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VertF&FLabFinal
Muscles, Respiratory,Circulatory,Nervous
| Question | Answer |
|---|---|
| Cutaneous Maximus (cat) | Integumental muscle covers the dorsal region of the cat and allows it to shake its skin |
| Lumbodorsal Fascia (cat) | Dorsal view. Sits on top of lumbar region of axial skeleton |
| Linea alba (cat and shark) | a band of white fibrous tissue running down the middle of the abdominal wall from the base of the sternum to the top of the pelvis. Thin longitudinal line |
| External abdominal oblique | Contraction of the abdominal muscles serves to compress the abdomen. Forms the most superficial of the three layers of abdominal muscles. Originates from posterior ribs and the lumbodorsal fascia. Extend craniodorsally, along length of linea alba. |
| Internal abdominal oblique | Ventral view. This muscle's origin is the lumbodorsal fascia and ribs. Its insertion is at the pubis and linea alba (via aponeurosis), and its action is the compression of abdominal contents. Under the external abdominal oblique |
| Transversus abdominus | Ventral view (center).originates from the posterior ribs and the transverse processes of the lumbar vertebrae. The fibers of this muscle extend ventrally and attach to the linea alba by an aponeurosis. |
| Rectus abdominis | Ventral. when muscle contracts, it compresses the abdominal cavity and flexes the vertebral column. This movement is often seen when a cat arches back. lies between the aponeuroses of the internal oblique and the transversus abdominis for most of length |
| Aponeurosis | thin sheath of connective tissue that helps connect your muscles to your bones. Aponeuroses are similar to tendons. absorb energy when your muscles move |
| Pectoralis major | Ventral view. origin is the sternum and median ventral raphe, and its insertion is at the humerus. Its action is to draw the forelimb towards the chest. anterior to pectoralis minor, |
| Pectoralis minor | Ventral view. origins are ribs three–five, and its insertion is the coracoid process of the scapula. Its actions are the tipping of the scapula and the elevation of ribs three–five. right next to major |
| Clavobrachialis (=clavodeltoid) | Dorsal view. This flat, thin muscle which covers the anterior portion of the shoulder and arm is a continuation of the clavotrapezius. It originates in the clavicle and inserts into the ulna near the elbow |
| Spinotrapezius | Dorsal view. one of the five muscles that are grouped as muscles of the scapula, or sometimes as muscles that moor the scapula. Attaches to acromiotrapezius (posterior) |
| Serratus Ventralis | in the cat looks like fingers because it attaches to the ribs, but has nothing to attach to between the ribs. looks like a serrated knife. This is one of the five muscles that are grouped as muscles of the scapula. (near rectus abdominus) |
| supraspinatus | Dorsal. small, located on the back of the shoulder, forming part of the rotator cuff. The rotator cuff consists of Supraspinatus, Infraspinatus, Subscapularis and teres minor.superior of the scapula (shoulder blade) to the greater tubercle of the humerus |
| Levator scapulae ventralis | Proximal next to Acromiodeltoid.a band-like muscle lying between the clavotrapezius and the acromiotrapezius. It originates from the skull and atlas to insert on the scapula. When the levator scapulae ventralis contracts it pulls the scapula forward. |
| Latissimus dorsi | Broad, flat, large triangular muscle posterior to the trapezius group. It arises from the midline in the thoraco-lumbar region and inserts on the proximal end of the humerus. Contraction of muscle results in the humerus moved posteriorly and dorsally. |
| Teres major | thick but flattened, rectangular muscle that extends from the inferior posterior scapula to the medial lip of the intertubercular groove of the humerus. It functions with the latissimus dorsi to extend, adduct, and internally rotate the humerus |
| Biceps brachii | flexor of the elbow. above triceps brachii |
| Rhomboideus complex | (Deep Dorsal) a thick, large muscle below the trapezius muscles.origin is from the neural spines of the first four thoracic vertebrae, and its insertion is at the vertebral border of the scapula. |
| Splenius | (Deep Dorsal) (under clavotrapezius) proximal to rhomboideus |
| Dorsoepitrochlearis | Dorsal lateral view. Next to teres major and tricep long head |
| Brachialis | originates on caudal surface of proximal humerus, just distal to the humeral neck and extends over the lateral surface of the humerus in the spiral groove of humerus, and reaches the medial side, where it inserts on the radial and the ulnar tuberosities. |
| Masseter | Cheek muscle |
| Temporalis | runs superficially, from the temporal bone to the coronoid process of mandible. The main function of this muscle is to produce the movements of the mandible at the temporomandibular joint and thus facilitate the act of mastication |
| Sternomastoid | Central neck muscle, next to sternohyoid (chin) originates on the namubrium of the sternum and inserts upon the mastoid process of the temporal bone.allows you to bend your neck and turn or tilt your head |
| Sternohyoid | a strong strap-like muscle, which originates from the manubrium of sternum.covering the ventral surface of the trachea |
| Geniohyoid | Close to mouth under chin |
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vpcarter
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