Dictionary » I » Involution



noun, plural: involutions

(1) (biology) Reverting of the uterus and other genital organs to the pre-pregnant size and state following childbirth.

(2) (embryology) The inward movement of an expanding outer layer of cells, thereby forming a dorsal lip in animal gastrulation.

(3) (physiology) The progressive, retrograding or degenerating changes in a senescing (aging) body; catagenesis.

(4) (medicine) Shrinking of an organ.

(5) (general) Turning or rolling inward; enfolding.


Word origin: Latin involutio, from volvere (to roll).

Related form(s): involute

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Bio Research Paper Writing

... stem cell pool especially in the Thymus which is a central component that produces diferentiated immune cells of all types. This problem of thymus involution is also forcibly induced by viruses as a means of evading detection by the immune system. There is severe atrophy of the thymus in adult ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
Forum: General Discussion
Topic: Bio Research Paper Writing
Replies: 3
Views: 18488


... Pasteur and Antoine B├ęchamp, it will begin to ferment. This fermentation produces the acids it needs to continue its evolution, de-evolution, involution, namely lactic and citric acids. The red blood cells begin to decompose. All the above things happen and what you end up with is nothing ...

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by Skytroll
Tue Dec 20, 2005 5:05 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6245703

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