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Glossary of Anatomy Terms
beginning with letter S
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sacral Tweet Definition of sacral Like Definition of sacral on Facebook
adjective
  1. (anatomy) Of the sacrum.
  2. Relating to sacred rites. (Synonym for sacred.)
sacroiliac Tweet Definition of sacroiliac Like Definition of sacroiliac on Facebook
noun
  1. (context, anatomy) The region of the sacrum and the ilium in the lower back.
adjective
  1. (context, anatomy) Referring to the region of the sacrum and the ilium in the lower back.
sacrum Tweet Definition of sacrum Like Definition of sacrum on Facebook
noun (sacra, pl2=sacrums)
  1. (anatomy) A large triangular bone located between the two hipbones and formed from fused vertebrae.
SAP Tweet Definition of SAP Like Definition of SAP on Facebook
initialism
  1. Scientific Advisory Panel
  2. statutory, Statutory adoption, Adoption pay, Pay - payments made by an employer to an employee who is absent from work after the adoption of a child.
  3. (South Africa) South African Police.
  4. (South Africa, obsolete) South Africa Party.
  5. Systemanalyse und Programmentwicklung, one of the worlds largest software companies.
sartorial Tweet Definition of sartorial Like Definition of sartorial on Facebook
adjective
  1. Of or relating to the tailoring of clothing.
:
  • "His sartorial rebellions were slight: he wore jeans, for example, when giving tutorials." --Parini, Jay, "By Their Clothes Ye Shall Know Them," in The Chronicle of Higher Education, 21 Dec 2001, B24.
scalene Tweet Definition of scalene Like Definition of scalene on Facebook
adjective
  1. (geometry) (of a triangle) having each of its three sides of different lengths.
scalp Tweet Definition of scalp Like Definition of scalp on Facebook
noun
  1. The part of the head where the hair grows from, or used to grow from
verb
  1. The removal of the part of the head from where the hair grows, by brutal act or accident.
  2. (context, slang) To sell for a greatly inflated price to those in desperation, as in scalping tickets to a ball game.
scaphoid Tweet Definition of scaphoid Like Definition of scaphoid on Facebook
noun
  1. (anatomy) A navicular bone.
adjective
  1. shaped like a boat, navicular
scapula Tweet Definition of scapula Like Definition of scapula on Facebook
noun (pl2=scapulae)
  1. (context, anatomy) Either of the two large, flat, bones forming the back of the shoulder.
sciatic Tweet Definition of sciatic Like Definition of sciatic on Facebook
adjective
  1. Of, or relating to the ischium.
  2. Of, or relating to sciatica.
scrotum Tweet Definition of scrotum Like Definition of scrotum on Facebook
noun (pl2=scrota)
  1. (anatomy) The bag of skin and muscle that contains the testicles in mammals.
scruff Tweet Definition of scruff Like Definition of scruff on Facebook
noun
  1. (Also scruff of the neck) The back of the neck
He grabbed his unruly kid by the scruff of the neck, and took him home.
  1. Someone with an untidy appearance
That candidate will never get the job, he's a right scruff.
sebaceous gland Tweet Definition of sebaceous gland Like Definition of sebaceous gland on Facebook
noun
  1. (anatomy) A gland of the skin which secretes an oily substance, sebum, usually into a hair follicle near the surface of the skin.
seminiferous Tweet Definition of seminiferous Like Definition of seminiferous on Facebook
adjective
  1. Conveying, containing, bearing, or producing semen.
sesamoid Tweet Definition of sesamoid Like Definition of sesamoid on Facebook
noun
  1. (anatomy) A sesamoid bone or sesamoid cartilage.
adjective
  1. Resembling a sesame seed in size or shape.
  2. Of or relating to a sesamoid bone.
shank Tweet Definition of shank Like Definition of shank on Facebook
noun
  1. The lower part of the leg; shin.
  2. meat, Meat from that part of an animal.
  3. A straight, narrow part of an object; shaft; stem
  4. A protruding part of an object, by which it is or can be attached.
  5. The metal part on a curb bit that falls below the mouthpiece of the bit, which length controls the severity of the leverage action of the bit, and to which the reins of the bridle are attached
  6. (sports) A poorly played golf shot in which the ball is struck by the part of the club head that connects to the shaft. See thin,fat,toe
  7. (slang) An improvised stabbing weapon
  8. (slang) Bad.
verb
  1. (archaic) To travel on foot
  2. (slang) To stab
adjective
  1. bad, Bad.
shin Tweet Definition of shin Like Definition of shin on Facebook
noun
  1. The front part of the leg below the knee; the front edge of the shin bone; the lower part of the leg; the shank.
verb (shinn, ing)
  1. To climb a mast, tree, rope, or the like, by embracing it alternately with the arms and legs, without help of steps, spurs, or the like; -- used with up.
to up a mast
shinbone Tweet Definition of shinbone Like Definition of shinbone on Facebook
noun
  1. (anatomy) The tibia.
shoulder Tweet Definition of shoulder Like Definition of shoulder on Facebook
noun
  1. (anatomy) The joint between the arm and the torso, sometimes including the surrounding area.
have broad shoulders
  1. A part of a road where drivers may stop in an emergency; a hard shoulder (UK)
He stopped the car on the of the highway to change the flat tire.
verb
  1. (context, transitive) To push (a person or thing) using one's shoulder.
