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A thin sheet of fascia that connects the thyroid and cricoid cartilages that make up the larynx.
cricothyroid membrane
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The thick skin covering the cranium, which usually bears hair.
scalp
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The last three or four vertebrae of the spine; the tailbone.
coccyx
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A sheet or band of tough fibrous connective tissue; lies deep under the skin and forms an outer layer for the muscles.
fascia
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The relaxation, or period of relaxation, of the heart, especially of the ventricles.
diastole
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The chest cavity that contains the heart, lungs, esophagus, and great vessels (the aorta and the two venae cavae).
thorax
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The part of the nervous system that regulates functions, such as digestion and sweating, that are not controlled voluntarily.
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A muscular distensible tube that connects the uterus with the vulva (the external female genitalia); also called the birth canal.
vagina
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The nerves that carry sensations of touch, taste, heat, cold, pain, or other modalities from the body to the central nervous system.The nerves that carry sensations of touch, taste, heat, cold, pain, or other modalities from the body to the central nervous system.
sensory nerves
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The part of the nervous system that regulates functions, such as digestion and sweating, that are not controlled voluntarily.
autonomic nervous system
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agonal respirations
Slow, gasping respiration, sometimes seen in dying patients.
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The processing of food that nourishes the individual cells of the body.
digestion
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The areas between the temporal and occiput regions of the cranium.
parietal regions
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Nerves that connect the sensory and motor nerves in the spinal cord.
connecting nerves
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A small gland that surrounds the male urethra where it emerges from the urinary bladder; it secretes a fluid that is part of the ejaculatory fluid.
prostate gland
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One of three bones that fuse to form the pelvic ring.
pubis
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Upper chamber of the heart.
atrium
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The canal that conveys urine from the bladder to outside the body.
urethra
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The part of the nervous system that regulates activities over which there is voluntary control.
somatic nervous system
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A collapsible tube that extends from the pharynx to the stomach; contractions of the muscle in the wall of the esophagus propel food and liquids through it to the stomach.
esophagus
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One of three bones that fuse to form the pelvic ring.
ischium
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The large muscle that covers the front of the humerus.
biceps
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The place where two bones come into contact.
joint (articulation)
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One of the two largest veins in the body; carries blood from the lower extremities and the pelvic and the abdominal organs into the heart.
inferior vena cava
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The part of the nervous system that consists of 31 pairs of spinal nerves and 12 pairs of cranial nerves. These peripheral nerves may be sensory nerves, motor nerves, or connecting nerves.
peripheral nervous system
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The eye socket, made up of the maxilla and zygoma.
orbit
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The joint where the mandible meets with the temporal bone of the cranium just in front of each ear.
temporomandibular joint
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The muscles on either side of the neck that allow movement of the head.
sternocleidomastoid muscles
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Nonstriated, involuntary muscle; it constitutes the bulk of the gastrointestinal tract and is present in nearly every organ to regulate automatic activity.
smooth muscle
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Muscle that is attached to bones and usually crosses at least one joint; striated, or voluntary, muscle.
skeletal muscle
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The tough, fibrous ligament that stretches between the lateral edge of the pubic symphysis and the anterior superior iliac spine.
inguinal ligament
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A female gland that produces sex hormones and ova (eggs).
ovary
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The artery just posterior to the medial malleolus; supplies blood to the foot.
posterior tibial artery
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A hard bony prominence that is found in the midline in the lowermost portion of the abdomen.
pubic symphysis
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Ducts that convey bile between the liver and the intestine.
bile ducts
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The narrow, cartilaginous lower tip of the sternum.
xiphoid process
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An imaginary vertical line drawn through the middle of the axilla (armpit), parallel to the midline.
midaxillary line
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Protein catalysts designed to speed up the rate of specific biochemical reactions.
enzymes
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The 12 vertebrae that lie between the cervical vertebrae and the lumbar vertebrae. One pair of ribs is attached to each of the thoracic vertebrae.
thoracic spine
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The posterior surface of the body, including the back of the hand.
dorsal
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The wave of pressure that is created by the heart''s contracting and forcing blood out the left ventricle and into the major arteries.
heart rate (pulse)
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A small, hollow tube that carries urine from the kidneys to the bladder.
ureter
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The position in which the patient is sitting up with the knees bent.
Fowler's position
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The kneecap; a specialized bone that lies within the tendon of the quadriceps muscle.
patella
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The major artery that supplies blood to the head and brain.
carotid artery
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The straightening of a joint.
extension
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The controlling organ of the body and center of consciousness; functions include perception, control of reactions to the environment, emotional responses, and judgment.
brain
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The glands that secrete sweat, located in the dermal layer of the skin.
sweat glands
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A large opening at the base of the skull through which the brain connects to the spinal cord.
foramen magnum
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An extension of the brain, composed of virtually all the nerves carrying messages between the brain and the rest of the body. It lies inside of, and is protected by, the spinal canal.
spinal cord
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The proximal end of the femur, articulating with the acetabulum to form the hip joint.
femoral head
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A male genital gland that contains specialized cells that produce hormones and sperm.
testicle
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The position in which the body is lying face up.
supine position
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The front region of the hand.
palmar
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The bottom of the foot.
plantar
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The way to describe the sections of the abdominal cavity. Imagine two lines intersecting at the umbilicus dividing the abdomen into four equal areas.
quadrants
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A prominent bony mass at the base of the skull behind the ear.
mastoid process
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The lining of body cavities and passages that communicate directly or indirectly with the environment outside the body.
mucous membrane
-
Tissue, largely fat, that lies directly under the dermis and serves as an insulator of the body.
subcutaneous tissue
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The rim, or wing, of the pelvic bone.
iliac crest
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The first part of the large intestine, into which the ileum opens.
cecum
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One of the two largest veins in the body; carries blood from the upper extremities, head, neck, and chest into the heart.
superior vena cava
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One of three bones that fuse to form the pelvic ring.
ilium
-
ridge on the sternum that lies at the level where the second rib is attached to the sternum; provides a constant and reliable bony landmark on the anterior chest wall.
angle of Louis
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The small organs in the skin that produce hair.
hair follicles
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The chest or rib cage.
thoracic cage
-
The wave-like contraction of smooth muscle by which the ureters or other tubular organs propel their contents.
peristalsis
-
The glands that produce saliva to keep the mouth and pharynx moist.
salivary glands
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Motion of a limb away from the midline.
abduction
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A muscular distensible tube that connects the uterus with the vulva (the external female genitalia); also called the birth canal.
vagina
-
The shoulder blade.
scapula
-
An imaginary vertical line drawn through the middle portion of the clavicle and parallel to the midline.
midclavicular line
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The largest part of the three subdivisions of the brain, sometimes called the "gray matter"; made up of several lobes that control movement, hearing, balance, speech, visual perception, emotions, and personality.
cerebrum
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Position where patient stands facing you
anatomic position
-
Muscle that has characteristic stripes, or striations, under the microscope; voluntary, or skeletal, muscle.
striated muscles
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The complex arrangement of connected tubes, including the arteries, arterioles, capillaries, venules, and veins, that moves blood, oxygen, nutrients, carbon dioxide, and cellular waste throughout the body.
circulatory system
-
The system that controls virtually all activities of the body, both voluntary and involuntary.
nervous system
-
A sticky, yellow fluid that carries the blood cells and nutrients and transports cellular waste material to the organs of excretion.
plasma
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The firm prominence in the upper part of the larynx formed by the thyroid cartilage. It is more prominent in men than in women.
