A fertile egg must be kept at a temperature of at least 85Â°F for several hours in order for the blastodisc to begin developing into an embryo. This fertile egg has been kept at the proper incubation temperature for 24 hours. This fertile egg has been kept at the proper incubation temperature for 2 days.
This section is about. Ophthalmic Procedures. The word pseudophakia refers to the situation in which the natural lens of an eye has been replaced with a plastic implant lens located at approximately the position previously occupied by the natural lens.
What Is Pseudotumor Cerebri? Pseudotumor cerebri (PTC) also known as idiopathic intracranial hypertension is a disorder of elevated spinal fluid pressure in the brain. PTC is a condition important to recognize because it may lead to progressive loss of vision over time â which may be permanent. Read more about pseudotumor cerebri in the Johns Hopkins Health Library.