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![[Inferred is_a relation]](http://draco.cyverse.org/static/images/is_a.gif "Inferred is_a relation")
BFO:0000001 entity
BFO:0000003 occurrent
BFO:0000015 process
GO:0008150 biological_process
GO:0065007 biological regulation
GO:0032501 multicellular organismal process
GO:0065008 regulation of biological quality
GO:0090066 regulation of anatomical structure size
GO:0003008 system process
GO:0003013 circulatory system process
GO:0035150 regulation of tube size
![[Inferred related_to relation]](http://draco.cyverse.org/static/images/related_to.gif "Inferred related_to relation")
GO:0008015 blood circulation
GO:0035296 regulation of tube diameter
GO:0003018 vascular process in circulatory system
GO:0097746 blood vessel diameter maintenance
![[Current term]](http://draco.cyverse.org/static/images/term_lineage_wedge.png "Current term")
GO:0042310 vasoconstriction
GO:0001998 angiotensin-mediated vasoconstriction involved in regulation of systemic arterial blood pressure
![[negatively_regulates relation]](http://draco.cyverse.org/static/images/negatively_regulates.gif "negatively_regulates relation")
GO:0045906 negative regulation of vasoconstriction
GO:0001994 norepinephrine-epinephrine vasoconstriction involved in regulation of systemic arterial blood pressure
![[positively_regulates relation]](http://draco.cyverse.org/static/images/positively_regulates.gif "positively_regulates relation")
GO:0045907 positive regulation of vasoconstriction
![[regulates relation]](http://draco.cyverse.org/static/images/regulates.gif "regulates relation")
GO:0019229 regulation of vasoconstriction
GO:0014829 vascular associated smooth muscle contraction
GO:0002006 vasoconstriction by vasopressin involved in systemic arterial blood pressure control
GO:0001987 vasoconstriction of artery involved in baroreceptor response to lowering of systemic arterial blood pressure
GO:0002012 vasoconstriction of artery involved in chemoreceptor response to lowering of systemic arterial blood pressure
GO:0002014 vasoconstriction of artery involved in ischemic response to lowering of systemic arterial blood pressure
subject![[Reorder by subject]](http://draco.cyverse.org/static/images/reorder.gif "Reorder by subject") |
relation |
object |
|---|---|---|
| vasoconstriction |
is_a
|
blood vessel diameter maintenance (GO:0097746) |
![[RO:0002211 relation]](http://draco.cyverse.org/static/images/RO:0002211.gif "RO:0002211 relation")
RO:0002211
![[RO:0002212 relation]](http://draco.cyverse.org/static/images/RO:0002212.gif "RO:0002212 relation")
RO:0002212
![[RO:0002213 relation]](http://draco.cyverse.org/static/images/RO:0002213.gif "RO:0002213 relation")
RO:0002213