Below is an image of the developing Rat Knee Joint. Refer to the smaller image (top right) for the location of this magnified section.

What tissue is shown in this image?

Below is a magnified image of the medullary cavity of a developing Rat Bone. The medullary cavity contains bone marrow in both fetal and adult long bones.

What cell types would you expect to be present in bone marrow (fetal or adult)?

Below is a magnification of the developing Rat Knee Joint. Refer to the smaller image (top right) for the location of this magnified section.

Observe the following:

• the articular surface of these bones are labelled, and
• the tissue type of the structure labelled A is similar to that of structure B.

What tissue type is found where structure A is labelled? What is the structure labelled B?

The structure indicated with the red arrow is:

The tissue below is:

The structure/tissue on the left is:

The tissue below is:

The structure indicated is:

Below is an image of the developing Rat Knee Joint. Refer to the smaller image (top right) for the location of this magnified section.

What tissue is shown in this image?

Below is a magnification of the developing Rat Knee Joint. Refer to the smaller image (top right) for the location of this magnified section.

Observe the following:

• the articular surface of these bones are labelled, and
• the tissue type of the structure labelled A is similar to that of structure B.

What tissue type is found where structure A is labelled? What is the structure labelled B?