|
|
|
sacral nerves
|
(say'kral) five pairs of nerves leaving the spinal column in the
sacral area.
Body system
terms : Nervous system
|
|
|
|
sacrum
|
(say'krum) broad, flat,
triangular-shaped plate of bone formed by five fused vertebrae; the sacrum is located
between the pelvic bones with the lumbar
vertebrae above and the coccyx
below.
Body system
terms : Musculoskeletal system
|
|
|
|
salivary glands
|
(sa-ly'ver-ee) oral glands which
secrete saliva to start chemical digestion and to moisten food
to facilitate swallowing.
Body system
terms : Digestive system
|
|
|
|
scapula
|
(skap'yoo-lah) large flat triangular
bone; also called the shoulder blade.
Body system
terms : Musculoskeletal system
|
|
|
|
sclera
|
(skleer'a) the tough, white outer coat
of the eyeball, continuous with the cornea
.
Body system
terms : The eyes
|
|
|
|
-scopy
|
(-skop-ee) inspection, examination
e.g. cystoscopy = inspection of urinary bladder with a
cystoscope.
General terms :
Suffixes
|
|
|
|
scrotum
|
(skroh�tum) pouch which contains
testes and accessory structures.
Body system
terms : Endocrine system
|
|
|
|
scrotum
|
(skroh�tum) two-compartment pouch of
tissue located externally on the male body; contains the testes.
Body system
terms : Reproductive system
|
|
|
|
sebaceous glands
|
(seb-ay�shus) glands which secrete
oil (sebum).
Body system
terms : Skin and subcutaneous tissue
|
|
|
|
semen
|
(see�men) thick white fluid which
contains sperm and other secretions.
Body system
terms : Reproductive system
|
|
|
|
semi-
|
(sem-i-) half e.g. semilunar =
half moon shaped bone of hand.
General terms :
Prefixes
|
|
|
|
semicircular canals
|
three bony canals of the inner ear concerned with the
maintenance of balance.
Body system
terms : The ears
|
|
|
|
semilunar cartilages
|
(sem'ee-loo'ner) two crescent shaped
cartilages in the kneejoint.
Body system
terms : Musculoskeletal system
|
|
|
|
seminal duct
|
(sem�i-nul) one of two channels which
convey semen.
Body system
terms : Reproductive system
|
|
|
|
seminal vesicle
|
(sem�i-nul ves�i-kl) one of two small
pouches attached to the bladder which
join with the seminal ducts to form
the ejaculatory ducts.
Body system
terms : Reproductive system
|
|
|
|
sensory nerve
|
a nerve which
perceives sensations such as pain, touch, and pressure, and
conducts them towards a centre (an afferent
nerve).
Body system
terms : Nervous system
|
|
|
|
sensory perception
|
recognition of sensation such as pain,
touch, pressure or temperature change.
Body system
terms : Skin and subcutaneous tissue
|
|
|
|
septum
|
(sept'um)
heart muscle which separates the
right and left sides of the heart.
Body system
terms : Blood, and the circulatory system
|
|
|
|
sigmoid colectomy
|
(sig'moyd col-ekt'oh-mee) surgical
removal of the sigmoid colon.
Diseases &
procedures : Procedures
|
|
|
|
sigmoid colon
|
(sig'moyd koh�lon) S-shaped terminal
part of the descending colon, leading
to the rectum.
Body system
terms : Digestive system
|
|
|
|
sinusitis
|
(sy-nyoo-sy'tis) inflammation of the
membrane lining the facial sinuses caused by infection, usually
spread from the nose.
Diseases &
procedures : Diseases
|
|
|
|
skeletal muscle
|
(skel'it-ul)
striated muscle which is attached to
bone.
Body system
terms : Musculoskeletal system
|
|
|
|
skeleton
|
bony framework of the body.
Body system
terms : Musculoskeletal system
|
|
|
|
skin
|
the body covering.
Body system
terms : Skin and subcutaneous tissue
|
|
|
|
skin biopsy
|
(by'op-see) surgical procedure in which
a sample of skin tissue is removed for microscopic examination
in a laboratory.
