puncta
Tiny lacrimal openings
Puncta is the plural of punctum, a small point or dot.
In anatomy, puncta most often refers to the tiny openings at the inner corners of the eyelids through which tears drain: The doctor examined her puncta for blockage.
The term appears in medical and scientific contexts for any small pointed structure or spot.
Of tear production
- tear ductEye's fluid drainage channel
- eyelidMovable ocular covering
- drainageLiquid removal system
- conjunctivaMucous membrane lining eyelids
sclera · cornea · ocular · ophthalmology · caruncle · superior · inferior · papilla
Units of tally
- coordinatesLocation-specifying number pairs
- verticesCorner points of shapes
- lociPositions or places
- nodesPoints of connection
intersections · geometry · topology · discrete · set theory · mapping · singular · fixed points
lacrimal
Of tear production
conjunctiva · sclera · cornea · ocular · ophthalmology · caruncle · superior · inferior · papilla · orifice
points
Units of tally
- coordinatesLocation-specifying number pairs
- verticesCorner points of shapes
- lociPositions or places
nodes · intersections · geometry · topology · discrete · set theory · mapping · singular · fixed points · critical
dots
Small circular marks
granules · inclusions · microscopy · staining · tissue · cellular · pathology · biopsy · specimen · cytoplasm
note
Short written record
articulation · rhythm · notation · score · marking · tempo · duration · emphasis · phrasing · dynamics
- punctuation markWritten symbol guiding reading
- puncture woundInjury from piercing object
- puncture resistanceCapacity to prevent piercing
- punctuation errorMisplaced or missing marks
- punctuation rulesGuidelines for textual marks
- lumbar punctureExtracting cerebrospinal fluid diagnostically
puncture, punctuation, compunction, acupuncture, punctuating, punctuated, expunction, punctum, punctuation mark