Adam's apple
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The principal artery leaving the left side of the heart and carrying freshly oxygenated blood to the body.
aorta
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The framework that gives us our recognizable form; also designed to allow motion of the body and protection of vital organs.
skeleton
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A thin, leaf-shaped valve that allows air to pass into the trachea but prevents food or liquid from entering.
epiglottis
-
-
Long, slender tube that extends from the uterus to the region of the ovary on the same side, and through which the ovum passes from ovary to uterus.
fallopian tube
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A bridge of cartilage that connects the ends of the sixth through tenth ribs with the lower portion of the sternum.
costal arch
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The part of the body, or any body part, nearer to the feet.
inferior
-
motion of the limb toward the midline
adduction
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The eleventh and twelfth ribs, which do not attach to the sternum through the costal arch
floating ribs
-
A firm prominence of cartilage that forms the upper part of the larynx; the Adam''s apple.
thyroid cartilage
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Lower chamber of the heart.
ventricle
-
Closer to or on the skin.
superficial
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A female gland that produces sex hormones and ova (eggs).
ovary
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A cone-shaped collecting area that connects the ureter and the kidney.
renal pelvis
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Joints that can bend and straighten but cannot rotate; they restrict motion to one plane.
hinge joints
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The back surface of the body; the side away from you in the standard anatomic position.
posterior
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A band of the fibrous tissue that connects bones to bones. It supports and strengthens a joint.
ligament
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All the structures of the body that contribute to the process of breathing, consisting of the upper and lower airways and their component parts.
respiratory system
-
Structures that are closer to the trunk.
proximal
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The bone of the lower jaw.
mandible
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The lowermost end of the colon.The lowermost end of the colon.
rectum
-
The complex message and control system that integrates many body functions, including the release of hormones.
endocrine system
-
Nerves that connect the sensory and motor nerves in the spinal cord.
connecting nerves
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The wave of pressure created as the heart contracts and forces blood out the left ventricle and into the major arteries.
pulse
-
The smallest branch of an artery leading to the vast network of capillaries.
arteriole
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A large solid organ that lies in the right upper quadrant immediately below the diaphragm; it produces bile, stores sugar for immediate use by the body, and produces many substances that help regulate immune responses.
liver
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Muscle over which a person has no conscious control. It is found in many automatic regulating systems of the body.
involuntary muscle
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A muscular dome that forms the undersurface of the thorax, separating the chest from the abdominal cavity. Contraction of the diaphragm (and the chest wall muscles) brings air into the lungs. Relaxation allows air to be expelled from the lungs.
diaphragm
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The portion of the spinal column consisting of the first seven vertebrae that lie in the neck.
cervical spine
-
The organs that control the discharge of certain waste materials filtered from the blood and excreted as urine.
urinary system
-
The muscle in the back of the upper arm.
triceps
-
Two retroperitoneal organs that excrete the end products of metabolism as urine and regulate the body''s salt and water content.
kidneys
-
abdomen
The body cavity that contains the major organs of digestion and excretion. It is located below the diaphragm and above the pelvis.
-
acetabulum
The depression on the lateral pelvis where its three component bones join, in which the femoral head fits snugly.
-
alveoli
The air sacs of the lungs in which the exchange of oxygen and carbon dioxide takes place.
-
anterior
The front surface of the body; the side facing you in the standard anatomic position
-
anterior superior iliac spines
The bony prominences of the pelvis (ilium) at the front on each side of the lower abdomen just below the plane of the umbilicus.
-
apex (apices)
The pointed extremity of a conical structure.
-
appendix
A small tubular structure that is attached to the lower border of the cecum in the lower right quadrant of the abdomen.
-
ball-and-socket joint
A joint that allows internal and external rotation as well as bending.
-
bilateral
A body part that appears on both sides of the midline.
-
brachial artery
The major vessel in the upper extremity that supplies blood to the arm.
-
blood pressure (BP)
The pressure that the blood exerts against the walls of the arteries as it passes through them.
-
brain stem
The area of the brain between the spinal cord and cerebrum, surrounded by the cerebellum; controls functions that are necessary for life, such as respiration.
-
capillary vessels
The fine end-divisions of the arterial system that allow contact between cells of the body tissues and the plasma and red blood cells.
-
carpometacarpal joint
The joint between the wrist and the metacarpal bones; the thumb joint.
-
central nervous system (CNS)
The brain and spinal cord.
-
cerebellum
One of the three major subdivisions of the brain, sometimes called the "little brain"; coordinates the various activities of the brain, particularly fine body movements.
