|
|
|
|
|
pacemaker
|
surgical implantation of an electronic
device that produces regular short pulses of electricity to
promote contraction of the heart
muscle in people with a defect of the
heart�s conduction system.
Diseases &
procedures : Procedures
|
|
|
|
|
|
|
|
pancreas
|
(pan�kree-as)
a gland which is both
endocrine and
exocrine; located behind the
stomach, the pancreas produces secretions concerned
with digestion.
Body system
terms : Endocrine system
|
|
|
|
|
|
|
|
pancreas
|
(pan�kree-as)
a gland which is both
endocrine and
exocrine; located behind the
stomach, the pancreas produces secretions concerned
with digestion.
Body system
terms : Digestive system
|
|
|
|
|
|
|
|
pancreatic duct
|
(pan-kree-at'ik)
passage leading from
the pancreas into the duodenum.
Body system
terms : Digestive system
|
|
|
|
|
|
|
|
pancreatitis
|
(pan-kree-a-ty'tis)
inflammation of the
pancreas.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
par-, para-
|
(par-, para-)
beside, beyond
e.g.
paramastoid = near the mastoid process.
General terms :
Prefixes
|
|
|
|
|
|
|
|
parasympathetic nervous system
|
portion of the
autonomic nervous system that leaves the central nervous system in the cranial
and sacral regions of the spine and has a general calming effect
on the body; see also sympathetic
nervous system.
Body system
terms : Nervous system
|
|
|
|
|
|
|
|
parathyroid glands
|
(par-a-thy�royd)
two pairs of small
endocrine glands usually attached to
the back of the thyroid gland.
Body system
terms : Endocrine system
|
|
|
|
|
|
|
|
Parkinson�s disease
|
a neurological movement disorder
characterised by slowness and difficulty initiating movement,
which may also be associated with movement and/or tremor.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
patella
|
(pat-ell'er)
the
kneecap.
Body system
terms : Musculoskeletal system
|
|
|
|
|
|
|
|
patellar tendon
|
(pat-el�lah)
strong cord of fibrous
tissue which connects the rectus femoris
muscle to the kneecap.
Body system
terms : Musculoskeletal system
|
|
|
|
|
|
|
|
-pathy
|
(-path-ee)
disease
e.g. myopathy =
disease of the muscle.
General terms :
Suffixes
|
|
|
|
|
|
|
|
pectoralis major
|
(pek'tor-ar'lis may'jer)
muscle of the
chest and upper arm which adducts, flexes and rotates the arm
medially.
Body system
terms : Musculoskeletal system
|
|
|
|
|
|
|
|
pelvis
|
(pel�vis)
bony structure surrounding
the pelvic cavity.
Body system
terms : Musculoskeletal system
|
|
|
|
|
|
|
|
-penia
|
(-pee-nee-ah)
abnormal reduction
e.g. leucopenia = decrease of white blood cells.
General terms :
Suffixes
|
|
|
|
|
|
|
|
penis
|
(pee�nis)
male sexual organ.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
penis
|
(pee�nis)
male organ of sexual
intercourse through which the urethra
passes.
Body system
terms : Urinary system
|
|
|
|
|
|
|
|
peri-
|
(per-i-)
around, about
e.g.
pericardium = two membranous sacs which surround the heart.
General terms :
Prefixes
|
|
|
|
|
|
|
|
pericardium
|
(per'ee-kar'dee-um)
outermost layer of
the three layers of the heart - the
fibroserous sac enclosing the heart; see also endocardium and
myocardium.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
perineum
|
(per-i-nee�um)
space between the
vagina and rectum
or between scrotum and rectum.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
periosteum
|
(per-ee-os�tee-um)
double layer of
connective tissue which covers bone except at joints; inner layer can form new bone
cells.
Body system
terms : Musculoskeletal system
|
|
|
|
|
|
|
|
peripheral
|
(per-if'er-ul)
situated away from the
centre.
General terms :
Views of the body
|
|
|
|
|
|
|
|
peripheral nerve
|
(per-if�er-ul)
an outlying nerve, distal
from its origin at the spinal cord
; see motor nerve and sensory nerve.
Body system
terms : Nervous system
|
|
|
|
|
|
|
|
peritoneum
|
(pe-rit-on-ee'um)
a large protective
membrane that surrounds many of the organs in the abdomen and pelvic regions.
Body system
terms : Digestive system
|
|
|
|
|
|
|
|
peritoneum
|
(per-i-ton-ee'um)
the serous membrane
which lines the wall of the abdominal and pelvic cavities.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
-pexy
|
(-peks-ee)
fixation
e.g. mastopexy
= fixation of a pendulous breast.
General terms :
Suffixes
|
|
|
|
|
|
|
|
phag-
|
(fag-)
eating
e.g. phagocyte = a
cell able to engulf and digest bacteria etc.
