essential thrombocytopenia: the primary form of thrombocytopenia (rather than a shortage of platelets caused by other conditions such as tuberculosis or chemical suppression of bone marrow etc.)
blood dyscrasia: any abnormal condition of the blood
landlord's lien: lien on a tenant's property for the satisfaction of unpaid rent or property damage; the landlord is given the status of a preferred creditor with regard to the tenant's property