The spine has three parts what are they?
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thorasic, lumbar and cervical
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A curving of the spine from back to front is called a kyphosis(think a C facing forward).  A kyphosis is normal in the thoracic spine (middle and upper back).  The neck and lower back should have a curve from the front to the back(think a C facing backwards).  This is called a lordosis.  A lordosis can straighten or change to a kyphosis secondary to injury and other factors.  An increased kyphosis in the thoracic spine is called Scheuermann's kyphosis.  As going "ransick syndrome", I have no idea.  Ask your doctor to explain it better.
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Sagittal spinal contour refers to the "side" plane of the spine.  Loss of normal contour means that the spine is s-curved.  This is a condition of scoliosis, which is often a 3-dimensional spinal deformity.\n\nHope this helps!
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generally they represent parts of the body
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it is the front part of the Acetabulum.....\nokay, it is a part of the Pelvis ;-)
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The skeleton has two main parts: the axial skeleton and the appendicular skeleton. The axial skeleton consists of the skull, the spine, the ribs and the sternum (breastbone) and includes 80 bones. The appendicular skeleton, consisting of 126 bones,  includes two limb girdles (the shoulders and pelvis) and their attached limb bones.  \n\nBTW -why not learn to use google like everyone else!
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could the third be osteoblasts or osteocytes (bone cells)?
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The spine is the column of bones that lets you stand up.  \nInside this column of bones are all the nerves that you need to move and have your body function.  \nIf you injure your spinal colum you can end up being paralyzed.  Depending on where the injury occurs decides if you only lose the use of your legs or if you lose both the use of legs and arms or you could be completely paralyzed and not be able to even turn your head.
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The two main components of the central nervous system are the spine and brain. Peripery nerves branch out from the spinal cord from limb to toenail.
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Cervical vertebrae (Vertebrae cervicales) are the smallest of the true vertebrae, and can be readily distinguished from those of the thoracic or lumbar regions by the presence of a foramen (hole) in each transverse process. The first, second, and seventh cervical vertebrae present exceptional features and must be separately described, though the other four have common characteristics.\n\nhttp://www.answers.com/CERVICAL%20SPINE
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Brain stem has 3 parts:\n\n1. Midbrain.. Controls:\nNerve pathway of cerebral hemispheres.\n\nAuditory and Visual reflex centers.\n\nCranial Nerves:\n\nCN III - Oculomotor (Related to eye movement), [motor]. \nCN IV - Trochlear (Superior oblique muscle of the eye which rotates the eye down and out), [motor]. \n\n2. Pons... Controls: \n Respiratory Center.\n\nCranial Nerves:\n\nCN V - Trigeminal (Skin of face, tongue, teeth; muscle of mastication), [motor and sensory]. \nCN VI - Abducens (Lateral rectus muscle of eye which rotates eye outward), [motor]. \nCN VII - Facial (Muscles of expression), [motor and sensory]. \nCN VIII - Acoustic (Internal auditory passage), [sensory].  \n\n3. Medulla Oblongata... Controls:\nCrossing of motor tracts.\n\nCardiac Center.\n\nRespiratory Center.\n\nVasomotor (nerves having muscular control of the blood vessel walls) Center \n\nCenters for cough, gag, swallow, and vomit.\n\nCranial Nerves:\n\nCN IX - Glossopharyneal (Muscles and mucous membranes of pharynx, the constricted openings from the mouth and the oral pharynx and the posterior third of tongue.), [mixed]. \nCN X - Vagus (Pharynx, larynx, heart, lungs, stomach), [mixed]. \nCN XI - Accessory (Rotation of the head and shoulder), [motor]. \nCN XII - Hypoglossal (Intrinsic muscles of the tongue), [motor].
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Mechanical: Support and structure. (Vertebral protection of spine.)\n\nPhysiological: Storage of calcium, production of erythrocytes (depending on the bone), production of phagocytes.
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the body\n\n\n\nthe earth\n\n\n\nkingdom
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1. nerve\n2. connetive tissue\n3. epithelium\n4. muscle (if you cut deep enough)
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It involves the hypothalamus, the pituitary, the thyroid, and thyroid hormones (T3/T4). You can do the rest, its pretty simple :)
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Definition\nSpina Bifida means cleft spine, which is an incomplete closure in the spinal column. In general, the three types of spina bifida (from mild to severe) are:\n\n1. Spina Bifida Occulta: There is an opening in one or more of the vertebrae (bones) of the spinal column without apparent damage to the spinal cord.\n\n2. Meningocele: The meninges, or protective covering around the spinal cord, has pushed out through the opening in the vertebrae in a sac called the "meningocele." However, the spinal cord remains intact. This form can be repaired with little or no damage to the nerve pathways.\n\n3. Myelomeningocele: This is the most severe form of spina bifida, in which a portion of the spinal cord itself protrudes through the back. In some cases, sacs are covered with skin; in others, tissue and nerves are exposed. Generally, people use the terms "spina bifida" and "myelomeningocele" interchangeably.
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Define "part"...plenty come to mind (official names for latin counterparts) :\n1) Y ligament - a ligament that extends from the anterior inferior iliac spine to the intertrochanteric line of the femur and divides below into two branches of which one is fixed to the distal part and the other to the proximal part of the intertrochanteric line -- called also iliofemoral ligament\n\n2)Y neuropeptide - : a neurotransmitter composed of 36 amino acid residues that has a vasoconstrictive effect on blood vessels and is held to play a role in regulating eating behavior.\n\n3)Y body -  A single fluorescent spot originating in the long arm of the Y chromosome and visible in somatic nuclei of buccal smears. \n\n4)Y cartilage - Y-shaped cartilage, the connecting cartilage for the ilium, ischium, and pubis; it extends through the acetabulum. \n\n5) Yellow bone marrow - Bone marrow in which the meshes of the reticular network are filled with fat. \n\nSee a complete list of all other "parts" of the body that start with Y (assuming again this is everything and anything  within the body - no matter how miniscule it is) at the website below (online medical dictionary - and yes Y chromosome is listed as well)