What are the parts of backbone?
The spine itself has three main segments: the cervical spine, the thoracic spine, and the lumbar spine. The cervical is the upper part of the spine, made up of seven vertebrae (bones). The thoracic is the center portion of the spine, consisting of 12 vertebrae. The lower portion of the spine is called the lumbar spine.
How many parts are there in backbone?
The spine has three normal curves: cervical, thoracic and lumbar. There are seven cervical vertebrae in the neck, 12 thoracic vertebrae in the torso and five lumbar vertebrae in the lower back.
What are the 4 parts of the back?
Cervical, Thoracic, Lumbar and Sacral Spinal Anatomy. The cervical region is the most flexible region of the spine, followed by the lumbar region and the thoracic region.
What is backbone in human body?
(BAK-bone) The bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone. The backbone encloses the spinal cord and the fluid surrounding the spinal cord. Also called spinal column, spine, and vertebral column. Enlarge.
What is the triangle of the back?
lumbar triangle. a triangle defined by the border of the latissimus dorsi m. medially, the external abdominal oblique m. laterally and the iliac crest inferiorly; its floor is the internal abdominal oblique m. lumbar triangle may be the site of an abdominal hernia; also known as: triangle of Petit.
What is back of neck called?
nape
The nape is the back of the neck. In technical anatomical/medical terminology, the nape is also called the nucha (from the Medieval Latin rendering of the Arabic نُخَاع, “spinal marrow”).
What is your throat bone called?
hyoid bone
The hyoid bone (hyoid) is a small U-shaped (horseshoe-shaped) solitary bone, situated in the midline of the neck anteriorly at the base of the mandible and posteriorly at the fourth cervical vertebra. Its anatomical position is just superior to the thyroid cartilage.