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Compatative anatomy
Shark muscles
| Question | Answer |
|---|---|
| Myomeres | Origin;Myosepta Insertion:myosepta Action:lateral flexion of body |
| Coracomandibular | origin:coracoid bar Insertion:Mandibular cartilage Action:opens mouth and enlarges pharynx |
| coracoarcules | origin:coracoid bar insertion:fascia of coracohyoids Action;opens mouth and enlarges pharynx |
| intermandibular | origin:mandibular cartilage insertion:ventral midline(raphe) action:elevates floor of oral cavity |
| coracohyoids | origin;connective tissue on coracoarcuals insertion:hyoid arch action:opens mouth,enlarges pharynx |
| interhyoid | origin:hyoid cartilage insertion:ventral midline(raphe) action:elevates floor of oral cavity |
| pectoral ventral fin muscle | origin:coracoid bar insertion:ventral surface of ptergiophores action:adducts pectoral fin |
| pectoral dorsal fin muscle | origin:Scapular process insertion:dorsal surface of ptergiophores action:abducts pectoral fin |
| pelvic ventral fin muscle | origin:puboischiadic bar and metapterygium insertion:radial cartilages action:adducts pelvic fin |
| pelvic dorsal fin muscle | origin:Illiac process and metaptyergium insertion:radial cartilages action:abducts pelvic fin |
| adductor mandibulae | origin:palatoquadrate cartilage insertion:mandibular cartilage action:closes the jaw |
| levator palatoquadrate | origin:otic capsule insertion:Palatoquadrate cartilage action:elevates upper jaw and enlarges oral cavity |
| Spiracular | Origin:otic capsules insertion:wall of spiracle action:opens spiracle |
| Preorbital | origin:ventral side of orbit insertion:mandibular cartilage action:enlarges oral cavity |
| ventral hyoid constrictor | origin:connective tissue over interhyoids insertion:lateral raphe action:constricts first branchial pouch |
| dorsal hyoid constrictor | origin:connective tissue over epibranchials insertion:lateral raphe action:constricts the first branchial pouch |
| levator hyomandibulae | origin:otic capsule insertion:hyomandibular cartilage action:pulls hyoid up and forward |
| dorsal superficial branchial constrictor | origin:dorsal raphes insertion:interbrachial septa action:constricts branchial pouches |
| ventral superficial branchial constrictor | origin:ventral raphes insertion:interbrachial septa action:constricts branchial pouches |
| cucullaris | origin:connective tissue over epibranchials insertion:scapular process and last branchial arch action:protracts pectoral fin and elevates gill apparatus |
Created by:
ejohnson17
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