Falls are the most common cause of traumatic brain injury, and falling poses an especially serious risk for older adults. When a senior sustains a traumatic brain injury in a fall, direct effects of the injury may result in long-term cognitive changes, reduced ability to function and changes in emotional health.
Asexual reproduction is by means of spores produced in sporangia borne on the hyphae. Zygomycota get their name from the production of thick-walled sexual structures called zygosporangia, which can remain dormant for long periods.
1. ascus-saclike structure in which ascospores are formed through sexual reproduction of ascomycetes. reproductive structure-the parts of a plant involved in its reproduction. ascomycete, ascomycetous fungus-any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus.