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Medical Terminology Ch. 2
The Human Body in Health and Disease
130
Biology
Undergraduate 2
06/24/2014

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Term
anatomy
Definition
the study of the structures of the body
Term
physiology
Definition
the study of the functions of the structures of the body
Term
midsagittal plane
Definition
the sagittal plane that divides the body into equal left and right halves
Term
sagittal plane
Definition
a vertical plane that divides the body into unequal left and right portions
Term
frontal plane
Definition
vertical plane that divides the body into anterior and posterior portions
Term
coronal plane
Definition
alternate name for the frontal plane
Term
transverse plane
Definition
a horizontal plane that divides the body into superior and inferior portions
Term
ventral
Definition
the front, or belly side, of the organ or body
Term
dorsal
Definition
the back of the organ or body
Term
anterior
Definition
situated in the front, or the front or forward part of an organ
Term
posterior
Definition
situated in the back, or the back part of an organ
Term
superior
Definition
uppermost, above, or toward the head
Term
inferior
Definition
lowermost, below, toward the feet
Term
cephalic
Definition
toward the head
Term
caudal
Definition
toward the lower part of the body
Term
proximal
Definition
situated nearest the midline or beginning of a body structure
Term
distal
Definition
situated farthest from the midline or beginning of a body structure
Term
medial
Definition
direction toward, or nearer, the midline
Term
lateral
Definition
direction toward, or nearer, the side and away from the midline
Term
dorsal cavity
Definition
located along the back of the body and head, it contains the organs of the nervous system
Term
cranial cavity
Definition
located within the skull
Term
spinal cavity
Definition
located within the spinal column
Term
ventral cavity
Definition
located along the front of the body, it contains the organs that maintain homeostasis
Term
home/o
Definition
constant
Term
-stasis
Definition
control
Term
thoracic cavity
Definition
surrounds and protects the heart and lungs
Term
abdominal cavity
Definition
contains primarily the major organs of digestion, referred to as the abdomen
Term
pelvic cavity
Definition
the space formed by the hip bones, contains primarily the organs of the reproductive and excretory systems
Term
inguinal
Definition
relating to the groin, the entire lower area of the abdomen
Term
groin
Definition
the crease at the junction of the trunk with the upper end of the thigh
Term
hypochondriac regions
Definition
located on the left and right sides of the body, covered by the lower ribs
Term
chondr/i
Definition
cartilage
Term
epigastric regions
Definition
located above the stomach
Term
lumbar regions
Definition
located on the left and right sides near the inward curve of the spine
Term
lumb
Definition
lower back
Term
umbilical region
Definition
surrounds the umbilicus
Term
umbilicus
Definition
belly button/navel
Term
iliac regions
Definition
located on the left and right sides over the hip bone
Term
hypogastric region
Definition
located below the stomach
Term
peritoneum
Definition
a multilayered membrane that protects and holds the organs in place within the abdominal cavity
Term
parietal peritoneum
Definition
the outer layer of the periotneum that lines the interior of the abdominal wall
Term
parietal
Definition
cavity wall
Term
visceral peritoneum
Definition
the inner layer of the periotneum that surrounds the organs of the abdominal cavity
Term
visceral
Definition
relating to the internal organs
Term
mesentery
Definition
a fused double layer of the parietal peritoneum that attaches parts of the intestine to the interior abdominal wall
Term
retroperitoneal
Definition
located behind the peritoneum
Term
retro-
Definition
behind
Term
peritonitis
Definition
inflammation of the peritoneum
Term
cyt
Definition
cell
Term
-plasm
Definition
formative material of cells
Term
adult stem cells
Definition
somatic cells; undifferentiated cells found among differentiated cells in a tissue or organ
Term
hemopoietic
Definition
blood forming
Term
graft versus host disease
Definition
rejection of donor cells by recipient immune system
Term
embyronic stem cells
Definition
undifferentiated cells that are unlike any specific adult cell; can form any adult cell
Term
cord blood
Definition
blood found in the umbilical cord and placenta of a newborn infant
Term
gene
Definition
producing
Term
sickle cell anemia
Definition
a group of inherited red blood cell disorders that are transmitted by a recessive gene
Term
cystic fibrosis
Definition
a genetic disorder that is present at birth and affects both the respiratory and digestive system
Term
down syndrome
Definition
a genetic variation that is associated with characteristic facial appearance, learning disabilities, and physical abnormalities such as heart valve disease
Term
hemophilia
Definition
a group of hereditary bleeding disorders in which a blood-clotting factor is missing
Term
huntington's disease
Definition
a genetic disorder passed from parent to child, causing nerve degeneration with symptoms that most often appear in mid-life
Term
muscular dystrophy
Definition
the term used to describe a group of genetic diseases that are characterized by progressive weakness and degeneration of the skeletal muscles that control movement
Term
phenylketonuria
Definition
commonly known as PKU, a genetic disorder in which the essential digestive enzyme phenylalanine hydroxylase is missing
Term
tay-sachs disease
Definition
a fatal genetic disorder in which harmful quantities of fatty substance build up in tissues and nerve cells in the brain
Term
histology
Definition
the study of the structure, composition, and function of tissues
Term
hist
Definition
tissue
Term
epithelial tissues
Definition
form a protective covering for all of the internal and external surfaces of the body, and also form glands
