Medical Definition of Spirem
1. Spireme Term formerly applied to the first stage of mitosis (prophase) when extended chromosome filaments have the appearance of a loose ball of yarn, on the incorrect supposition that the filaments were continuous and later broke apart to form individual chromosomes. Origin: G. Speirema, a coil 1 (05 Mar 2000)
Lexicographical Neighbors of Spirem
Literary usage of Spirem
Below you will find example usage of this term as found in modern and/or classical literature:
1. Fecundation in Plants by David Myers Mottier (1904)
"RESTING NUCLEUS AND DEVELOPMENT OF CHROMATIN spirem. Soon after the last nuclear
division ... consists of a complicated spirem or thread with short turns. ..."
2. Fecundation in Plants by David Myers Mottier (1904)
"In this stage the linin net consists of a complicated spirem or thread with short
turns. The chromatin granules have attained a more uniform size, ..."
3. Anatomy, Descriptive and Applied by Henry Gray (1913)
"The nuclear network of chromatin filaments assumes the form of a twisted skein
or spirem, while the nuclear membrane and nucleolus disappear. ..."
4. Sexual Reproduction and the Organization of the Nucleus in Certain Mildews by Robert Almer Harper (1905)
"... the characteristic bulbous-based, spine-like appendages are not yet present.
A relatively long period now ensues, leading up to the spirem stage in the ..."
5. Botanical Gazette by University of Chicago, JSTOR (Organization) (1916)
"FORMATION OF BIVALENTS With close observation during early spirem, the double
nature is still discernible, although it is rare that the two halves separate ..."
6. The American Naturalist by American Society of Naturalists, Essex Institute (1905)
"The two threads gradually fuse so that in older stages of synapsis the nucleus
appears to contain a single relatively thick spirem which is shorter and more ..."