  2. (context, transitive) To carry (something) on one's shoulders.
  3. (context, figurative, transitive) To accept responsibility for.
shoulder the blame
shoulder blade Tweet Definition of shoulder blade Like Definition of shoulder blade on Facebook
noun
  1. Either of the large flat bones at the back of the shoulder.
shunt Tweet Definition of shunt Like Definition of shunt on Facebook
noun
  1. A switch on a railway
  2. A connection used as an alternative path between parts of an electric circuit
  3. A passage between body channels constructed surgically as a bypass
  1. (informal) A minor collision
verb
  1. To turn away or aside
  2. To move a train from one track to another, or to move carriages etc from one train to another
  3. To divert electric current by providing an alternative path
  4. To divert the flow of a body fluid using surgery
  5. (informal) To have a minor collision, especially in a motor car
siderocyte Tweet Definition of siderocyte Like Definition of siderocyte on Facebook
noun
  1. An abnormal red blood cell that has iron granules that are not part of the hemoglobin.
sigmoid Tweet Definition of sigmoid Like Definition of sigmoid on Facebook
noun
  1. (math) A function having a graph whose shape is sigmoid. See w:Sigmoid, Wikipedia, http://mathworld.wolfram.com/SigmoidFunction.html Mathworld.
adjective
  1. (geometry) Curved in two directions, like the letter "S", or the Greek ς (sigma).
  2. (context, geometry, archaic) semi-circular, Semi-circular, like the lunar sigma (similar to English C).
  3. (anatomy) Relating to the sigmoid flexure of the large intestine.
sinew Tweet Definition of sinew Like Definition of sinew on Facebook
noun
  1. (anatomy) A tendon.
  2. vigorous, Vigorous strength; muscular power.
  3. (figuratively) source, Source of acquire, acquiring strength (often plural).
skeletal Tweet Definition of skeletal Like Definition of skeletal on Facebook
adjective
  1. of, or relating to the skeleton
  2. haggard, cadaverous, emaciated or gaunt
skull Tweet Definition of skull Like Definition of skull on Facebook
noun
  1. (anatomy) The main bone of the head; the cranium.
small intestine Tweet Definition of small intestine Like Definition of small intestine on Facebook
noun
  1. (anatomy) The upper part of the intestine, between the stomach and the large intestine, divided into the duodenum, the jejunum and the ileum.
smooth muscle Tweet Definition of smooth muscle Like Definition of smooth muscle on Facebook
noun
  1. (anatomy) involuntary muscle, Involuntary muscle which is found within the intestines, throat, uterus, and blood vessel walls.
snood Tweet Definition of snood Like Definition of snood on Facebook
noun
  1. A band or ribbon for keeping the hair in place, including the hair-band formerly worn in Scotland and northern England by young unmarried women.
  2. A small hairnet or cap worn by women to keep their hair in place.
    • 2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 264:
    • :serious girls with their hair in snoods entered numbers into logbooks ....
      1. The flap of skin on the beak of a turkey.
      2. A short line of horsehair, gut, monofilament, etc., by which a fishhook is attached to a longer (and usually heavier) line; a snell.
verb
  1. To keep the hair in place with a snood.
snout Tweet Definition of snout Like Definition of snout on Facebook
noun
  1. The long, projecting nose, mouth and jaw of a beast, as of pigs.
''The pig rooted around in the dirt with its
  1. The nose of a man, (in contempt).
His glasses kept slipping further down onto his prominent .
  1. The nozzle of a pipe, hose, etc.
If you place the right into the bucket, it won't spray as much.
