Reasons Periods Are Irregular Or Missing. Although the average menstrual cycle is 28 days with 7 days of bleeding, itâs important to remember that this is just an average. Some women may get a period every 3 weeks or every 6 weeks. And the period may last anywhere from 2 days through to 14 days.
Definitions for immunological. Here are all the possible meanings and translations of the word immunological. Princeton's WordNet(0.00 / 0 votes)Rate this definition: immunological, immunologic(adj) of or relating to immunology.
Clinical immunology is the study of diseases caused by disorders of the immune system (failure, aberrant action, and malignant growth of the cellular elements of the system). It also involves diseases of other systems, where immune reactions play a part in the pathology and clinical features.