Sperm Penetration Assay (SPA) -- A test of the ability of sperm to penetrate a hamster egg that has been stripped of the Zona Pellucida (outer membrane). Also called a Hamster Test.
Sperm Penetration Assay (SPA, Hamster Assay) Since the basic function of a is to fertilize an egg, scientists were very excited when they found that normal could penetrate a denuded (zona-free) hamster egg.
Sperm Penetration Assay (SPA)
A test where sperm are incubated with non-viable hamster eggs to determine the capacity of the sperm to fertilize.
Society for Assisted Reproductive Technology (SART) ...
Sperm penetration assay (SPA)
see Hamster test
Sperm viability
Whether or not the sperm are alive.
Hamster test - A male's sperm are mixed with hamster eggs in a dish and the sperm observed to see how many penetrate the egg (also called Sperm Penetration Assay or SPA).
Hamster test - a test of the ability of a man's sperm to penetrate a hamster egg stripped of its outer membrane, the zona pellucida, Also called Hamster Zona-Free Ovum (HZFO) Test or Sperm Penetration Assay (SPA) Hemizona assay - a ...
In an egg penetration test—sometimes called a sperm penetration assay—a laboratory technician observes how well the sperm are able to penetrate a hamster egg.
The sperm penetration assay (also called the hamster zona-free ovum test or hamster test) checks whether a man's sperm can join with an egg. Sperm are mixed with hamster eggs in a laboratory.
HAMSTER TEST (Also called sperm penetration assay, SPA): A diagnostic test of the ability of human sperm to penetrate a hamster egg that has been stripped of the zona pellucida (eggshell).
Also called SPERM PENETRATION ASSAY (SPA). Hatching:: The process that precedes implantation by which an embryo at the blastocyst stage separates from the zona pellucida.
 See also: Fertility, Mucus, Cervical mucus, Pregnancy, Fallopian tubes
  
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