adeno-,comb. form|ˈædɪnəʊ|[Gr.ἀδήν gland + -o¹.]Used in Biol.and Med.in terms relating to glands, spec.the adenoids, as adenolymˈphoma n.(pl.-omas, -omata),†(a) a tumour-like enlargement of a lymph node (obs.); (b) a benign encapsulated tumour composed chiefly of lymphoid tissue and usually occurring in the salivary glands of men.1881Syd.Soc.Lex.,*Adenolymphoma, a synonym of Lymphadenoma.1900DorlandMed.Dict.24/1Adenolymphoma, adenoma of a lymph-organ.1966Wright & SymmersSystemicPath.I. xi. 449/1The adenolymphoma is very slowly growing, and presents as a soft, lobulated mass.1974Passmore & RobsonCompan.Med.Stud.III. i. xix. 14/1Adenolymphomata arise from heterotopic salivary gland tissue within lymph nodes in or around the parotid gland, and are rarely malignant.1989Clin.Otolaryngol. XIV. 205/1Adenolymphoma is the second most common tumour of the major salivary glands and arises almost exclusively in the parotid gland.ˌadenomyˈoma n.(pl.-omas, -omata), a non-malignant myoma containing glandular elements, usually occurring in the uterus.1889Cent.Dict.,*Adenomyoma.1904Jrnl.Obstetr.& Gynæcol. V. 251We conclude that we have to deal with an adenomyoma of the uterus, the name adenomyoma denoting a new formation composed of glandular and muscular elements.1978Dis.Colon & Rectum XXI. 259/1Adenomyoma of the stomach is an uncommon lesion.ˌadenosarˈcoma n.(pl.-omas, -omata), a complex sarcoma containing glandular elements.1881Syd.Soc.Lex.,*Adenosarcoma.1895BrooklynMed.Jrnl.IX. 33Dr. Wilson..reported it to be ‘Adeno Sarcoma of rapid growth’.1989Obstetr.& Gynecol. LXXIII. 510/1Müllerian adenosarcoma is a distinctive type of müllerian mixed tumor, consisting of benign-appearing neoplastic glands and a sarcomatous stroma.ˌadenotonsiˈllectomy n., surgical removal of the adenoids and tonsils.1941Dorland & MillerMed.Dict.(ed.19) 52/1*Adenotonsillectomy.1967Jrnl.Laryngol. & Otol. LXXXI. 777Surgeons specializing in E.N.T. since World War II have found themselves the innocent inheritors of an extremely controversial operation, adenotonsillectomy.1987Brit.Med.Jrnl.29 Aug. 541/2 (caption)Early adenotonsillectomy in children with failure to thrive, enlarged tonsils, and associated obstructive apnoea will lead to dramatic improvement in weight gain and general wellbeing.