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AH 110 CH2
Chapter 2
117
Medical
Undergraduate 1
03/15/2009

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Term
anabolism
Definition
Process of building up complex materials (proteins) from simple materials.
Term
catabolism
Definition
Process of breaking down complex materials (foods) to form simpler substances and release energy.
Term
cell membrane
Definition
Structure surrounding and protecting the cell. It determines what enters and leaves the cell.
Term
chromosomes
Definition
Rod-shaped structures in the nucleus that contain regions of DNA called genes. 46 in every cell except egg and sperm cells with contain 23.
Term
cytoplasm
Definition
All the material that is outside the nucleus and yet contained within the cell membrane.
Term
DNA
Definition
Chemical found within each chromosome. Arranged like a sequence of recipes in code, it directs the activities of the cell.
Term
endoplasmic reticulum
Definition
Structure (canals) within the cytoplasm. Site in which large proteins are made from smaller protein pieces. Ribosomes are found here.
Term
genes
Definition
Regions of DNA within each chromosome.
Term
karyotype
Definition
Picture of chromosomes in the nucleus of a cell. The chromosomes are arranged in numerical order to determine their number and structure.
Term
metabolism
Definition
The total of the chemical processes in a cell. It includes both catabolism and anabolism.
Term
mitochondria
Definition
Structures in the cytoplasm in which foods are burned to release energy.
Term
nucleus
Definition
Control center of the cell. It contains chromosomes and directs the activities of the cell.
Term
Digestive System
Definition
mouth, pharynx, esophagus, stomach, intestines, liver, gallbladder, pancreas
Term
Urinary or Excretory System
Definition
Kidneys, ureters, urinary bladder, urethra
Term
Respiratory System
Definition
Nose, pharynx, larynx, trachea, bronchial tubes, lungs.
Term
Reproductive System
Definition
Female: ovaries, fallopian tubes, uterus, vagina, mammary glands.
Male: testes and associated tubes, urethra, penis, prostate gland.
Term
Endocrine System
Definition
Thyroid gland, pituitary gland, sex glands, adrenal glands, pancreas, parathyroid glands.
Term
Nervous System
Definition
Brain, spinal cord, nerves, and collections of nerves.
Term
Circulatory System
Definition
Heart, blood vessels, lymphatic vessels and nodes, spleen, thymus gland.
Term
Musculoskeletal System
Definition
Muscles, bones, and joints.
Term
Skin and sense organs
Definition
Skin, hair, nails, sweat glands, and sebaceous (oil) glands; eye, ear, nose, and tongue.
Term
adipose tissue
Definition
Collection of fat cells.
Term
cartilage
Definition
Flexible connective tissue attached to bones at joints.
Term
epithelial cells
Definition
Skin cells that cover the external body surface and line the internal surfaces of organs.
Term
histologist
Definition
Specialist in the study of tissues.
Term
larynx
Definition
"Voice box"; located at the upper part of the trachea.
Term
pharynx
Definition
Throat. Serves as the common passageway for both food (from the mouth going to the esophagus) and air (from the nose to the trachea).
Term
pituitary gland
Definition
Endocrine gland at the base of the brain.
Term
thyroid gland
Definition
Endocrine gland that surrounds the trachea in the neck.
Term
trachea
Definition
"Windpipe" (tube leading from the throat to the bronchial tubes).
Term
ureter
Definition
One of the two tubes, each leading from a single kidney to the urinary bladder.
Term
urethra
Definition
Tube leading from the urinary bladder to the outside of the body.
Term
uterus
Definition
The womb. The organ that holds the embryo/fetus as it develops.
Term
viscera
Definition
Internal organs.
Term
Cranial Cavity
Definition
Space in the head containing the brain and pituitary gland and is surrounded by the skull.
Term
Thoracic Cavity
Definition
Space in the chest containing the lungs, heart, esophagus, trachea, bronchial tubes, thymus gland, aorta. Divided into the pleural cavity and the mediastinum.
Term
Pleural Cavity
Definition
Part of the Thoracic Cavity. Space surrounding each lung.
Term
Pleura
Definition
The double-folded membrane that lines the pleural cavity.
Term
Mediastinum
Definition
Centrally located area outside of and between the lungs that contains the heart, aorta, trachea, esophagus, thymus gland, bronchial tubes, and many lymph nodes.
Term
Abdominal Cavity
Definition
Space below the chest containing the organs: stomach, small and large intestines, spleen, pancreas, liver, and gallbladder.
Term
Diaphragm
Definition
A muscular wall that divides the abdominal and thoracic cavities.
