| mastoid process | The nipple-like projection of the petrous part of the temporal bone. Synonym: processus mastoideus, mastoid bone, temporal apophysis. (05 Mar 2000) |
|---|---|
| mastoid sinuses | Numerous small intercommunicating cavities in the mastoid process of the temporal bone that empty into the mastoid or tympanic antrum. Synonym: cellulae mastoideae, mastoid cells, mastoid sinuses. (05 Mar 2000) |
| mastoid wall of middle ear | It contains the opening into the mastoid antrum. Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. (05 Mar 2000) |
| mastoidal | A bony process off the base of the skull that is composed of air cells. Inflammation of the mastoid is known as mastoiditis. (27 Sep 1997) |
| mastoidale | The lowest point on the contour of the mastoid process. (05 Mar 2000) |
| mastoidectomy | Hollowing out of the mastoid process by curretting, gouging, drilling, or otherwise removing the bony partitions forming the mastoid cells. Origin: mastoid (process) + G. Ektome, excision (05 Mar 2000) |
| mastoiditis | <pathology> Inflammation of the mastoid antrum and cells. (18 Nov 1997) |
| mastology | <study> The natural history of Mammalia. Origin: Gr. The breast: cf. F. Mastologie. Source: Websters Dictionary (01 Mar 1998) |
| mastoncus | A tumour or swelling of the breasts. Origin: masto-+ G. Onkos, mass (05 Mar 2000) |
| mastoparans | Basic peptides from wasp venoms. Analogous to melittin in honey bee venom they can act as phospholipase A2 activators, but their relevance to the toxic action of the venoms is not known. (18 Nov 1997) |
| mastoparietal | Relating to the mastoid portion of the temporal bone and to the parietal bone, denoting the suture uniting them. (05 Mar 2000) |
| mastopathy | Any disease of the breasts. Synonym: mazopathy, mazopathia. Origin: masto-+ G. Pathos, suffering (05 Mar 2000) |
| mastopexy | Plastic surgery to affix sagging breasts in a more elevated and normal position, often with some improvement in shape. Origin: masto-+ G. Pexis, fixation (05 Mar 2000) |
| mastoplasia | Enlargement of the breast. Origin: masto-+ G. Plasis, a molding (05 Mar 2000) |
| mastoplasty | Synonym: mammaplasty. Origin: masto-+ G. Plastos, formed (05 Mar 2000) |