Question
click below
click below
Question
Normal Size Small Size show me how
Chap 6 vocab
The human body
Question | Answer |
---|---|
abdomen | body cavity w/ major organs or digestion and excretion below diaphragm above pelvis |
acetabulum | depression on lateral pelvis where the femoral head fits |
adams apple | prominence of cartilage in upper larynx- in men also called the thyroid cartilage |
adenosine triphosphate (ATP) | nucleotide- energy metabolism; stores energy |
adrenal glands | endocrine glands- on top of kindneys- release adrenaline when stimulated by PNS |
adrenergic | nerves that release norepinephrine or noradrenaline |
aerobic metabolism | metabolism that works IN the presence of oxygen |
agonal gasps | abnormal, slow/gasping breathes, seen sometimes w cardiac arrest INEFFECTIVE BREATHS |
alpha-adrenergic receptors | part of the nervous system that when stimulated cause constriction of blood vessels |
alveoli | air sacs of the lungs where exchange of 02 and C02 takes place |
anaerobic metabolism | metabolism that takes place in the absence of 02 byproduct=lactic acid |
anatomic position | Pt standing forward, arms at side, palms forward |
aorta | main artery that carries oxygenated blood to the body |
appendicular skeleton | comprises the arms, legs, pelvis and shoulder girdle |
appendix | small, tubular- attached to lower border of cecum (in the LRQ of abdomen) |
arterioles | smallest branches of arteries- leads to network of capillaries |
articular cartilage | covers the articular surfaces (contact surfaces on the end) of bones- in synovial joints |
atrium | 2 upper chambers of the heart |
autonomic nervous system | regulates functions that are nonvoluntary (digestion, sweating) |
axial skeleton | skull, spinal column and rib cage |
ball-and-socket joint | allows internal and external rotation and bending (ie: shoulder, hip) |
beta-adrenergic receptors | part of nervous system that when stimulated cause an increased forced of contraction of the heart and can increase heart rate and bronchial dilation |
biceps | large muscles- front of humorous |
bile ducts | convey bile between the liver and intestine |
blood pressure (BP) | pressure that the blood exerts against the walls of the arteries |
brachial artery | major vessels in upper extremities- supplies blood to arm |
brain | controlling organ of body |
brain stem | between spinal cord and cerebrum, surrounded by cerebellum; controls life functions |
capillary vessels | tiny blood vessels between arterioles and venules that allow transfer of 02, C02, nutrients, and waste between tissue and the blood |
cardiac muscle | heart muscle, creates internal electrical current |
cardiac output (CO) | measure of the volume of blood circulated by the heart in 1 min Stroke volume times heartrate |
carotid artery | major artery that supplies blood to the head and brain |
cartilage | smooth connective tissue- supports structure, cushions bones |
cecum | first part of large intestine, where the ileum opens |
central nervous system (CNS) | the brain and spinal cord |
cerebellum | the "little brain" |
cerebrospinal fluid (CSF) | fluid that flows to protect the brain and spinal cord |
cerebrum | largest part of the brain- gray matter made up of lobes that control movement, hearing, balance, speech, vision, emotion, or personality |
cervical spine | first 7 vertebrae- in the neck |
chordae tendineae | thin band of fibrous tissue that attach valves in the heart and prevent them from inverting |
chyme | substance that leaves the stomach (eaten foods w stomach acids) |
circulatory system | complex arrangement of arteries, arterioles, capillaries, venules, and veins- moves blood, 02, nutrients, C02 and cellular waste |
clavicle | the collar bone |
coccyx | last 3-4 vertebrae (the tail bone) |
coronal plane | line that divided the body into front and back parts (imaginary) |
cranium | area of head above the ears and eyes; the skull- contains the brain |
cricoid cartilage | firm ridge of cartilage that forms lower part of the larynx |
cricothyroid membrane | thin sheet of fascia that connects thyroid and cricoid cartilages that make up the larynx |
dead space | part of the airway that contains air but there's no gas Exhange (ventilation but not respiration) |
dermis | inner layer of the skin |
diaphragm | muscular dome- forms undersurface of thorax- separates chest from abdominal cavity contractions bring air into the lungs and relaxion allows air to be propelled out of the lungs |
diastole | relaxation of the ventricles in the heart |
diffusion | movement of gas from a HIGH area of concentration TO a LOW area |
digestion | processing of food |
dorsalis pedis artery | artery on anterior surface of foot |
endocrine system | complex message and control system that integrates body functions (release of hormones) |