General terms :
Prefixes
|
|
|
|
|
|
|
|
phalanges
|
(fa-lan'jeez)
14 long bones of each
hand and foot; three in each finger and toe, except the great
toe and thumb, which only have two.
Body system
terms : Musculoskeletal system
|
|
|
|
|
|
|
|
pharyngotympanic tube
|
(fa-ring-oh-tim-pan'ik)
Eustachian tube or canal; a tube
extending from the middle ear to the
nasal part of the pharynx.
Body system
terms : The ears
|
|
|
|
|
|
|
|
pharynx
|
(fa�rinks)
area in the back of the
mouth which serves as passageway for air from the nasal cavity
to the larynx and for food from the
mouth to the oesphagus.
Body system
terms : Respiratory system
|
|
|
|
|
|
|
|
pharynx
|
(fa�rinks)
cavity common to the
digestive system and the respiratory system by which food passes
from the mouth to the oesophagus.
Body system
terms : Digestive system
|
|
|
|
|
|
|
|
phimosis
|
(fy-moh'sis)
tightness of the foreskin.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
phlebotomy
|
(fli-bot'oh-mee)
puncture of a vein, usually to withdraw blood.
Diseases &
procedures : Procedures
|
|
|
|
|
|
|
|
phosphorus
|
(fos�fo-rus)
a non-metallic element
normally found in the body.
Body system
terms : Endocrine system
|
|
|
|
|
|
|
|
piles
|
haemorrhoids.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
pinna
|
(pin�nah)
the portion of the outer ear visible at the side of the
head.
Body system
terms : The ears
|
|
|
|
|
|
|
|
pituitary gland
|
(pi-tyoo�i-ta-ree)
the master gland
of the body; located at the base of the brain, it controls and
influences organs and body processes.
Body system
terms : Endocrine system
|
|
|
|
|
|
|
|
pivot joints
|
joints that allow movement around one
axis only, i.e. rotation only.
Body system
terms : Musculoskeletal system
|
|
|
|
|
|
|
|
placenta
|
(pla-sent'er)
the mass of tissue
connected to the foetus by the umbilical cord which transfers oxygen
and nutrients from the mother's bloodstream.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
plantar flexion
|
(plan'ter flek'shun)
bending the toes
or fingers towards the sole or palm.
General terms :
Movements of the body
|
|
|
|
|
|
|
|
plasma
|
(plaz�mah)
the fluid portion of blood
in which cells are suspended.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
-plasty
|
(-plas-tee)
plastic repair
e.g.
arthroplasty = plastic surgery of a joint.
General terms :
Suffixes
|
|
|
|
|
|
|
|
platelets
|
thrombocytes which initiate the
clotting mechanism.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
pleura
|
(ploor�ah)
membranous sac which
encloses the lungs and lines the
chest cavity; parietal pleura lines the chest cavity and
visceral pleura adheres closely to the lungs
.
Body system
terms : Respiratory system
|
|
|
|
|
|
|
|
pleural cavity
|
(ploor�al)
the space between the
parietal and visceral pleura.
Body system
terms : Respiratory system
|
|
|
|
|
|
|
|
pleural effusion
|
(ploo'ral eff-yoo'zhun)
an accumulation
of fluid between the layers of the pleura
.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
pneumo-
|
(new-moh-)
(to do with a) lung.
General terms :
Root words
|
|
|
|
|
|
|
|
pneumonia
|
(nyoo-moh'nee-ar)
inflammation of the
lungs due to infection.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
pneumothorax
|
(nyoo-moh-thor'aks)
presence of air in
the pleural cavity.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
pons (Varolii)
|
(ponz (va-roh'lee-eye))
an area of
the brain which shares concern for
respiratory function with the medulla
oblongata; often just referred to as the pons.
Body system
terms : Respiratory system
|
|
|
|
|
|
|
|
popliteal (posterior) vein
|
(pop-lit'ee-ul)
vein behind the knee formed by the
union of the anterior and posterior tibial veins, becoming the
femoral vein at the adductor hiatus
muscle.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
pore
|
small opening in the skin that releases
sweat or oil (sebum).
Body system
terms : Skin and subcutaneous tissue
|
|
|
|
|
|
|
|
portal circulation
|
(por'tul)
the part of the circulatory
system in which, instead of returning directly to the heart, venous blood passes from the
capillary bed of the abdominal part of the digestive system and
the spleen via the capillary bed of
the liver.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
posterior
|
(pos-teer'ee-or)
toward or relating to
the back surface of (any point of reference); also called dorsal.
General terms :
Views of the body
|
|
|
|
|
|
|
|
posterior chamber
|
(pos-tee'ree-or)
the space containing
aqueous humour between the iris and the lens
and suspensory ligaments.