Term
Peritoneum
Definition
The double-folded membrane surrounding the abdominal cavity.
Term
Pelvic Cavity
Definition
Space below the abdomen cotaining portions of the small and large intestines, rectum, urinary bladder, urethra, and ureters; uterus and vagina in the female.
Term
Spinal Cavity
Definition
Space within the spinal column (backbones) and containing the nerves of the spinal cord.
Term
Dorsal (posterior)
Definition
Pertaining to the back.d
Term
Ventral (anterior)
Definition
Pertaining to the front.
Term
Hypochondriac Region
Definition
Upper right and left regions beneath the ribs.
Term
Epigastric Region
Definition
Upper middle region above the stomach.
Term
Lumbar Region
Definition
Middle right and left regions near the waist.
Term
Umbilical Region
Definition
Central region near the navel.
Term
Inguinal Region
Iliac Region
Definition
Lower right and left regions near the groin.
Term
Hypogastric Region
Definition
Lower middle region below the umbilical region.
Term
RUQ
Definition
Right upper quadrant.
Term
LUQ
Definition
Left upper quadrant.
Term
RLQ
Definition
Right lower quadrant.
Term
LLQ
Definition
Lower left quadrant.
Term
vertebra
Definition
A single backbone.
Term
vertebrae
Definition
Backbones.
Term
spinal column
Definition
Bone tissue surrounding the spinal cavity.
Term
spinal cord
Definition
Nervous tissue within the spinal cavity.
Term
disk (disc)
Definition
A pad of cartilage between vertebrae.
Term
anterior (ventral)
Definition
Front surface of the body.
Term
deep
Definition
Away from the surface.
Term
distal
Definition
Far from the point of attachment to the trunk or far from the beginning of a structure.
Term
frontal (coronal) plane
Definition
Vertical plane dividing the body or structure into anterior and posterior portions.
Term
inferior (caudal)
Definition
Below another structure; pertaining to the tail or lower portion of the body.
Term
lateral
Definition
PT the side.
Term
medial
Definition
PT the middle or near the medial plane of the body.
Term
posterior (dorsal)
Definition
Back surface of the body.
Term
prone
Definition
Lying on the belly (face down, palms down).
Term
proximal
Definition
Near the point of attachment to the trunk or near the beginning of a structure.
Term
sagittal (lateral) plane
Definition
Lengthwise, vertical plane dividing the body or structure into right and left sides.
Term
midsagittal plane
Definition
Divides the body into right and left halves.
Term
superficial
Definition
On the surface.
Term
superior (cephalic)
Definition
Above another structure; PT the head.
Term
supine
Definition
Lying on the back (face up, palms up).
Term
transverse (cross-sectional or axial) plane
Definition
Horizontal plane dividing the body into upper and lower portions.
Term
abdomin/o
Definition
abdomen
Term
adip/o
Definition
fat
Term
anter/o
Definition
front
Term
bol/o
Definition
to cast (throw)
Term
cervic/o
Definition
neck (of the body or of the uterus)
Term
chondr/o
Definition
cartilage (type of connective tissue)
Term
chrom/o
Definition
color
Term
coccyg/o
Definition
coccyx (tailbone)
Term
crani/o
Definition
skull
Term
cyt/o
Definition
cell
Term
dist/o
Definition
far, distant
Term
dors/o
Definition
back portion of the body
Term
hist/o
Definition
tissue
Term
ili/o
Definition
ilium (part of the pelvic bone)
Term
inguin/o
Definition
groin
Term
kary/o
Definition
nucleus
Term
later/o
Definition
side
Term
lumb/o
Definition
lower back (side and back between the ribs and the pelvis)
Term
medi/o
Definition
middle
Term
nucle/o
Definition
nucleus
Term
pelv/i
Definition
pelvis
Term
poster/o
Definition
back, behind
Term
proxim/o
Definition
nearest
Term
sacr/o
Definition
flesh
Term
spin/o
Definition
spine, backbone
Term
thel/o
Definition
nipple
Term
thorac/o
Definition
chest
Term
trache/o
Definition
trachea, windpipe
Term
umbilic/o
Definition
navel, umbilicus
Term
ventr/o
Definition
belly side of the body
Term
vertebr/o
Definition
vertebra(e), backbone(s)
Term
viscer/o
Definition
internal organs
Term
ana-
Definition
up
Term
cata-
Definition
down
Term
epi-
Definition
above
Term
hypo-
Definition
below
Term
inter-
Definition
between
Term
meta-
Definition
change
Term
-eal
-iac
-ior
Definition
pertaining to
Term
-ism
Definition
process, condition
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