pupillary membrane
The pupillary membrane in mammals exists in the fetus as a source of blood supply for the lens. It normally atrophies from the time of birth to the age of four to eight weeks. [ http://en.wikipedia.org/wiki/Persistent_pupillary_membrane ]
Term info
Term relations
Subclass of:
- membranous layer
- ectoderm-derived structure
- part of some iris
- located in some pupil
- part of some embryo