ribbon fern: fern of North Africa and Azores and Canary Islands
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
dilation and curettage: a surgical procedure usually performed under local anesthesia in which the cervix is dilated and the endometrial lining of the uterus is scraped with a curet; performed to obtain tissue samples or to stop prolonged bleeding or to remove small tumors or to remove fragments of placenta after childbirth or as a method of abortion