Educational Requirements for Registered Nurses. Nursing students may choose from a variety of education options to become a registered nurse. Some teaching hospitals offer 3-year diploma programs in nursing; however, these programs are rare. Most RNs earn associate degrees or bachelor's degrees in nursing.
This is covered by a membrane of connective tissue called the periosteum. Beneath the cortical bone layer is a layer of spongy cancellous bone. Inside this is the medullary cavity which has an inner core of bone marrow made up of yellow marrow in the adult and red marrow in the child.
n a cavity occurring on the mesial or distal surface of a tooth. cavity, pulp, n the space in a tooth surrounded by the dentin; contains the dental pulp. The part of the pulp cavity within the coronal portion of the tooth is the pulp chamber, and the part found within the root is the pulp canal, or root canal.cavity, simple, n a cavity that involves only one surface of a tooth.. a hollow place or space, or a potential space, within the body or one of its organs. 2. in dentistry, the lesion produced by caries. abdominal cavity the cavity of the body between the diaphragm and pelvis, containing the abdominal organs.