Mink Dissection

Practice Practical

Identify the muscles labeled #1 & 2.

• Vastus lateralis• Gracilis

Identify muscle #3. (it is only 1 part of 2)

Identify muscle #3.In humans, this name is slightly different. What is it?

• Sternocleidomastoid

Identify muscle #4.

Identify muscle #4.

• Serratus anterior

Identify muscle #7 (lifted on back).

Identify muscle #7 (lifted on back).

• Latissimus dorsi

Identify this muscle #8.

Identify this muscle #8.What is its function?

• Pectoralis major

Identify this muscle #9.In humans, what is the opposing muscle on the anterior side?

Identify this muscle #9.In humans, what is the opposing muscle on the anterior side?

• Gastrocnemius• Tibialis anterior

Identify the muscle marked 11.Identify the related structure marked “A”

Identify the muscle marked 11.Identify the related structure marked “A”

• Part of Deltoid• Brachialis

Identify this muscle #12 (ventral side of leg).

Another View of #12.Identify this muscle.

Identify this muscle #12.

• Rectus Femoris

Identify the muscle made from #13 & 14 (lifted) and one other part

Close-up of 13

Identify this muscle #13. (lifted)What bone is its insertion?

• Trapezius

Identify this muscle #15.

Identify this muscle #15.What is the common name for this muscle in a human?

• Biceps femoris

Identify this muscle #16.What muscle lies deep and inferior to it?

Identify this muscle #16.What muscle lies deep and inferior to it?

• Tensor fascia lata(e)• Vastus lateralis is deep and inferior

Identify this muscle #17.

Identify this muscle #17.

• Pectoralis minor

Identify this muscle #20.

Identify this muscle #20.

• Vastus lateralis

Identify this muscle #22. (Can also be found from the lateral view)

Identify this muscle #22. What is the function of this muscle?

• Semitendinosus

Identify this muscle #23.How is the relative size of this muscle different in humans?

Identify this muscle #23.How is the relative size of this muscle different in humans?

• Sartorius• Thin in a human (this muscle does not cover

the entire ventral surface of the leg as in mink, but wraps laterally from the hip and moves medially towards the knee)

Identify this muscle #24.Identify this muscle #25.

Identify this muscle #24.Identify this muscle #25.

• #24 – adductor longus• #25 – adductor femoris

Identify this muscle #26. This is the most superficial muscle in the region.

Identify this muscle #26.If you were to reflect this muscle in humans and

look at the deeper abdominal muscle, which abdominal muscle would you find moving laterally?

• External abdominal oblique

Identify this muscle #27.

Identify this muscle #27.

• Triceps longhead brachii

Identify t his muscle #28.

Identify t his muscle #28.

• semitendinosus

Identify this muscle #29. (Extra Credit)

Identify this muscle #29. (Extra Credit)

• Rhomboideus cervicis

Identify this muscle #30.

Identify this muscle #30.

• semimembranosus

Identify this muscle #31.What is its function?

Identify this muscle #31.What is its function?

• Pectineus• Flexes hip and adducts thigh, femur, or leg

Identify this muscle #32.In humans, what related muscle lies directly

superior to this muscle?What common function do they both have?

Identify this muscle #32.In humans, what related muscle lies directly

superior to this muscle?What common function do they both have?• Gluteus maximus• Gluteus medius• Extends or abducts leg or femur

Identify this muscle #33.What is its function?

How many heads does this muscle group have?In humans, what is the opposing muscle?

Identify this muscle #33.What is its function?

How many heads does this muscle group have?In humans, what is the opposing muscle?

• Triceps brachii lateral head• Extends forearm, elbow• Three• Biceps brachii

Identify this muscle #34.What is its function?

Identify this muscle #34.What is its function?

• Spinodeltoid• Pulls humerus or abducts humerus

Identify this muscle #35.What is its function?

Close-up of #35

Identify this muscle #35.What is its function?

• Dorsoepitrochlearis• Extends forearm

Identify this muscle #36.What is its function?

Close-up of #36.

Identify this muscle #36.What is its function?

• Levator scapula(e)• Depresses scapula

Although not on your mink list, you studies this muscle in a human. Identify muscle #37.

Although not on your mink list, you studies this muscle in a human. Identify muscle #37.

• Rectus abdominus

Identify this deep, cartilaginous structure in the neck #38.What organ system is this part of?

Identify this deep, cartilaginous structure in the neck #38.What organ system is this part of?

• Trachea• Respiratory system

Identify this muscle #39.What is its function?

Based on its name, what is the bone of insertion?

Identify this muscle #39.What is its function?

Based on its name, what is the bone of insertion?

• Clavotrapezius• Pulls humerus forward or abducts the arm• Clavicle

Identify this number #40.What is its function?

Based on its name, what is the bone of insertion?

Identify this number #40.What is its function?

Based on its name, what is the bone of insertion?

• Caudofemoralis• Abducts and extends the leg• femur

Identify this muscle #41. (Extra Credit)

Identify this muscle #41. (Extra Credit)

• Rhomboideus capitis