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In zoology, indeterminate growth refers to the condition where animals grow rapidly when young, and continue to grow after reaching adulthood although at a slower pace. [1] It is common in fish, amphibians, reptiles, and many molluscs. [2]
Modular organisms [3] have indeterminate growth forms (life stages not set) through repeated iteration of genetically identical modules (or individuals), and it can be difficult to distinguish between the colony as a whole and the modules within. [4] In the latter case, modules may have specific functions within the colony.
A cell can only be indeterminate (also called regulative) if it has a complete set of undisturbed animal/vegetal cytoarchitectural features. It is characteristic of deuterostomes—when the original cell in a deuterostome embryo divides, the two resulting cells can be separated, and each one can individually develop into a whole organism.
Animal developmental biology (10 C, 98 P) C. Cell culture (6 C, 33 P) Cloning (3 C, 69 P) Developmental biology concepts (3 P) D. ... Indeterminate growth; Ingression ...
These stolon-like rhizomes are long and thin, with long internodes and indeterminate growth with lateral buds at the node, which mostly remain dormant. [citation needed] In potatoes, the stolons [15] start to grow within 10 days of plants emerging above ground, with tubers usually beginning to form on the end of the stolons. [16]
This is called radial cleavage, and also occurs in certain protostomes, such as the lophophorates. Most deuterostomes display indeterminate cleavage, in which the developmental fate of the cells in the developing embryo is not determined by the identity of the parent cell. Thus, if the first four cells are separated, each can develop into a ...
Gordonia, which lived about 254-252 million years ago, was a type of animal called a protomammal - a predecessor of mammals that still retained traits of reptilian ancestors.
It has been hypothesized that Ediacaran organisms such as frondomorphs or medusoids, could be related to fungi or to some other fungal organism (slime molds), due to certain characteristics such as multicellularity, lack of movement, indeterminate growth, osmotrophic feeding and resistance to taphonomic shrinkage (ease of fossilization given by ...