Dehiscence

Part of Speech

Noun

Pronunciation

English: /dɪˈhɪsəns/

Definitions

• (Botany) The splitting or bursting open of a plant structure, such as a seed pod, fruit, or anther, when mature.
• (Medicine) The rupture or reopening of a wound, suture, or surgical incision after closure.

Usage Examples

• The dehiscence of the seed pod allows the plant to disperse its seeds effectively.
• Post-operative care is crucial to prevent surgical wound dehiscence.
• Many flowering plants rely on dehiscence to release pollen during reproduction.

Etymology

From Latin dehiscere ("to gape, split open"), derived from de- ("away, apart") and hiscere (inchoative of hiare, "to gape or yawn"). First used in English in the 17th century.

Synonyms

Splitting, rupture, bursting, opening

Antonyms

Closure, sealing, healing, uniting

Translations

Regional Pronunciation Variations

• UK English: /dɪˈhɪsəns/
• US English: /dɪˈhɪsəns/

Historical Usage

The term "dehiscence" has been used in both botany and medicine since the 17th century. It describes a critical function in seed dispersal and an important medical concern related to wound healing.

Cultural Nuances

In botany, dehiscence is essential for reproduction and species propagation. In medicine, dehiscence represents a serious post-surgical complication that requires immediate care.

More Information

Botanical dehiscence occurs due to mechanical forces, enzyme activity, or environmental conditions that trigger the opening of plant structures. In medical contexts, surgical wound dehiscence can be influenced by factors like infection, poor nutrition, and excessive strain on sutures.