  1. The anterior prolongation of the head of a gastropod; -- called also rostrum.
  2. The anterior prolongation of the head of weevils and allied beetles.
verbto snout
  1. To furnish with a nozzle or point.
solar plexus Tweet Definition of solar plexus Like Definition of solar plexus on Facebook
noun
  1. (anatomy) A complex network of nerves and ganglion, ganglia, located within the abdomen behind the stomach.
spermatic Tweet Definition of spermatic Like Definition of spermatic on Facebook
adjective
  1. of, pertaining to, or resembling sperm
  2. producing, conveying or containing sperm; seminiferous
sphincter Tweet Definition of sphincter Like Definition of sphincter on Facebook
noun
  1. (anatomy) A ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning.
spinal Tweet Definition of spinal Like Definition of spinal on Facebook
adjective
  1. of or related to the spine
spinal canal Tweet Definition of spinal canal Like Definition of spinal canal on Facebook
noun
  1. (anatomy) The canal which runs down through the vertebrae and contains the spinal cord and spinal meninges.
spinal column Tweet Definition of spinal column Like Definition of spinal column on Facebook
noun
  1. (anatomy) The series of vertebrae, separated by disks, that extends from the cranium to the coccyx, which encloses and protects the spinal cord.
spinal cord Tweet Definition of spinal cord Like Definition of spinal cord on Facebook
noun (Commons, Spinal cord)
  1. (anatomy) A thick, whitish cord of nerve tissue which is a major part of the vertebrate central nervous system. It extends from the brainstem down through the spine, with nerves branching off to various parts of the body.
spleen Tweet Definition of spleen Like Definition of spleen on Facebook
noun
  1. (context, anatomy, immunology) In vertebrates, including humans, a ductless vascular gland, located in the left upper abdomen near the stomach, which destroys old red blood cells, removes debris from the bloodstream, acts as a reservoir of blood, and produces lymphocytes.
  2. (context, archaic, except in the set phrase ''"to vent
    1. Verb, vent one"s spleen") A bad mood; spitefulness.
splenic Tweet Definition of splenic Like Definition of splenic on Facebook
adjective
  1. Of, related to, or located near the spleen
    • 1619: w:Samuel Purchas, Samuel Purchas, Purchas His Pilgrim: Microcosmus, Or the Historie of Man
    • :The Liuer by the splenike branch, transferreth them to the Serjeant of the scullery the Splene.
stapes Tweet Definition of stapes Like Definition of stapes on Facebook
noun (stapes, pl2=stapedes)
  1. (anatomy) A small stirrup-shaped bone of the middle ear.
sternal Tweet Definition of sternal Like Definition of sternal on Facebook
adjective
  1. Of, relating to, or near the sternum.
stomach Tweet Definition of stomach Like Definition of stomach on Facebook
noun
  1. An organ in animals that stores food in the process of digestion.
  2. (informal) The belly.
striation Tweet Definition of striation Like Definition of striation on Facebook
noun
  1. (countable) (mineralogy) One of a number of parallel grooves and ridges in a rock, formed by repeated twinning of crystals.
  2. (countable) (geomorphology) One of a number of parallel scratch lines in rock outcrops, formed when glaciers dragged rocks across the landscape.
    1. The action of marking with a stria.
    2. The result of being marked with a stria.
stroma Tweet Definition of stroma Like Definition of stroma on Facebook
noun (plural stromata)
  1. (anatomy) the tissue structure of an organ etc that serves to support it
subclavian artery Tweet Definition of subclavian artery Like Definition of subclavian artery on Facebook
noun (subclavian arteries)
  1. (anatomy) One of two major arteries (left and right) of the upper thorax located beneath the clavicle and supplying the upper extremities and head.
subcutaneous Tweet Definition of subcutaneous Like Definition of subcutaneous on Facebook
adjective
  1. Pertaining to the fatty layer under the skin.
substantia nigra Tweet Definition of substantia nigra Like Definition of substantia nigra on Facebook
noun
  1. The name given to the dopaminergic pars in the tegmentum, which is naturally colored black.
  1. Another part is the pars reticulata GABAergic close to pallidum
    1. The nucleus which is damaged in the brain of Parkinson's and Parkinsonian patients.
sulcus Tweet Definition of sulcus Like Definition of sulcus on Facebook
noun (sulci)
  1. (anatomy) a furrow or groove in an organ or a tissue
  2. (anatomy) any of the grooves that mark the convolutions of the surface of the brain
  3. (planetology) subparallel grooves and ditches formed by geological processes
    (wikipedia, sulcus (neuroanatomy))
superior vena cava Tweet Definition of superior vena cava Like Definition of superior vena cava on Facebook
noun
  1. (anatomy) The large vein which returns blood from the head, neck, thorax and both upper limbs to the right atrium of the heart.
suprarenal Tweet Definition of suprarenal Like Definition of suprarenal on Facebook
adjective
  1. located on, or above the kidney
suprarenal gland Tweet Definition of suprarenal gland Like Definition of suprarenal gland on Facebook
noun
  1. The adrenal gland, which is located just above the kidney in humans.
symphysis Tweet Definition of symphysis Like Definition of symphysis on Facebook
noun (symphyses)
  1. The process of two, originally separate bones growing together as the mammalian subject matures, as with the pubic bones or lower jawbones in humans.
  2. A line discernable on x-ray showing such fusion.
  3. The cartilagenous material that adjoins and facilitates the junction of such bones, with or without synovia.

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