-
-
costal arch
A bridge of cartilage that connects the ends of the sixth through tenth ribs with the lower portion of the sternum.
-
costovertebral angle
An angle that is formed by the junction of the spine and the tenth rib.
-
cranium
The area of the head above the ears and eyes; the skull. The cranium contains the brain.
-
cricoid cartilage
A firm ridge of cartilage that forms the lower part of the larynx.
-
deep
Further inside the body and away from the skin.
-
dermis
The inner layer of the skin, containing hair follicles, sweat glands, nerve endings, and blood vessels.
-
distal
Structures that are farther from the trunk or nearer to the free end of the extremity.
-
dorsalis pedis artery
The artery on the anterior surface of the foot between the first and second metatarsals.
-
epidermis
The outer layer of skin that acts as a watertight protective covering.
-
-
femoral artery
The principal artery of the thigh, a continuation of the external iliac artery. It supplies blood to the lower abdominal wall, external genitalia, and legs. It can be palpated in the groin area.
-
femur
The thighbone; the longest and one of the strongest bones in the body.
-
flexion
The bending of a joint.
-
gallbladder
A sac on the undersurface of the liver that collects bile from the liver and discharges it into the duodenum through the common bile duct
-
genital system
The male and female reproductive systems.
-
greater trochanter
A bony prominence on the proximal lateral side of the thigh, just below the hip joint.
-
heart
A hollow muscular organ that receives blood from the veins and propels it into the arteries.
-
humerus
The supporting bone of the upper arm.
-
hypoxic drive
A "backup system" to control respiration; senses drops in the oxygen level in the blood.
-
joint capsule
The fibrous sac that encloses a joint.
-
large intestine
The portion of the digestive tube that encircles the abdomen around the small bowel, consisting of the cecum, the colon, and the rectum. It helps regulate water and eliminate solid waste.
-
lateral
Parts of the body that lie farther from the midline. Also called outer structures.
-
lumbar spine
The lower part of the back, formed by the lowest five nonfused vertebrae; also called the dorsal spine.
-
lumbar vertebrae
Vertebrae of the lumbar spine.
-
manubrium
The upper quarter of the sternum.
-
maxillae
The upper jawbones that assist in the formation of the orbit, the nasal cavity, and the palate, and lodge the upper teeth
-
medial
Parts of the body that lie closer to the midline; also called inner structures.
-
metabolism
The sum of all the physical and chemical processes of living organisms; the process by which energy is made available for the uses of the organism
-
midline
An imaginary vertical line drawn from the middle of the forehead through the nose and the umbilicus (navel) to the floor.
-
motor nerves
Nerves that carry information from the central nervous system to the muscles of the body.
-
mucus
The opaque, sticky secretion of the mucous membranes that lubricates the body openings.
-
musculoskeletal system
The bones and voluntary muscles of the body.
-
myocardium
The heart muscle.
-
nasopharynx
The part of the pharynx that lies above the level of the roof of the mouth, or soft palate.
-
nervous system
The system that controls virtually all activities of the body, both voluntary and involuntary.
-
occiput
The most posterior portion of the skull.
-
orbit
The eye socket, made up of the maxilla and zygoma.
-
oropharynx
A tubular structure that extends vertically from the back of the mouth to the esophagus and trachea
-
pancreas
A flat, solid organ that lies below the liver and the stomach; it is a major source of digestive enzymes and produces the hormone insulin.
-
perfusion
The circulation of oxygenated blood within an organ or tissue in adequate amounts to meet the cells' current needs.
-
peristalsis
The wave-like contraction of smooth muscle by which the ureters or other tubular organs propel their contents
-
pinna
The external, visible part of the ear.
-
platelets
Tiny, disk-shaped elements that are much smaller than the cells; they are essential in the initial formation of a blood clot, the mechanism that stops bleeding.
-
pleura
The serous membrane covering the lungs and lining the thoracic cavity, completely enclosing a potential space known as the pleural space.
-
pleural space
The potential space between the parietal pleura and the visceral pleura. It is described as "potential" because under normal conditions, the lungs fill this space.
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