heteromorphic

(redirected from heteromorphism)
Also found in: Dictionary, Medical.

heteromorphic

, heteromorphous Biology
1. differing from the normal form in size, shape, and function
2. (of pairs of homologous chromosomes) differing from each other in size or form
3. (esp of insects) having different forms at different stages of the life cycle

heteromorphic

[¦hed·ə·rō′mȯr·fik]
(cell and molecular biology)
Having synoptic or sex chromosomes that differ in size or form.
(medicine)
Differing from the normal in size or morphology.
(zoology)
Having a different form at each stage of the life history.
References in periodicals archive ?
Differently from our results, this author found a significant heteromorphism in the NOR staining in all Cichlidae species analyzed, even in metaphases from the same individual.
In all species, there is heteromorphism between X and Y chromosomes.
This might be related to partial heteromorphism of experiential and semantic knowledge of emotions, found in earlier studies of Estonian lexicon of emotion (Vainik 2006).
Plants that possess seed heteromorphism are ideal study organisms for learning about the evolution of reproductive strategies because seed functions, such as dispersal and germination, often vary with seed morphology (e.
It also suggests that these fissures may provide the basis for an increasing heteromorphism within the university sector--a heteromorphism which might be obscured following the dissolution of the binary divide between universities and polytechnics, and recent categorizations of universities into 'old' and 'new'.
Silver-staining and heteromorphism of chromosomal nucleolus organizer regions in North American cyprinid fishes.
Variation in the centromeric position, resulting in acrocentric/subtelocentric heteromorphism, is particularly often found in the two largest autosomal pairs (Ivanitskaya et al.
Floral heteromorphism and structural features of the pollen tube pathway.
More detailed genetic studies are planned to address both the evolution of hybrid sterility and sperm heteromorphism in these subspecies.
Convergent evolution of cleistogamy and seed heteromorphism in two perennial grasses.