What's the difference between monotrematous and monotreme?

Monotrematous


Definition:

  • (a.) Of or pertaining to the Monotremata.

Example Sentences:

Monotreme


Definition:

  • (n.) One of the Monotremata.

Example Sentences:

  • (1) By contrast, the growth of the oocyte in relation to the follicle in monotremes in linear throughout the whole period of follicular growth.
  • (2) The mammals examined included 3 eutherian, 2 marsupial and a monotreme species and the reptiles 2 saurian, 1 crocodilian and 1 testudine species.
  • (3) Monotreme enamel has been interpreted as representing a structural stage intermediate between that of known multituberculates and extant tribosphenid mammals.
  • (4) No sex difference was observed in any monotreme tissue.
  • (5) The possible role these and the native rodents, marsupials and monotremes would play should an exotic disease of livestock enter Australia is discussed.
  • (6) A dorsal pterygoid element and a ventral ectopterygoid element can be recognised during the development of monotremes, marsupials and eutherian mammals.
  • (7) The ratio of the contents of the two major mammalian ganglioside fractions GD1a and GT1b is generally in the range of 1.0 and even higher; in the heterothermic platypus from the monotremes and in hibernators among the placental mammals, however, it is much lower (about 0.8).
  • (8) Because monotremes and marsupials diverged independently from eutherian mammals, this finding implies that the whole human X short arm region is a relatively recent addition to the X chromosome in eutherian mammals.
  • (9) Several lines of evidence suggest that electroreception has evolved independently in this monotreme.
  • (10) Since marsupials and monotremes diverged independently from eutherians, these data suggest that HSA 21 genes were originally located in two separate autosomal blocks.
  • (11) Here we establish that the platypus, the Australian nocturnal diving monotreme, can locate and avoid objects on the basis of d.c. fields.
  • (12) In monotremes the elements remain distinct and show specialised features, including a hamular cartilage in the ectopterygoid of one specimen of Ornithorhynchus.
  • (13) In order to extend comparative mapping studies to the monotreme mammals (subclass Prototheria), somatic-cell hybrids were obtained between Chinese-hamster cells deficient in hypoxanthine phosphoribosyltransferase (HPRT) and platypus fibroblasts.
  • (14) The amino acid sequence showed approximately 85 differences from mammalian, monotreme and bird myoglobins.
  • (15) There was no ligament of the femoral head in the hip joints of the monotremes, and it is suggested the absence of a ligament may be significant in the development of the cavity.
  • (16) The present study examines the cartilaginous epiphyses and physes from the knee and hip of the rat and the two Australian monotremes (platypus, Ornithorhynchus anatinus and echidna, Tachyglossus aculeatus).
  • (17) A region represented by the short arm of the human X is common to the X in all eutherians, but is autosomal in marsupials and monotremes; thus it was not a part of the original X, and must have been acquired by the X early in the eutherian radiation.
  • (18) The enamel of the fossil monotreme is prismatic and tubular and displays large areas of Pattern 2 prism packing.
  • (19) This estimate agrees well with similar estimates made using alpha- and beta-globin sequences, in contrast to widely differing estimates of dates of divergence for monotremes using the same three globin chains.
  • (20) Xenoantisera directed against human heavy chain isotypes allowed the serological identification of IgM and IgG immunoglobulins in the echidna (Tachyglossus aculeatus), a monotreme which is one of the most primitive species of extant mammals.

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