Streeter developmental horizon
- Streeter developmental horizon
A
term borrowed from geology and archeology by
Streeter to define 23 developmental stages in young human embryos, from
fertilization through the first 2 months; each horizon spanned 2–3 days and emphasized
specific anatomic characteristics, to avoid discrepancies in the
determination of age and
body dimensions. [G.L.
Streeter]
Medical dictionary.
2011.
Look at other dictionaries:
Streeter — George L., U.S. embryologist, 1873–1948. See S. developmental horizon(s) … Medical dictionary
length — Linear distance between two points. arch l. the amount of space required for the permanent teeth as measured from the mesial aspect of the first molar on one side to the mesial aspect of the first molar … Medical dictionary
