Non-native, aggressive plant species that spreads quickly in a new habitat, harming the native ecosystems.

(Of asci) Having a pore, not a lid, at the apex of the ascus, through which the spores are shot.…

The ovary is positioned below the base of the flower parts. The old, remnant flower parts, or scar, will be…

The death or sloughing off of small areas of tissue or bone, caused by insufficient circulation or lack of blood…

Radiographic study of the urinary tract using injected dye.

Radio-graphic study of the renal pelvis and ureter using injected dye.

Incurable or resistant to treatment.

Pertaining to the groin.

Premature painless dilation of the cervical os during pregnancy.

An antigen (i.e., a substance capable of stimulating an immune response).