smooth muscle sphincter
A ring of smooth muscle cells whose contraction closes the opening of the ring.
| Type | Muscle |
| Parent Structure | sphincter muscle |
Frequently Asked Questions
What is the smooth muscle sphincter?
A ring of smooth muscle cells whose contraction closes the opening of the ring.
Related Structures
1st arch mandibular component
ventral mandibular arch
1st arch mandibular ectoderm
ectoderm of mandibular component
1st arch mandibular mesenchyme
mandibular component mesenchyme
1st arch mandibular mesenchyme from head mesenchyme
1st arch mandibular mesenchyme from neural crest
1st arch maxillary component
1st arch maxillary ectoderm
ectoderm of maxillary component
1st arch maxillary-mandibular cleft
1st arch maxillary-mandibular groove ectoderm
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