enzymes | designed to speed up some biochemical reactions |
epidermis | outer layer of skin |
epiglottis | thin, grouping of cells that's sealed together to form a tight protective covering for food from entering the airway |
epinephrine | hormone produced by adrenal glands- vital role in sympathetic Nervous system |
esophagus | collapsable tube- extends from pharynx to stomach- propels food and liquids into stomach |
expiratory reserve volume | amount of air that can be forcefully exhaled |
extension | straightening of a joint |
fallopian tube | long, slender tubes- extend from uterus to ovaries- where the ovum passes |
femoral artery | major artery of the thigh- supplies blood to the lower extermities |
femoral head | proximal end of the femur |
femur | the thighbone; longest and strongest bone |
flexion | bending of a joint |
foramen magnum | large opening in the skull that allows brain to connect to spinal cord |
frontal bone | forehead- bone |
gallbladder | sac on undersurface of liver- collects bile from liver and discharges it through the bile duct |
genital system | reproductive system |
germinal layer | deepest layer of epidermis where new skin cells are formed |
greater trochanter | bone prominence of the proximal. lateral side of thigh |
hair follicles | small organs that produce hair |
heart rate | number of heartbeats in 1 min |
hinge joint | bend and straighten, but cannot rotate (ie: elbow) |
hormones | substances formed in organs/glands that are carries to an organ- regulate many body functions |
humorous | bone of the upper arm |
hydrostatic pressure | pressure of water against the walls of its container |
hypoxic drive | "backup system" to control respiration |
ilium | one of the 3 bones that fuse to form the pelvic ring |
inferior vena cava | large vein; carries blood from the lower extremities and pelvis to the heart |
inspiratory reserve volume | amount of air that can be inhaled in 1 breath |
interstitial space | space between cells |
ischium | one of the bones that form the pelvic ring |
joint (articulation) | where 2 bones come in contact |
joint capsule | fibrous sac that encloses a joint |
kidneys | 2 organs that excrete the end products of metabolism as urine- regulates the body's salt and water content |
labored breathing | use of muscles of the chest, back, and abdomen to assist when ventilation is impaired |
lactic acid | by-product of broken down glucose- accumulates when anaerobic metabolism occurs |
large intestine | encircles the abdomen around the small intestine; helps regulate water balance and eliminate solid waste |
lesser trochanter | projection on the medial, superior portion of femur |
ligament | connects bone to bone, strengthens joint |
liver | RUQ, immediately below diaphragm; produced bile, stores glucose, and produces substances that help immune response |
lumbar spine | lower part of the spine, lowest 5 |
lymph | thin fluid that carries 02, nutrients, and hormones to cells and carries metabolic waste away |
lymph nodes | tiny, oval shaped structures in places among the lymph vessels that filter lymph |
manubrium | upper part of the sternum |
maxillae | upper jawbones |
medulla oblongata | in the spinal cord, conduction pathway; coordinates HR, blood vessel diameter, breathing, swallowing, vomiting, coughing, and sneezing |
metabolism (cellular respiration) | process that results in production of energy from nutrients within cells |
midbrain | helping to regulate the level of consciousness |
midsagittal plane | midline, divides body into equal left and right halves |
minute volume | amount of air moved in and out the lungs per min TV times RR |
motor nerves | carry info from the CNS to the muscles |
mucous membranes | lining of body cavities and passages that communicate with the environment outside the body |
mucus | water secretion of the mucous membrane that lubricates the body openings |
myocardium | heart muscle |
nasopharynx | part of pharynx, above the roof of mouth, nose opening |
norepinephrine | neurotransmitter (and drug) used to reverse the effects of shock; produces vasoconstriction (fight-or flight) through Alpha-stimulators |
occiput | most posterior part of cranium |
oncotic pressure | pressure of water to move typically int the capillary as a result of the presence of plasma proteins |
orbit | eye socket |
oropharynx | part of the pharynx that extends vertically from the back of the mouth to the esophagus |
ovaries | produces sex hormones and eggs |
pancreas | lies below the liver and stomach; major source of digestive enzymes and insulin |
parasympathetic nervous system | controls involuntary functions |
parietal bone | bones that lie between the temporal and occipital region of cranium |
pathophysiology | study of how normal physiological processes are affected by disease |
