Medical Definition of HYPHA. : one of the threads that make up the mycelium of a fungus, increase by apical growth, and are coenocytic or transversely septate.efinition of HYPHA. : one of the threads that make up the mycelium of a fungus, increase by apical growth, and are transversely septate or nonseptate. â hyÂ·phal \-fÉl\ adjective. See hypha defined for kids. ADVERTISEMENT.
San Marcos, CA Weather. San Marcos, CA climate is warm during summer when temperatures tend to be in the 70's and cool during winter when temperatures tend to be in the 50's.
San Marcos is a North County city and a principal city of the San Diego metropolitan area. As of 2010, the city had a total population of 84,391. Outside the San Diego-Tijuana region, it is best known as the home of California State University, San Marcos.