Diseases &
procedures : Procedures
|
|
|
|
skin graft
|
the transfer of a piece of skin, usually a
person�s own but occasionally from a donor, from one area of the
body to another.
Diseases &
procedures : Procedures
|
|
|
|
small intestine
|
see intestine, small
.
Body system
terms : Digestive system
|
|
|
|
smooth muscle
|
voluntary muscle tissue which lacks
cross-striations on microscopic exam; found in areas such as the
gastrointestinal tract, respiratory tract and uterus.
Body system
terms : Musculoskeletal system
|
|
|
|
-spasm
|
(-spaz-um) involuntary contraction
e.g. enterospasm = intermittent, painful intestinal
contractions.
General terms :
Suffixes
|
|
|
|
sperm motility
|
ability of male germ cells to move about.
Body system
terms : Reproductive system
|
|
|
|
sperm; spermatozoon
|
(spur-ma-toh-zoh�on) male germ cell;
plural: spermatazoa.
Body system
terms : Reproductive system
|
|
|
|
spermatic cord
|
(spur-ma�tik) tubal passageway by
which the testis is suspended in the
scrotum.
Body system
terms : Reproductive system
|
|
|
|
sphincter of Oddi
|
(sfink'ter) the sheath of muscle fibres
which controls the flow of fluids from the
ampulla of Vater into the
duodenum.
Body system
terms : Digestive system
|
|
|
|
spinal cord
|
(spy'nul) the major pathway for
transmission of nerve impulses between the
brain and parts of the body; the spinal cord extends
about 45 cm from the base of the brain
down the spinal canal.
Body system
terms : Nervous system
|
|
|
|
spinal nerves
|
(spy'nul) the 31 pairs of nerves that arise from the spinal cord and emerge between the
vertebrae.
Body system
terms : Nervous system
|
|
|
|
spine
|
the spinal column or
vertebral column.
Body system
terms : Musculoskeletal system
|
|
|
|
spleen
|
(splee-n) a large lymphoid organ
located in the left upper abdomen
behind the stomach; plays a role in
lymphocyte production and in the
destruction and possibly the storage of red
blood cells.
Body system
terms : Blood, and the circulatory system
|
|
|
|
splenic flexure
|
(splen'ik flek'shur) a bend in the
colon at the junction of the transverse colon and descending colon.
Body system
terms : Digestive system
|
|
|
|
spondyl-
|
(spond-il-) (to do with a) vertebra or
the spinal column.
General terms :
Root words
|
|
|
|
sprain
|
(sprayn)tearing or stretching of the
ligaments that hold together the
bone ends in a joint, caused by a
sudden pull.
Diseases &
procedures : Diseases
|
|
|
|
stapedectomy
|
(stay-pi-dekt'oh-mee) replacing a
diseased stapes (stirrup bone) within
the ear.
Diseases &
procedures : Procedures
|
|
|
|
stapes
|
(stay�peez) one of the three auditory ossicles; stirrup-shaped.
Body system
terms : The ears
|
|
|
|
sternum
|
(stir�num) the breastbone.
Body system
terms : Musculoskeletal system
|
|
|
|
stomach
|
(stum'uk) the saclike organ between the
oesophagus and
duodenum, which acts as a reservoir for food while
digestive enzymes and hydrochloric acid act on it.
Body system
terms : Digestive system
|
|
|
|
-stomy
|
(-stom-ee) creation of an artificial
opening e.g. cystostomy = creation of an opening through
the abdomen into the urinary bladder.
General terms :
Suffixes
|
|
|
|
striated muscle
|
(stree�ay-ted) any muscle whose
fibres are divided into cross striations; responsible for the
movement of bones; also known as voluntary
muscle.
Body system
terms : Musculoskeletal system
|
|
|
|
sub-
|
(sub-) under, beneath, below e.g.
subclavicular = beneath the clavicle.
General terms :
Prefixes
|
|
|
|
subclavian artery
|
(sub-klay�vee-an) large vessel which
branches off the aortic arch on the
left and the brachiocephalic trunk on the right to supply blood
to areas of the trunk, head and upper extremities; also known as
the innominate artery.
