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General Anatomy
General Anatomy and Osteology
Question | Answer |
---|---|
A plane that divides the entire body or a body part into right and left segments. | Sagittal plane |
A specific plane that passes through the midline of the body and divides it into equal right and left halves. | Midsagittal plane |
A plane that that divides the entire body or a body part into anterior and posterior segments. | Coronal plane |
A specific plane that passes through the midline of the body and divides it into equal anterior and posterior halves. | Midcoronal plane |
Another name for the midcoronal plane. | Midaxillary plane |
A plane that passes crosswise through the body or a body part at right angles to the longitudinal axis. | Horizontal plane |
Another name for the horizontal plane. | Transverse plane |
A plane that can pass through the body part at any angle among the three planes. | Oblique plane |
A special plane that transects the pelvis at the top of the iliac crests at the level of the fourth lumbar spinous process. | Interiliac plane |
A special plane that is formed by the biting surfaces of the upper and lower teeth with the jaws closed. | Occlusal plane |
Which skeleton supports and protects the head and trunk with 80 bones. | Axial skeleton |
Which skeleton supports and protects limbs, pelvic and shoulder girdle; and allows the body to move in various positions and from place to place with its 126 bones. | Appendicular skeleton |
All bones are composed of a strong, dense outer layer called the ________ _____, which protects the bone and gives it strength for supporting the body. | Compact bone |
An inner portion of less dense ______ ____. | Spongy bone |
The softer spongy bone contains a spiculated network of interconnecting spaces called the what? | Trabeculae |
This type of marrow produces red and white blood cells. | Red marrow |
This type of marrow stores adipose (fat) cells. | Yellow marrow |
Long bones have a central cavity called the _______ cavity, which contains trabeculae filled with yellow marrow. | Medullary cavity |
The tissue lining the medullary cavity of bones called the what? | Endosteum |
Blood vessels and nerves enter and exit the bone at the same point through the openings called the what? | Foramina |
Near the center of all long bones is an opening in the periosteum called the what? | Nutrient foramen |
The term given to the development and formation of bones. | Ossification |
Ossification occurs seperately by which two distinct processes. | Intermembranous ossification and endochodral ossification |
Endochondral ossification occurs from two distinct centers of development called the what? | Primary and secondary centers of ossification |
During development only, the long shaft of the bone is called the what? | Diaphysis |
Secondary ossification occurs after birth when a separate bone begins to develop at both ends of each long bone. Each end is called the what? | Epiphysis |
As growth occurs, a plate of cartilage called the what develops between the two areas. | Epiphyseal plate |
Type of bones found only in the limbs. The consist primariy of long cylindric shaft called the body and two enlarged, rounded ends that contain a smooth, slippery articular surface. | Long bones |
Type of bones that consist mainly of cancellous bone containing red marrow and have a thin outer layer of compact bone. | Short bones |
Type of bones that consist largely of two tables of compact bone. | Flat bones |
The narrow space between the inner and outer tables contains cancellous bone and red marrow or ___________. | diploe |
Type of bones that are termed because of their peculiar shapes and variety of forms do not place them in any other category. | Irregular bones |
Type of bones that are small and oval. They develop inside and beside tendons. | Sesamoid bones |