Mudpuppy Muscles Flashcards
Adductor mandibulae externus
- Dorsal/lateral head muscle
- homologous along with anterior to musculature of visceral arch I in the shark
- elevates lower jaw (closes mouth)
Adductor mandibulae anterior
- dorsal head muscle
- homologous along with externus to musculature of visceral arch I in the shark
- elevates the lower jaw (closes mouth)
Sphincter Colli
- elevates throat
- homologous to post. portion of interhyoideus in sharks
Branchiohyoideus
- retracts hyoid apperatus
- homologous to superficial constrictor muscles of visceral arch III in sharks
Intermandibularis
- homologous w/ intermandibularis of shark
- elevates throat
Interhyoideus
- elevates throat
- homologous w/ interhyoideus of shark
Depressor mandibuli
- depresses lower jaw (opens mouth)
- homologous to shark hyoid levator (visceral arch II)
Dilatator laryngis
- expands the larynx
- homologus to constrictors of the post-hyoid visceral arches in shark (III-VII)
Cucullaris
- homologous w/ portion of cucullaris of shark
- pulls scapula anteriodorsally
Levator Arcuum
- gill elevators
- homologous w/ part of the cucullaris in sharks
Dorsalis Scapulae
- homologous w/ portion of shark pectoral abductor
- pulls humerus anteriorly
Latissimus Dorsi
- homologous w/ part of shark pectoral abductor
- retracts pectoral limb
Supracoracoideus
- homologous w/ portion of pectoral adductor of shark
- adducts humerus
Pectoriscapularis
- homologous w/ coracoarcual muscles of shark
- pulls scapula anteriorly
Pectoralis
- homologous w/ part of pectoral adductor of shark
- adducts humerus
Dorsalis trunci
Epaxial muscles (consisted of myomeres separated by myosepta) - homologous w/ epaxial muscles on shark
External Oblique
- hypaxial muscle
Rectus Abdominis
Hypaxial muscles
Procoracohumeralis
- homologoys w/ part of pectoral abductor of shark
- pulls humerus anteriorly
Geniohyoideus
- homologous w/ part of coracomandibular of shark
- depress lower jaw and pulls hyoid apparatus anteriorly
Rectus cervicis
- homologous w/ coracohyoid and coracoarcual muscles of shark
- depresses the head, retracts hyoid and gill apparatus
Triceps
- Dorsal part of branchium + homologous to part of shark fin abductor
- extension of forearm
Humeroantebranchialis
- homologous w/ part of shark fin adductor
- flexes the forearm
Coracobranchialis
- homologous w/ portion of adductor of the shark fin
- adducts the forelimb
Omoarcual
- homologous w/ rectus cervicis of shark
- draws shoulder anteriorly
Puboichiofemoralis externus
- adducts the hindlimb
- homologous w/ shark pelvic fin adductors
Puboischiotibialis
- adducts the hindlimb
- homologous w/ shark pelvic fin adductors
Pubotibialis
- adducts hindlimb
- homologoys w/ shark pelvic fin adductors
