Chapter 6 Vocabulary Flashcards
Abductors
Muscles that draw a body part, such as finger, arm, or toe, Away from the midline of the body or of an extremity. Hand separates fingers.
Absorption
Transport of fully digested food into the circulatory system to feed the tissues and cells.
Adductors
Muscles that draw a body part, such as finger, arm, or toe,inward towards the median axis of the body or of extremity. Hand brings fingers together.
Adipose tissue
Specialized connective tissue (fat); gives smoothness and contour to the body and cushion.
Adrenal Glands
Glands that secrete 30 steroid hormones and control metabolic processes of the body
Anabolism: Metabolism
the process of building up larger molecules from smaller ones
Anatomy
Study of the human body;
Angular Artery
Artery that supplies blood to the side of the nose
Anterior Auricular Artery
Artery that supplies blood to the front of the ear
Aorta
Body’s largest artery. The arterial truck that carries blood from the heart to be distributed by branch arteries through the body
Arteries
Thick walled muscular and flexible tubes that carry oxygenated blood from the heart to the capillaries through the body
Arterioles
Small arteries that believer blood to capillaries
Atrioventricular valves
Valves are designed to prevent blood from flowing back into the pumping chamber
Atrium
Thin walled, upper chamber of the heart through which blood is pumped to the ventricles.
Auricularis anterior
Muscle in front of the ear that draws the ear forward
Auricularis posterior
Muscle behind the ear that draws the ears backward
Auricularis superior
Muscle above the ear that draws the ear upwards
Auriculotemporal nerve
Nerve that affects the external ear and skin above the temple, up to the top of the skull.
Autonomic nervous system: ANS
part of the nervous system that controls the involuntary muscles. Regulates action of the smooth muscles, blood vessels, and heart.
Axon
An Extension of neurons; which impulses are sent away from the cell body to other neurons, glands, and muscles
Belly
Middle part of the muscle
Biceps
Muscle producing the contour of the front and inner side of the upper arm
Blood
Nutritive fluid circulating through the circulatory system (heart, veins, arteries, & capillaries) to supply oxygen & nutrients to cells and tissue to remove carbon dioxide and waste.
Blood vessels
Tube like structure that transports blood to and from the heart, and to various tissues of the body; Ex arteries, arterioles, capillaries, venules, and veins.
Body system
Systems; groups of bodily organs acting together to perform one or more functions. Human body is composed of 11 major systems.
Brachial artery
Located in the upper arm; the branchial artery is a major blood vessel which runs down the arm and ends by dividing into radial and ulnar arteries. Runs through the forearm.
Brain
Central nervous system contained in the cranium; Largest & most complex nerve tissue; Controls sensation, muscles, glandular activity, and power to think and feel.
Brain stem
Structure that connects the Spinal cord and brain.
Buccal nerve
Nerve that affects Muscles of the mouth
Buccinator
Thin, flat muscle of the cheek between the upper and lower jaw that compresses the cheeks and expels air between the lips.
Capillaries
Tiny, thin walled blood vessels that connect the smaller arteries to the veins. Capillaries bring nutrients to the cells and carry away wasted materials.
Cardiac muscle
Involuntary muscle that is the heart.
Carpus
Wrist; a flexible joint composed of eight small, irregular bones held together by ligaments.
Catabolism
Phase of metabolism that involves the breaking down of complex compounds within the cells into smaller ones, often resulting in the release of energy to perform functions such as muscular efforts, secretions, or digestion.
Cell membrane
Part of the encloses the protoplasm and permits soluble substances to enter and leave the cell.
Cells: Basic unit living thing
Minute mass of protoplasm capable of performing all the fundamental functions of life
Central nervous system: CNS
cerebrospinal nervous system; consists of the brain, spinal cord, spinal nerve, and cranial nerves.
Cerebellum
Lies at the base of the cerebrum and is attached to the brain stem; Little brain
Cerebrum
Bulf of the brain and is located in the front upper part of the cranium.
Cervical cutaneous nerve
Nerve located on the side of the neck; it affects the front and side of the neck as far down the breastbone.
Cervical nerves
Nerves originate at the spinal cord; Branches supply the muscles and scalp behind the head & neck. Affects the side of the neck and platysma muscle.
Cervical vertebrae
7 bones of the top part of the vertebral column, located in the neck.
Circulatory system: Cardiovascular/Vascular system
it Controls the steady circulation of the blood through the body by means of the heart and blood vessels.
Clavicle
Collarbone; bone joining the sternum and scapula
Common carotid arteries
Arteries that supply to the face,head, and neck.
Connective tissue
Fibrous tissue that binds together, protects, and supports the various parts of the body such as bone, cartilage, and tendons.
