Zoology (OIA) Flashcards
Temporalis
O - Side of skull
I - Posterior end of lower jaw
A - Elevates lower jaw
Depressor Mandibulae
O - Behind tympanic ring & dorsal fascia
I - Tip of jaw & mouth
A - Depresses lower jaw
Dorsalis Scapulae
O - Dorsal surface of suprascapula
I - Lateral side of humerus
A - Extends arm
Latissimus dorsi
O - Dorsal fascia
I - Lateral border of humerus
A - Raises forelimb upward & backward
Longissimus dorsi
O - Anterior 3rd of urostyle
I - Skull
- Extends back
Ilio-lumbaris
O - Iliac crest of pelvis
I - Lumbar vertebrae
A - Rotates pelvis & trunk to opposite side
Triceps brachii
O - Base of scapula; shaft of humerus
I - Posterior end of radioulna
A - Extends Forearm
Coccygeosacralis
O - Lateral anterior 1/2 of urostyle
I - Arch & transverse process of 9th vertebra
A - draws back nearer the urostyle
Coccygeoiliacus
O - Lateral side of urostyle
I - Ilium
A - Fixes urostyle in connection with pelvic girdle
Gluteus
O - Outer dorsal side of ilium
I - Head of femur
A - Rotates femur forward
Pyriformis
O - Posterior tip of urostyle
I - Proximal end of femur
A - Pulls urostyle to one side
External Oblique
O - Ilium & dorsal fascia
I - Linea alba
A - Supports and reduces abdominal cavity
Transversus (Internal Oblique)
O - Ilium; dorsal fascia; transverse process of vertebrae
I - Linea alba; sternum; coracoid
A - Constricts abdomen
Triceps Femoris
O - Acetabalum (Ventral vastus internus); Two heads from Ilium (Dorsal vastus externus; middle rectus/vastus femoris anticus)
I - Below the head of tibia; Upper end of tibio fibula
A - Abducts thigh; extends shank
Semimembranosus
O - Dorsal half of ischium
I - Back of the head of tibio fibula
A - Adducts/extends thigh
Gracilis major (Rectus internus major)
Gracilis minor (Rectus internus minor)
O - Posterior margin of ischium
I - Proximal end of tibio fibula
A - Adducts/extends thigh
Gastrocnemius
O - Distal end of femur & triceps femories
I - Tendon of achilles
A - Flexes shank
Peroneus
O - Distal end of femur
I - Lower end of tibiofibula & at the head of calcaneum
A - Extends shank
Tibialis Anticus
O - Distal end of femur
I - At fibulare (calcaneum)
A - Extends shank
Masseter
O - Zygomatic process of tympanic and quadratojugal bone
I - Lower jaw
- Closes mouth
Mylohyoid
O - Medial surface of mandible
I - Median line of lower jaw
A - Opens mouth
Geniohyoid
O - Tip and border of lower jaw
I - At the processes & body of hyoid
A - Lowers mandible
Sternohyoid
O - Sternum; coracoid
I - Ventral surface of hyoid
A - Lowers the floor of mouth in breathing
Hyoglossus
O - Thyroid process of hyoid
I - Tongue
A - Retracts tongue
