breaking Medicine News(10 mins):Health News:A Method to Keep Private Information Secure was Featured on NewsWatch Television 2Health News:Renowned Brain Aneurysm Foundation to Benefit from Arnold, Missouri’s 3rd Annual Brain Aneurysm Walk in Memory of Lissa Anne Been 2Health News:Professional Staff at QS Fencing Company Now Provides Advice on Railings and Gates 2Health News:The Delray Recovery Center Named 2015 Top Workplace 2Health News:Study Demonstrates Efficacy of Temperature Controlled Radiofrequency for Vulvovaginal Laxity 2Health News:Study Demonstrates Efficacy of Temperature Controlled Radiofrequency for Vulvovaginal Laxity 3
(Date:3/24/2015)... PALM BEACH GARDENS, Fla. , March 24, ... of biometric identity management solutions, today announced that ... enabling premium clothing accessory retailer Goorin Bros ... login. The Crossmatch biometrics-based solution secures access to ... customers from the increased risk of data breaches. ...
(Date:3/23/2015)... , March 23, 2015   HOYOS Labs ... management company, today announced that the Company will demonstrate ... both enterprise and consumers at Connect:ID on March 23 ... HOYOS Labs will highlight the IEEE Biometric Open ... ; and enterprise access control system. BOPS was ...
(Date:3/23/2015)... OXFORD, Conn. , Mar. 23, 2015 NXT-ID, Inc. ... authentication company focused on the growing mobile commerce market, announces ... a new advertising campaign on CNBC television starting March 30 ... ads will commence airing in New York ... Executive Officer said: "We are excited about our new ad ...
Breaking Biology News(10 mins):Crossmatch Fingerprint Readers Help Retailer Prevent Data Breaches at Point-of-Sale 2HOYOS Labs to Showcase Host of Biometrics Technologies at Connect:ID in Washington, D.C. 2HOYOS Labs to Showcase Host of Biometrics Technologies at Connect:ID in Washington, D.C. 3NXT-ID's Wocket Smart Wallet to Launch New CNBC Regional TV Ad Campaign 2NXT-ID's Wocket Smart Wallet to Launch New CNBC Regional TV Ad Campaign 3
Other Contents