Zool 325 Lab: Muscle Homologies

What ventral deep muscles of the cat are homologous with the shark hypaxial musculature?

• The rectus abdominus

• The serratus ventralis

• The transverse costarum

• The scalenes

What muscle of the cat is homologous with the shark pectoral musculature?

The subscappularis

What are the muscles of the abdominal window of the cat homologous with in the shark?

The hypaxial musculature

What thoracic muscles of the cat are homologous with the pectoral fin abductor of the shark?

Dorsal = teres major and teres minor

What thoracic muscles of the cat are homologous with the pectoral fin adductor of the shark?

Dorsal = infraspinous and supraspinous

What dorsal deep muscles of the cat are homologous with the hypaxial musculature of the shark?

The rhomboidius, rhomboidius captitus and serratus dorsalis

What dorsal deep muscles of the cat are homologous with the shark epaxial musculature?

The splenius

What are the spinal window muscles of the cat homologous with in the shark?

The epaxial musculature

What shoulder muscles of the cat are homologous with the pectoral fin adductor?

Ventral = coracobrachialis and biceps brachii

Dorsal = brachialis and teres minor

What shoulder muscles of the cat are homologous with the pectoral fin abductor?

Ventral = lepitrochlearis

Dorsal = biceps brachii and anconeus

What shark muscle is homologous with the sternomastoid in the cat?

Cucullaris

What shark muscle is homologous with the sternohyoid in the cat?

Coracohyoid

What cat muscles are homologous with the intermandibularis in the shark?

The mylohyoid and the diagastric

What shark muscle is homologous with the masseter in the cat?

The adductor mandibulae

What shark muscle is homologous with the sternothyroid?

the coracohyoid

T/F there is no homology to the cricothyroid of cats in sharks?

True

T/F there is no homology in sharks to the salivary glands in cats?

True