peristome
noun
peri·stome ˈper-ə-ˌstōm 
1
: the fringe of teeth surrounding the orifice of a moss capsule
2
: the region around the mouth in various invertebrates
peristomial
ˌper-ə-ˈstō-mē-əl
adjective 
Word History
Etymology
New Latin peristoma, from peri- + Greek stoma mouth — more at stomach entry 1
First Known Use
1799, in the meaning defined at sense 1
Medical Definition
peristome
noun
peri·stome ˈper-ə-ˌstōm
: the area surrounding the mouth or cytostome of a protozoan
- supraphylar
- supraposition
- supraprotest
- suprapygal
- suprarational
- suprarenal
- suprarenal gland
- suprarenalectomies
- suprarenalectomyes
- suprarenalectomys
- suprarenalin
- suprarenals
- suprascapula
- suprascript
- suprasegmental
- suprasegmental phoneme
- suprasensuous
- suprasolar
- supraspecies
- suprasquamosal
- suprastapedial
- suprasternale
- suprastigmal
- suprastigmatal
- supratemporal