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Spinal disorders
Spinal disorders Any of the disorders relating to the spine, including spina bifida and scoliosis.
RELATED TERMS--------------------------------------
Spine
A column in the body consisting of 33 vertebrae.
Scoliosis
Lateral curvature (actually, rotational deformity) of the spine.
SIMILAR TERMS--------------------------------------
Spina Bifida
A neural tube defect resulting from the improper closure of the fetal spine. The defect can be low in the spine and problems are often mild. If the defect is higher in the spine it can cause more serious problems such as leg paralysis and & bladder control.
Spina bifida
A birth defect caused by imperfect closure of part of the spinal column, exposing some of the nervous system.
Spinal anesthesia
Injection of an anesthetic into the area around the spinal cord to block pain sensation during surgery.
Spinal cord
The ovoid column of nervous tissue, extending from the medulla to the second lumbar vertebra in the spinal canal. All nerves to the trunk and limbs issue from the spinal cord, the center of reflex action containing conducting paths to and from the brain. Sensory neurons enter posteriorly; motor nerves arise anteriorly.
Spinal fluid
See cerebrospinal fluid
Spindle apparatus
A microtubule assembly appearing during cell division. Microtubules are part of the cytoskeleton of biological cells, the quasi-rigid matrix that among other things determines cell shape. The microtubules are 25 nanometers in diameter, and composed of the protein tubulin. They occur in regular arrays in cilia, flagella, the mitotic spindle, and in the cytoplasm in general, and they contribute not only to cell shape, but also to cell motility.
Spine
A column in the body consisting of 33 vertebrae.
PREVIOUS AND NEXT TERMS--------------------------------------
Sperm allergy
An immune reaction to sperm, causing your body to produce antibodies that kill or disable sperm. In a small percentage of women (some estimate less than 2 percent) this condition can be serious enough to cause infertility; men can also develop antibodies to their own sperm.
Sperm antibodies
An immune reaction to sperm, causing your body to produce antibodies that kill or disable sperm. In a small percentage of women (some estimate less than 2 percent) this condition can be serious enough to cause infertility; men can also develop antibodies to their own sperm.
Sperm bank
An organization that collects and stores sperm for artificial insemination. Individuals or couples can store their own sperm for later use, or can get sperm from donors.
Sperm motility
The ability of sperm to move and swim quickly.
Spermicide
A chemical agent that kills sperm. Used as a form of birth control, either alone or paired with another method such as a condom or diaphragm.
Spinal disorders
Squat bar
A U-shaped bar that can attach to a birthing bed if a laboring woman wants to squat when she's ready to push the baby out. Some birthing beds already have this feature attached.
Station
Station: A term used to describe the location of a baby's presenting part (usually the top of the head) relative to the mother's pelvic bones during pregnancy and labor; ranges from -5 when the presenting part is at the inlet of the maternal pelvis to +5 when it is at the outlet (and delivery is imminent).
Stepping reflex
Also called the walking reflex, this is one of the reflexes present at birth. When held over a flat surface, a newborn will move her legs as if she's taking steps.
Sterility
The permanent inability of a man or woman to reproduce.
Sterilization
A surgical method, such as tubal ligation for women and vasectomy for men, that renders an individual unable to reproduce.
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