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Definition of Leptotene
1. Noun. The first stage of the prophase of meiosis.
Definition of Leptotene
1. Noun. (biology) The first part of the prophase of meiosis, characterized by threadlike chromosomes ¹
¹ Source: wiktionary.com
Definition of Leptotene
1. [n -S]
Medical Definition of Leptotene
1.
Lexicographical Neighbors of Leptotene
Literary usage of Leptotene
Below you will find example usage of this term as found in modern and/or classical literature:
1. Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1916)
"fine threads constituting the leptotene threads, leaving two, still rounded ...
The leptotene threads, in both sections and smears, are seen to persist as ..."
2. The Germ-cell Cycle in Animals by Robert William Hegner (1914)
"These leptotene threads later become paired ... The granules of the leptotene
filaments approach and finally fuse so as to produce single thick threads (Fig ..."
3. The Mechanism of Mendelian Heredity by Thomas Hunt Morgan (1915)
"... theory of crossing over to one rather than to another of these stages; for,
whether the process occurs at the leptotene thread stage as suggested above, ..."
4. An Introduction to Cytology by Lester Whyland Sharp (1921)
"... that the conjugation begins with the association of the leptotene threads
before or during synizesis, continues through the remainder of the prophase, ..."
5. The Physical Basis of Heredity by Thomas Hunt Morgan (1919)
""Whether this twisting represents the original wrapping around each other of the
leptotene threads as they conjugate, or whether it is a new arrangement ..."
6. Contributions by University of Minnesota Dept. of Anatomy (1922)
"A few cells have advanced as far as the leptotene stage. It is now fairly easy
to distinguish between Sertoli cells and spermatogonia. ..."
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