An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Concept Breadcrumbs

Preferred Term:

prophase

Definition:
The first phase of cell nucleus division, in which the chromosomes become visible, the cell nucleus starts to lose its identity, the mitotic spindle apparatus appears, and the centrioles migrate toward opposite poles.
Concept Schemes:
NALT Core
NALT Full
Broader Concept:
Narrower Concepts:
Entry Terms:
  • zygotene stage
  • leptotene stage
  • diplonema (meiosis)
  • leptonema (meiosis)
  • diplotene stage
  • diakinesis
  • zygonema (meiosis)
URI:
https://lod.nal.usda.gov/nalt/23394
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2012-11-30