The first stage of mitosis

• The first stage of meiosis

Wiktionary Word definitions in Wiktionary
n. 1 the first stage of mitosis, during which chromatin condenses to form the chromosomes 2 the first stage of meiosis

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1884, from German prophase (Strasburger, 1884); see pro- + phase .

WordNet Word definitions in WordNet
n. the first stage of meiosis the first stage of mitosis

Wikipedia Word definitions in Wikipedia
Prophase (from the Greek πρό, "before" and φάσις, "stage"), is a stage of mitosis in which the chromatin condenses into double rod-shaped structures called chromosomes in which the chromatin becomes visible. This process, called chromatin condensation , ...