Body system
terms : The eyes
|
|
|
|
|
|
|
|
pre-
|
(pree-)
before, in front of
e.g.
precancerous = before the development of carcinoma.
General terms :
Prefixes
|
|
|
|
|
|
|
|
pregnancy
|
(preg�nan-see)
condition in which the
fertilized egg normally is implanted in the uterine lining,
grows and develops for about nine months until the infant is
capable of living in the outside environment.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
prepuce
|
(pree'pews)
the
foreskin.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
pro-
|
(pro-)
before, in front of
e.g.
prognosis = prediction of the outcome of a disease.
General terms :
Prefixes
|
|
|
|
|
|
|
|
procreation
|
(pro-kree-ay�shun)
entire process of
creating new life.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
proct-
|
(proct-)
(to do with the) anus.
General terms :
Root words
|
|
|
|
|
|
|
|
progesterone
|
(pro-jes'ter-own)
the hormone which stimulates the growth and
secretion of endometrial glands of the
uterus before menstruation
.
Body system
terms : Endocrine system
|
|
|
|
|
|
|
|
prostate
|
(pros�tate)
a gland in the male which
surrounds the bladder neck and urethra; prostatic fluid is secreted by
the prostate.
Body system
terms : Urinary system
|
|
|
|
|
|
|
|
prostate gland
|
(pros'tayt)
gland in the male which
surrounds the bladder neck and
contributes secretions to seminal fluid.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
prostatectomy
|
(pros-tayt-ekt'oh-mee)
surgical removal
of the prostate gland.
Diseases &
procedures : Procedures
|
|
|
|
|
|
|
|
prostatitis
|
(pros-ta-ty'tis)inflammation of the prostate gland.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
proximal
|
(prok�si-mul)
nearest (to any point
of reference).
General terms :
Views of the body
|
|
|
|
|
|
|
|
psoriasis
|
(sor-eye'a-sis)
skin disease
characterised by thickened patches of red, inflamed skin, often
covered by silvery scales.
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
psych-
|
(sy-k-)
(to do with the) soul or mind.
General terms :
Root words
|
|
|
|
|
|
|
|
-ptosis
|
(-p-toh-sis)
falling
e.g.
nephroptosis = downward displacement of the kidney.
General terms :
Suffixes
|
|
|
|
|
|
|
|
puberty
|
(pew�ber-tee)
time of appearance of
adult secondary sex characteristics (breast and body
development, ovulation and menstruation in the female; voice
change, hair distribution, and functional
spermatozoa in the male).
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
puberty
|
(pyoo�ber-tee)
onset of sexual
maturity; appearance of adult secondary sex characteristics.
Body system
terms : Endocrine system
|
|
|
|
|
|
|
|
pubic
|
(pew�bik)
area anterior to the front
of the pelvis where the pelvic bones join.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
pubis
|
(pyoo'bis)
the bone that forms the
front part of the pelvis.
Body system
terms : Musculoskeletal system
|
|
|
|
|
|
|
|
puerperium
|
(pew-er-peer'-ee-um)
the period of
forty-two days following childbirth.
Body system
terms : Reproductive system
|
|
|
|
|
|
|
|
pulmonary artery
|
(pul�moh-ner-ee)
artery which carries venous blood
from the right ventricle of the heart to the lungs
for oxygenation.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
pulmonary circulation
|
(pul�moh-ner-ee)
the circulation of
blood from the right ventricle of the
heart to the
lungs and back to the left atrium
.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
pulmonary embolism
|
(pul'mon-er-i em'bol-izm)
obstruction
of the pulmonary artery or one of the
branches in the lung, by an embolus
(blood clot).
Diseases &
procedures : Diseases
|
|
|
|
|
|
|
|
pulmonary valve
|
(pul�moh-ner-ee)
the valve at the entrance of the pulmonary artery from the right ventricle.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
pulmonary vein
|
(pul�moh-ner-ee)
vein that returns oxygenated blood
from the lung to the left atrium of
the heart.
Body system
terms : Blood, and the circulatory system
|
|
|
|
|
|
|
|
punctum
|
(punk'tum)
an elevated opening toward
the medial aspect of each eyelid,
opening into a canaliculus.
Body system
terms : The eyes
|
|
|
|
|
|
|
|
pupil
|
(pyoo'pul)
opening at the centre of the
iris.
Body system
terms : The eyes
|
|
|
|
|
|
|
|
py-
|
(py-)
(to do with) pus.
General terms :
Root words
|
|
|
|
|
|
|
|
pyel-
|
(py-el-)
(to do with the) pelvis.
General terms :
Root words
|
|
|
|
|
|
|
|
pylorus
|
(pi-law'rus)
the lower opening of the
stomach which opens into the duodenum.
Body system
terms : Digestive system
|
|
|
|
|
|
|
