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ZO 315 -- COMPARATIVE ANATOMY
LAB OBJECTIVES: MUSCLES
SHARK I. MUSCLE TERMINOLOGY origin insertion protractor retractor flexor extensor adductor abductor rotator II. Trunk and Tail Musculature: myomeres myosepta horizontal septum epaxial muscles hypaxial muscles vertical septa linea alba
III. Appendicular Musculature: levators * depressors * radials *
IV. Branchiomeric Musculature: (know definition from lab guide)
A. Constrictors Dorsal: 1st= spiracular + mandibular adductor @ 2nd - 6th *
Ventral: 1st= intermandibular @ 2nd- includes interhyoid * 3rd - 6th *
B. Levators 1st= palatoquadrate @ 3rd-6th = cucullaris @
V. Hypobranchial Musculature: (know definition from lab guide)
common coracoarcuals @ coracomandibular @ coracohyoids @ coracobranchials @ * know function @ know origin, insertion, and function See Table 3-1, pp. 48
NECTURUS I. AXIAL MUSCULATURE
A. Trunk Muscles: epaxial muscles hypaxial muscles myomeres myosepta dorsalis trunci @ linea alba external oblique * internal oblique * transversus abdominis * rectus abdominis @
B. Head and Gill Muscles: Branchial: anterior mandibular levator * external mandibular levator * mandibular depressor * dorsalis trunci (cervical part) * branchial levators * intermandibular @ interhyoid @ branchiohyoid
Hypobranchial: geniohyoid rectus cervicis
II. APPENDICULAR MUSCULATURE C. Pectoral Muscles: pectoralis @ supracoracoideus @ procoracohumeralis @ cucullaris @ dorsalis scapulae @ latissimus dorsi @ * know function @ know origin, insertion, and function See Table 3-1, pp. 118-119
CAT
I. CUTANEOUS MUSCLES (know terms) cutaneous maximus * platysma *
II. SHOULDER MUSCLES Superficial Group: acromiotrapezius @ spinotrapezius @ clavotrapezius clavobrachialis @ levator scapulae ventralis @ acromiodeltoid spinodeltoid @ latissimus dorsi @ lumbodorsal fascia
III. PECTORAL MUSCLES pectoantebrachialis @ pectoralis major @ pectoralis minor @ xiphihumeralis @
IV. ABDOMINAL MUSCLES external oblique @ internal oblique @ transversus abdominis @ rectus abdominis @
V. NECK AND HEAD MUSCLES Branchial: sternomastoid @ digastric @ mylohyoid @ masseter @ temporalis @
Hypobranchial: sternohyoid
VI. THIGH MUSCLES Medial: sartorius gracilis
Lateral: tensor fascia lata biceps femoris
* know function @ know origin, insertion, and function See Table 3-1, pp. 184, 186