__________ Is the Gradual Replacing of Cartilage with Bone That

question 47

Multiple Choice

__________ is the gradual replacing of cartilage with bone that takes place in childhood.

• A)Osteoporosis
• B)Ossification
• C)Ossicles
• D)Osteoblast

Describe the process and significance of gastrulation in different species.

Explain the formation and function of the placenta.

Understand the genetic and cellular mechanisms of twin formation.

Recognize key experimental findings in embryology and their implications for development.

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Definitions:

Rhomboideus Major

A muscle in the back that connects the spine to the scapula, involved in retracting the shoulder blade.

Infraspinatus

A muscle located on the back of the shoulder blade that is responsible for the external rotation of the shoulder joint.

Deltoid Group

A group of muscles in the shoulder responsible for arm abduction, flexion, extension, and rotation.

Trapezius Group

A large muscle group in the back that is responsible for moving, rotating, and stabilizing the scapula and extending the neck.