CSHL scientists are part of consortium that sequences platypus genome

...eing echidnas, varieties of spiny anteaters). The monotremes diverged from other primitive mammals about 166 mi...ches of skin rather than teats. The fact that monotremes lactate yet lay eggs is only one instance of the f...he RNAi mechanism is conserved by evolution in the monotremes is hardly surprising, given its great power to ena...

Monotremes in Medical Definition

Artificial induction of immunity

... Temporarily-induced immunity See also immunoglobulin . Image:Http://upload.wikimedia.org/wikipedia/commons/f/f2/Platypus.jpg Platypus: monotremes lack placental transfer of immunity Temporary immunity to a specific infection can be induced in a subject by providing the subject with extern...

Monotremes in Biological News

Wildlife Conservation Society supports world's first study of egg-laying mammal

...of the monotremes, a primitive order of mammals that forced zoologists to change their very definitions of what a mammal is. Unlike all other mammals, monotremes like the echidna (also called the spiny anteater) and the better known platypus lay eggs. "All of the time and effort invested in the study has pa...

Marsupial genome reveals insights into mammalian evolution

...t functions and therefore have been conserved for long periods of time. The monotremes split off from other mammals 210 million years ago. The remaining marsupia...s in ancestral mammals. "Understanding the immune system of marsupials and monotremes will help us to conserve our native species," Belov says. ...

Monotremes in Biological Dictionary

Monotremes

Monotremes are mammals that lay eggs (Prototheria) instead of giving birth to live young like marsupials (Metatheria) and placental mammals (Eutheria). Introduces the egg-laying mammals. Monotremes : At top, a mother platypus cares for her immature young. ... The single feature of m...

Placental mammals

...mmals ... Placental Mammal and Reproduction. Most mammals , excepting monotremes and Marsupials, are placental ... Placental Mammals . Click on an i...ing a single pair of ... How are placental mammals , marsupials, and monotremes different? ... do you think growing inside the mother's body is helpful to...

Marsupials

... of as pouched mammals. ... In the past, however, marsupials were quite common. ... Information for students K-6 about mammals, marsupials and monotremes ... Probably the best known marsupials are the koala, kangaroo and possum. ... Marsupial , common name for a group of mammals typically disti...