A diaphragm is a silicone, cup-like object that you insert into your vagina to cover your cervix. Diaphragms must be used in conjunction with spermicide, which is a sperm-killing gel. A diaphragm ...

Plication of the diaphragm is performed for paralysis or eventration (abnormal elevation/shape) of the diaphragm which can result in breathing difficulties. Diaphragm paralysis is typically due to ...

LORD KELVIN'S very interesting problem concerning molecules which differ only in their power of passing a diaphragm (see NATURE ... at the temperature of the experiment, when this relation for ...