Body system
terms : Blood, and the circulatory system
|
|
|
|
subcutaneous tissue
|
(sub'kew-tay'nee-uss) tissue directly
beneath the dermis.
Body system
terms : Skin and subcutaneous tissue
|
|
|
|
sublingual glands
|
(sub-lin'gwal)
salivary glands below the tongue.
Body system
terms : Digestive system
|
|
|
|
submandibular glands
|
(sub-man-dib'yoo-ler)
salivary glands on the inner side of
the lower jaw.
Body system
terms : Digestive system
|
|
|
|
submucous resection
|
(sub-myoo'kus ree-sek'shun) an
operation to relieve nasal obstruction by removing displaced
cartilage and bone from underneath
the mucous membrane of a deviated
nasal septum.
Diseases &
procedures : Procedures
|
|
|
|
super-, supra-
|
(soo-pur-, soo-prah-) above, beyond,
superior e.g. suprarenal = above the kidney.
General terms :
Prefixes
|
|
|
|
superficial
|
(soo'per-fish'ul) referring to or
closer to the surface.
General terms :
Views of the body
|
|
|
|
superior
|
(soo-peer'-ee-or) situated above.
General terms :
Views of the body
|
|
|
|
superior canaliculus
|
(kan-ah-lik'yoo-lus) tube-like
structure running within the upper eyelid
, parallel to the lid margin.
Body system
terms : The eyes
|
|
|
|
superior oblique
|
(ob-leek') muscle of the eye which
works together with other eye muscles to move the eye in
horizontal and vertical gaze.
Body system
terms : The eyes
|
|
|
|
superior rectus
|
(rek'tus) muscle of the eye which works
together with other eye muscles to move the eye in horizontal
and vertical gaze.
Body system
terms : The eyes
|
|
|
|
superior vena cava
|
(vee'ner kay'ver) main vein that drains blood from the head,
neck, upper limbs and thorax and enters the right atrium of the heart
.
Body system
terms : Blood, and the circulatory system
|
|
|
|
supination
|
(soo'pin-ay'shun) the act of turning
the hand so that the palm is uppermost.
General terms :
Movements of the body
|
|
|
|
sweat glands
|
glands located in the
dermis that release sweat onto the skin through pores or hair
follicles.
Body system
terms : Skin and subcutaneous tissue
|
|
|
|
sym-, syn-
|
(sim-, sin-) with, along, together,
beside e.g. syndactylism = fusion of two or more fingers or
toes.
General terms :
Prefixes
|
|
|
|
sympathetic nervous system
|
portion of the
autonomic nervous system that leaves the central nervous system at the
thoracolumbar region and prepares the body for "fight and
flight" in exciting or stressful situations, increasing
adrenaline and norandrenaline secretion; see also parasympathetic nervous system.
Body system
terms : Nervous system
|
|
|
|
synarthrosis
|
(sin-arth-roh'sis) a fibrous joint.
Body system
terms : Musculoskeletal system
|
|
|
|
synovial fluid
|
(sy-no'vee-al) thick, colourless
fluid that surrounds and lubricates a
synovial joint.
Body system
terms : Musculoskeletal system
|
|
|
|
synovial joint
|
(sy-no'vee-al) a freely movable joint - the ends of the bones forming
the joint are covered with thin layers of
cartilage and the bones are linked by ligament lined with synovial membrane; also known as a
diarthrosis.
Body system
terms : Musculoskeletal system
|
|
|
|
synovial membrane
|
(sy-no'vee-al) lining of the joint capsule which secretes
lubricating synovial fluid.
Body system
terms : Musculoskeletal system
|
|
|
|
systemic circulation
|
(sis-tem�ik) the circulation of blood
from the left ventricle of the heart via the aorta
to all parts of the body and back to the right atrium via the
venae cavae.
Body system
terms : Blood, and the circulatory system
|
|
|
|
systole
|
(sis'toh-lee) the contraction stage of
the cardiac cycle.
Body system
terms : Blood, and the circulatory system
|
|
|
|