Essential hypertension has no identifiable cause, renal cell carcinoma is a malignant kidney tumor, and a catheter is a tube for fluid withdrawal/giving.
Essential hypertension: elevated blood pressure with no identifiable cause; Renal cell carcinoma: malignant kidney tumor; Catheter: tube for fluid withdrawal/giving; Abscess: collection of pus; Edema: swelling due to fluid in tissues; Diabetes insipidus: inadequate ADH secretion; Stricture: narrowed tube area.
https://brainly.com/question/42952265