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n. Botany The spontaneous opening at maturity of a plant structure, such as a fruit, anther, or sporangium, to release its contents.

n. Medicine A rupture or splitting open, as of a surgical wound, or of an organ or structure to discharge its contents.

n. Opening of an organ by its own means (such as an anther or a seed pod) to release its contents.

n. A rupture, as with a surgical wound opening up, often with a flow of serous fluid.

n. Opening, gaping, in a general sense.

n. The act of gaping.

n. A gaping or bursting open along a definite line of attachment or suture, without tearing, as in the opening of pods, or the bursting of capsules at maturity so as to emit seeds, etc.; also, the bursting open of follicles, as in the ovaries of animals, for the expulsion of their contents.

n. A gaping.

n. 2. In botany, the opening of a pericarp for the discharge of the seeds, or of an anther to set free the pollen.

n. In pathol., a bursting open.

n. (biology) release of material by splitting open of an organ or tissue; the natural bursting open at maturity of a fruit or other reproductive body to release seeds or spores or the bursting open of a surgically closed wound

"You will find nothing but blunder and embarrassment result from any endeavour to enter into further particulars, such as "the relation of the dissepiment with respect to the valves of the capsule," etc., etc., since "in the various species of Veronica almost every kind of dehiscence may be observed" (C. under V. perfoliata, 1936, an"

organic phenomenon