The vertebral column, also known as the backbone or spine, is part of the axial skeleton.The vertebral column is the defining characteristic of a vertebrate in which the notochord (a flexible rod of uniform composition) found in all chordates has been replaced by a segmented series of bone: vertebrae separated by intervertebral discs. Individual vertebrae are named according to …

Anatomy. What exactly is the spine? Your spine is made up of 24 small bones (vertebrae) that are stacked on top of each other to create the spinal column. Between each vertebra is a soft, gel-like cushion called a disc that helps absorb pressure and keeps the bones from rubbing against each other. Each vertebra is held to the others by groups ...

Mar 22, 2019 · Abdomen Definition. The abdomen refers to the region between the pelvis (pelvic brim) and the thorax (thoracic diaphragm) in vertebrates, including humans. ... Abdomen Anatomy. ... The rectus abdominus functions to bend the spine forward. The linea alba is the fibrous structure that forms the midline of the abdomen and provides a site of muscle ...

The lumbar vertebrae are, in human anatomy, the five vertebrae between the rib cage and the pelvis.They are the largest segments of the vertebral column and are characterized by the absence of the foramen transversarium within the transverse process (since it is only found in the cervical region) and by the absence of facets on the sides of the body (as found only in the …

Anatomy (from Ancient Greek ἀνατομή (anatomḗ) 'dissection') is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having its beginnings in prehistoric times. Anatomy is inherently tied to developmental biology ...

Mar 31, 2022 · Thoracic Spine Pain Definition Let's start with a reliable definition of thoracic spine pain which necessarily includes a reliable definition of the thoracic region. Thoracic spine pain is defined as pain in the back that is located between your first thoracic vertebra and your 12th thoracic vertebra.

Oct 27, 2022 · The brainstem (brain stem) is the distal part of the brain that is made up of the midbrain, pons, and medulla oblongata.Each of the three components has its own unique structure and function. Together, they help to regulate breathing, heart rate, blood pressure, and several other important functions.All of these brainstem functions are enabled because of its …

The core or trunk is the axial (central) part of an organism's body.In common parlance, the term is broadly considered to be synonymous with the torso, but academically it also includes the head and neck. Functional movements are highly dependent on this part of the body, and lack of core muscular development can result in a predisposition to injury. The major muscles of the core …

Nov 29, 2022 · The spinal nerves are part of the PNS. Through them, the CNS receives information and controls the actions of the trunk and limbs. All spinal nerves are composed of both sensory and motor fibers; thus, they are mixed nerves.. They exit in bilateral pairs from specific segments of the spinal cord, through the union of dorsal and ventral roots.. Preceding the roots …

Aug 02, 2022 · The mediastinum is an area found in the midline of the thoracic cavity, that is surrounded by the left and right pleural sacs.It is divided into the superior and inferior mediastinum, of which the latter is larger.. The inferior mediastinum is further divided into the anterior, middle and posterior mediastinum.Every compartment of the mediastinum contains …