Term
epithelium
Definition
the specialized epithelial tissue that forms the epidermis of the skin and the surface layer of mucous membranes
Term
endothelium
Definition
the specialized epithelial tissue that lines the blood and lymph vessels, body cavities, glands, and organs
Term
connective tissues
Definition
support and connect organs and other body tissues
Term
dense connective tissue
Definition
including bone and cartilage, form the joints and framework of the body
Term
adipose tissue
Definition
fat; provides protective padding, insulation, and support
Term
adip
Definition
fat
Term
loose connective tissue
Definition
surrounds various organs and supports both nerve cells and blood vessels
Term
liquid connective tissues
Definition
blood and lymph; transport nutrients and waste products throughout the body
Term
aplasia
Definition
the defective development, or congenital absence, of an organ or tissue
Term
-plasia
Definition
formation
Term
hypoplasia
Definition
the incomplete development of an organ or tissue usually due to a deficiency in the number of cells
Term
anaplasia
Definition
a change in the structure of cells and in their orientation to each other
Term
ana-
Definition
excessive
Term
dysplasia
Definition
abnormal development or growth of cells, tissues, or organs
Term
hyperplasia
Definition
the enlargement of an organ or tissue because of an abnormal increase in the number of cells in the tissues
Term
hypertrophy
Definition
a general increase in the bulk of a body part or organ that is due to an increase in the size, but not in the number, of cells in the tissues
Term
gland
Definition
a group of specialized epithelial cells that are capable of producing secretions
Term
exocrine glands
Definition
ex. sweat glands; secrete chemical substances into ducts that lead either to other organs or out of the body
Term
exo-
Definition
out of
Term
-crine
Definition
to secrete
Term
endocrine glands
Definition
produce hormones; do not have ducts, and are secreted directly into the bloodstream
Term
adenitis
Definition
the inflammation of a gland
Term
aden
Definition
gland
Term
adenocarcinoma
Definition
a malignant tumor that originates in glandular tissue
Term
carcin
Definition
cancerous
Term
adenoma
Definition
a benign tumor that arises in, or resembles, glandular tissue
Term
adenomalacia
Definition
the abnormal softening of a gland
Term
adenosis
Definition
any disease condition of a gland
Term
adenosclerosis
Definition
the abnormal hardening of a gland
Term
adenectomy
Definition
the surgical removal of a gland
Term
postmortem
Definition
after death
Term
autopsy
Definition
postmortem examination
Term
transmission
Definition
the spread of a disease
Term
contamination
Definition
a pathogen is possibly present
Term
communicable disease
Definition
contagious disease; any condition that is transmitted from one person to another
Term
indirect contact transmission
Definition
situations in which a susceptible person is infected by contact with a contaminated surface
Term
bloodborne transmission
Definition
the spread of a disease through contact with blood or other body fluids that are contaminated with blood
Term
airborne transmission
Definition
occurs through contact with contaminated respiratory droplets spread by a cough or sneeze
Term
foodborne and waterborne transmission
Definition
fecal-oral transmission; caused by eating or drinking contaminated food or water that has not been properly treated to remove contamination or kill pathogens present
Term
vector-borne transmission
Definition
the spread of a certain disease due to the bite of a vector
Term
etiology
Definition
the study of the cause of disease
Term
eti-
Definition
cause
Term
endemic
Definition
refers to the ongoing presence of a disease within a population, group, or area
Term
dem
Definition
population
Term
epidemic
Definition
a sudden and wide-spread outbreak of a disease within a specific population, group, or area
Term
pandemic
Definition
refers to an outbreak of a disease occurring over a large geographic area, possibly worldwide
Term
pan-
Definition
entire
Term
functional disorder
Definition
produces symptoms for which no physiological or anatomical cause can be identified
Term
iatrogenic illness
Definition
an unfavorable response due to prescribed medical treatment
Term
idiopathic disorder
Definition
an illness without known cause
Term
infectious disease
Definition
an illness caused by living pathogenic organisms such as bacteria and viruses
Term
noscomial infection
Definition
a disease aquired in a hospital or clinical setting
Term
organic disorder
Definition
produces symptoms caused by detectable physical changes in the body
Term
congenital disorder
Definition
abnormal condition that exists at the time of birth
Term
developmental disorder
Definition
birth defect; can result in an anomaly or malformation such as the absence of a limb or the presence of an extra toe
Term
anomaly
Definition
a deviation from what is regarded as normal
Term
atresia
Definition
describes the congenital absence of a normal opening or the failure or a structure to be tubular
Term
anal atresia
Definition
the congenital absence of the opening at the end of the anus
Term
fetal alcohol syndrome
Definition
caused by the mother's consumption of alcohol during the pregnancy; the resulting condition of the baby is characterized by physical and behavioral traits, including growth abnormalities, mental retardation, brain damage, and socialization difficulties
Term
premature birth
Definition
a birth that occurs earlier than 37 weeks of development
Term
birth injuries
Definition
congenital disorders that were not present before the events surrounding the time of birh
Term
geriatrics
Definition
gerontology; the study of the medical problems and care of the aged
Term
geriatrician
Definition
gerontologist; a physician who specializes in the care of older people
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