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.
Sexual Reproduction. At regular intervals depending on species and weather condition, mosses produce small sexual structures known as archegonium (female structure that produces egg cells), or antheridium (male structure that produces sperm cells). These can occur on different parts of the same plant but more often on different plants.