perfusion | the circulation of oxygenated blood to organs that meets the cells current needs |
peripheral nervous system | spinal nerves, cranial nerves (sensory, motor, or connecting) |
peristalsis | wavelike contraction of smooth muscle- how some organs propel their contents |
plasma | stick, yellow fluid that carries the blood cells and nutrients and transports cellular waste to organs for excretion |
pleura | membrane covering the lungs and lining the thorax, closes the pleural space |
pleural space | potential space |
pons | controls sleep, respiration, and the medullary respitory center |
posterior tibial artery | behind the medial malleolus; supplies blood to the foot |
prostate gland | small gland surrounding the urethra where it emerges from the bladder; secrets sperm |
pubic symphysis | where the two halves of the pelvic ring come together at a joint with minimal motion |
pulmonary artery | leads from right ventricle to the lungs; carries 02 poor blood |
pulmonary veins | 4 veins that return oxygenated blood to left atrium |
pulse | wave of pressure created as the heart contracts and forces blood out of the left ventricle |
radial artery | major artery in the forearm; on the wrist, on thumb side |
rectum | lowest part of colon |
erythrocytes | red blood cells; carry 02 to tissues |
renal pelvis | collects urine from the kidneys and funnels it though the ureter into the bladder |
residual volume | air that remains in the lungs after maximal exhale |
respiration | inhaling and exhaling of air; psychological process that exchanges C02 from fresh air |
respiratory compromise | inability of the body to move gas effectively |
reticular activating system | in upper part of brain stem; Maintenace of consciousness (specifically level of arousal) |
retroperitoneal | behind the abdominal cavity |
sacroiliac joint | joint between the pelvis and vertebral column |
sacrum | one of the three bones that makes up the pelvic ring; 5 fused sacral vertebrae |
sagittal plane | imaginary line dividing the body into left and right parts |
salivary glands | produce saliva to keep the mouth and pharynx moist |
sebaceous glands | produce oily substance called sebum that discharges along the shafts of hairs |
sensory nerves | carry sensations for touch, taste, smell, temperature, and pain from the body to CNS |
hypoperfusion | shock; state of inadequate 02 and nutrient delivery to the cells |
shoulder girdle | upper extremities; clavicale, scapula and humerous |
skeletal muscle | muscles thats attached to bones and usually 1 joint |
small intestine | between the stomach and cecum |
smooth muscle | involuntary muscle, automatic activities; bulk of the gastrointestinal tract |
somatic nervous system | regulates activities that are voluntary |
sphincters | muscles arranged in circles that can decrease the diameter of tubes; found in rectum, bladder, blood vessels |
sphygmomanometer | device to measure BP |
stratum corneal layer | outermost/dead layer of skin |
stroke volume | amount of blood pumped with each ventricular contraction |
subcutaneous tissue | largely fat; lies directly under the dermis; insulator of the body |
symphysis | type of join that has grown together to form a very stable connection |
synovial fluid | fluid within a joint; used as lubricant |
synovial membrane | lining of a joint that secretes synovial fluid |
systematic circulation | portion of the circulatory system outside of the heart and lungs |
systemic vascular resistance (SRV) | related to the amount of dilation or constriction in the blood vessel; the resistance it must overcome |
systole | the contraction of the ventricles |
tendons | attaches muscles to bone |
testicles | produces hormones and sperm |
thyroid cartilage | forms the upper part of the larynx; adams apple |
tidal volume | amount of air moved in and out of the lungs in one relaxed breath; about 500mL for and adult |
topographic anatomy | superficial landmarks of the body that guide the location of whats beneath |
trachea | windpipe; passes air to and from the lungs |
transverse (axial) plane | imaginary line where the body divided into top and bottom |
tunica media | middle, thickest layer of blood vessel; allow expansion of constriction |
ureter | small tub that carries urine from the kidneys to the bladder |
urethra | conveys urine from the bladder to the outside of the body |
vagina | tube that connects the uterus with the vulva; birth canal |
vasa differentia | spermatic duct of the testicles |
ventilation | movement of air |
V/Q ratio | measurement that examines how much gas is moved effectively and how much blood is flowing around the alveoli where perfusion occurs |
leukocytes | white blood cells; body's immune defense mechanism |
zygomas | cheek bones |