Corrugator Muscle
Facial muscle that draws eyebrows down the wrinkles the forehead vertically.
Cranium
Oval, bony case that protects the brain
Cytoplasm
All the protoplasm of a cell except that which is in the nucleus; watery fluid containing food material necessary for cell growth, reproduction, and self repair.
Defecation
Elimination of feces from the body
Deltoid
Large triangular muscle covering the shoulder joint that allows the arm to extend outward and to the side of the body
Dendrites
Tree like branches of nerve fibers extending from a nerve cell; Nerve fibers carry impulses toward the cell and receive impulses from other neurons
Deoxyribonucleic acid: DNA
the blueprint material of genetic information that contains all the information that controls the function of every living cell
Depressor anguli oris
Triangularis muscle; muscle extranding alongside the chin that pulls down the corner of the mouth
Depressor labii inferioris
Quadratus labii inferioris; muscle surrounding the lower lip and depresses the lower lip and draws it to one side
Diaphragm
Muscular wall that separates the thorax from the abdominal region and helps control breathing.
Diencephalon
Located in the uppermost part of the midbrain; consists of 2 parts the Thalamus & Hypothalamus
Digestion
Breakdown of food by mechanical and chemical means.
Digestive enzymes
Chemicals that change certain kinds of food into a form that can be used by the body.
Digestive system: Gastrointestinal system
responsible for changing food into nutrients & waste. Consists of the mouth, stomach, intestines, salivary and gastric glands.
Digital nerve
Sensory motor nerve; it branches and supplies impulses to the fingers
Eleventh cranial nerve
Accessory nerve; a motor nerve that controls the motion of the neck and shoulder muscles
Endocrine glands
Ductless glands; releases secretion called hormones directly into the bloodstream which in turn influence the welfare of the entire body.
Endocrine system
Specialized glands that affect the growth development, sexual activities, and health of the entire body.
Epicranial aponeurosis
Tendon connecting the occipitalis and the frontalis
Epicranius
Occipitofrontalis; the broad muscle that covers the top of the skull and consists of the occipitalis and frontalis
Epithelial tissue
Protective covering of the body surfaces; Ex skin, mucous membranes, lining of the heart, digestive , respiratory organs and gland
Ethmoid bone
Light spongy bone between the eye socket that forms part of the nasal cavities.
Excretory system
Group of organs; Includes kidneys, liver, skin, large intestine, & lungs. They purify the body by eliminating waste matter
Exhalation
Breathing outward; expelling carbon dioxide from lungs
Exocrine glands
Duct glands; produces a substance that travels through small, tube-like ducts. Sweat and oil glands of the skin.
Extensors
Muscle that Straightens the wrist; hand, fingers to form a straight line.
External carotid artery
Artery that supplies blood to the anterior parts of the scalp, ear, face, neck, and sides of the heads
External jugular vein
Vein located on the side of the neck that carries that blood to the returning to the heart from the head, face, and neck
Facial artery
External maxillary artery; supplies blood to the lower region of the face, mouth, and nose
Fifth cranial nerve
Trifacial/Trigeminal nerve; it’s the chief sensory nerve of the face. Serves motor nerves of the muscles that control chewing. 3 branches.
Flexors
Extensor muscles of the wrist, involved in flexing the wrist
Frontal artery
Artery that supplies blood to the forehead and upper eyelids
Frontal bone
Bone forming forehead
Frontalis
Front anterior portion of the epicranius; muscle of the scalp that raises the eyebrow, draws the scalp forward, and causes wrinkles across the forehead.
Glands
Organs that remove certain elements from the blood to convert them into new compounds
Greater auricular nerve
Nerve at the side of the neck affecting the face, ears, neck, and parotid.
Greater occipital nerve
Nerve located in the Back of the head; affects the scalp as far up as the top of the head
Heart
Muscular cone shaped organ that keeps blood moving within the circulatory system
Hemoglobin
Iron containing protein in red blood cells that binds to oxygen.
Histology
Microscopic anatomy; the study of the structure composition of tissue
Hormones
Secretion produced by one of the endocrine glands and carried by the bloodstream or body fluid to another part of the body, or an organ, to stimulate functional activity or secretion, such as insulin, adrenaline, and estrogen.
Humerus
Largest bone in the arm, extending from the elbow to the shoulder.
Hyoid bone
U-shaped bone at the base of the tongue that supports the tongue and its muscle
Inferior labial artery
Supplies blood into lower lip
Infraorbital artery
Artery that originates from the internal maxillary artery and supplies blood to the eye muscle.
Infraorbital nerve
Nerve that affects the skin of the lower eyelid, side of the nose, upper lip, and mouth.
Infratrochlear nerve
Nerve that affects the membrane and skin of the nose.
Ingestion
Eating or taking food into the body