Fetal Pig Muscle Dissection

Fetal Pig Muscle Dissection
Section A: Labeling
1 Masseter
2 Splenius
3 Anterior deep pectoral
4 Deltoid
5 Trapezius
6 Latissimus dorsi
7 Internal oblique
8 Transverse abdorminis
9 Tensor fasciae latae
10 Gluteus medius
Biceps femoris
Semimembranous
Semitendinous
Gastrocnemius
External oblique
Triceps
Digital extensors
Ulnaris lateralis
Extensor carpi obliquus
Exterior carpi
Brachialis
Brachiocephalicus
Section B: Matching
1 J
2 H
3 F
4 B
5 E
6 G
7 A
8 C
9 I
10 D
Section C: Short-Answer Questions
Q1. Brachiocephalic: It originates from the back of the neck, the back of the head and the mastoid process and inserts in the humerus. (lies across the shoulder). It moves the forelimb anteriorly.
Sternohyoid: This is the most superficial of the neck muscles. It originate from the sternum and inserts in the hyoid bone. It depresses the hyoid bone and acts in speech and swallowing movements.
Sternothyroid: This muscle lies beneath the sternohyoid muscle. It originates from the sternum and insert in the thyroid cartilage. It depresses the larynx and involved in speech and swallowing movements.
Q2. Superficial m muscles of the pig form part of chest. Originates at sternum and inserts at upper arm. Facilitates arm movement towards chest.
On the other hand the chest muscles of the human arises from the anterior surface of the sternal half of the clavicle; from breadth of the half of the anterior surface of the sternum, as low down as the attachment of the cartilage of the sixth or seventh rib. It flexes and abducts the humerus,
Q3. The extensor muscles include the extensor carpi, Digital extensors and Extensor carpi obliquus. The...