How Do You Spell CONTRACTILE COLLODIUM?

1. Contractile collodium is a term used in biology to describe a specialized proteinaceous sheath that surrounds certain single-celled organisms, especially certain flagellated protozoa. This unique structure is composed of contractile elements that allow the organism to rapidly change its shape and size in response to environmental stimuli. The term "collodium" refers to the gelatinous and membranous nature of this sheath, which resembles a thin, elastic layer.

   The contractile collodium plays a vital role in the locomotion and survival of these organisms. It facilitates their movement by providing structural support, stability, and elasticity to the cell. The contractile nature of the collodium allows the organism to contract and expand, leading to changes in its overall shape and volume. This flexibility allows the organism to easily pass through narrow openings and crevices, evade predators, and capture food.

   Furthermore, the contractile collodium has been observed to provide protection against environmental stresses such as desiccation and extreme temperatures. By contracting and forming a tightly sealed capsule around the cell, it helps the organism survive adverse conditions.

   The contractile collodium is an essential feature of various groups of protozoa, including certain flagellates and ciliates. Its structure and function have been the subject of extensive research in the field of cell biology and protistology in order to understand the mechanisms underlying the locomotion and adaptation of these remarkable organisms.

2. Iodoform-collodion; a 5 per cent. solution of iodoform in flexible collodion, employed locally.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for CONTRACTILE COLLODIUM