838334004: Ablepharon of bilateral eyelids (disorder)

SNOMED CT Concept\Clinical finding (finding)\...

\Finding of head and neck region\Head finding (finding)\...

\Finding of head region\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Eyelid finding\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Eyelid finding\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Eyelid finding\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Finding of head region\Finding of face\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)

\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)

\Eye / vision finding\Eyelid finding\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Eyelid finding\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Eyelid finding\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Eye / vision finding\Visual system disorder\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)

\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of body system\Visual system disorder\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of body system\Visual system disorder\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of body system\Visual system disorder\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of ocular adnexa (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of face (disorder)\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Disorder of face (disorder)\Disorder of eyelid\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of visual system\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of face (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of right eyelid (disorder)\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Congenital anomaly of left eyelid\Ablepharon of bilateral eyelids (disorder)
\Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of ocular adnexa (disorder)\Congenital anomaly of eyelid\Ablepharon\Ablepharon of bilateral eyelids (disorder)

Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2021. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module

3896506010 Ablepharon of bilateral eyelids (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

3896507018 Ablepharon of bilateral eyelids en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

3896508011 Bilateral ablepharon en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

4733751000052112 ablefari av ögonlock på båda ögonen sv Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Sweden NRC maintained module (core metadata concept)

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Ablepharon of bilateral eyelids (disorder)	Is a	Ablepharon	true	Inferred relationship	Some
Ablepharon of bilateral eyelids (disorder)	Associated morphology	Aplasia	false	Inferred relationship	Some	1
Ablepharon of bilateral eyelids (disorder)	Occurrence	Congenital	true	Inferred relationship	Some	1
Ablepharon of bilateral eyelids (disorder)	Pathological process (attribute)	Pathological developmental process	true	Inferred relationship	Some	1
Ablepharon of bilateral eyelids (disorder)	Finding site	Structure of left eyelid (body structure)	true	Inferred relationship	Some	1
Ablepharon of bilateral eyelids (disorder)	Associated morphology	Aplasia	false	Inferred relationship	Some	2
Ablepharon of bilateral eyelids (disorder)	Finding site	Structure of right eyelid (body structure)	true	Inferred relationship	Some	2
Ablepharon of bilateral eyelids (disorder)	Occurrence	Congenital	true	Inferred relationship	Some	2
Ablepharon of bilateral eyelids (disorder)	Pathological process (attribute)	Pathological developmental process	true	Inferred relationship	Some	2
Ablepharon of bilateral eyelids (disorder)	Is a	Congenital anomaly of right eyelid (disorder)	true	Inferred relationship	Some
Ablepharon of bilateral eyelids (disorder)	Is a	Congenital anomaly of left eyelid	true	Inferred relationship	Some
Ablepharon of bilateral eyelids (disorder)	Associated morphology	Absence (morphologic abnormality)	true	Inferred relationship	Some	1
Ablepharon of bilateral eyelids (disorder)	Associated morphology	Absence (morphologic abnormality)	true	Inferred relationship	Some	2

Inbound Relationships

Type

Active

Source

Characteristic

Refinability

Group

This concept is not in any reference sets