Chapter 6 Flashcards
Absorption
The transport of fully digested food into the circulatory system to feed the tissues and cells
Adductors
Muscles that draw a body part (finger, leg) in toward the median axis of the body or of an extremity.
Adipose tissue
Special connective tissue considered fat, which gives smoothness and contour to the body and cushions and insulates the body
Adrenal glands
Glands that secrete about 30 steroid hormones and control metabolic processes of the body, including the fight or flight response
Abductors
Muscles that draw a body part (leg, finger) away from the midline of the body or of an extremity.
Anabolism
Constructive metabolism; the process of building up larger molecules from smaller ones
Anatomy
The study of human body structure that can be seen with the naked eye and how the body parts are organized and the science of the structure of organisms or of their parts
Angular artery
Artery that supplies blood to the side of the nose
Anterior auricular artery
Artery that supplies blood to the front part of the ear
Aorta
The body’s largest artery. The arterial trunk 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 throughout the body
Arterioles
Small arteries that deliver blood to capillaries
Atrioventricular valves
ATV. valves which are designed to prevent the 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
Muscly in front of the war that draws the ear forward
Auricularis posterior
Behind ear. Draws ear backward
Auricularis superior
Above ear. Draws ear upward
Auriculotemporal nerve
Nerve that affects the external ear and skin above temple, up to the top of the skull.
Autonomic nervous system
ANS. the part of the nervous system that controls the involuntary muscles; regulates the action of the smooth muscles, glands, blood vessels and heart
Axon
The extension of a neuron through which impulses are sent away from the cell body to other neurons, glands or muscles
Belly
Middle part of a muscle
Biceps
Muscle producing the contour of the front and inner side of the upper arm.
Blood
Nutritive fluid circulating through the circulatory system to supply oxygen and nutrients to cells and tissues and to remove CO2 and waste from them
Blood vessels
Tube-like structures that transport blood to and from heart, and to various tissues of the body; includes arteries, Arterioles, capillaries, venues and veins
Body systems
Groups of bodily organs acting together to perform on or more functions. The human body has 11 body systems
Brachial artery
Located in upper arm, the brachial artery is a major blood vessel which runs down the arm and ends by dividing Ito the radial and ulnar arteries, which run down through forearm
Brain
Part of central nervous system contained in the cranium; largest and most complex nerve tissue; controls sensation, muscles, glandular activity and the power to think and feel
Brain stem
Structure that connects the spinal cord to the brain
Buccal nerve
Nerve that affects the muscles of the mouth
Buccinator
Thin, flat muscle of the cheek between upper and lower jaw that compresses the cheeks and expels air between lips
Capillaries
Tiny, thin walled blood vessels that connect the smaller arteries to the veins. Capillaries bring nutrients to cell and take waste away
Cardiac muscle
The involuntary muscle that is the heart. This type of muscle is not found anywhere else in the body
Carpus
AKA wrist; a flexible joint composed of eight small bones held together by ligaments
Catabolism
The phase of metabolism that involves the breaking down of complex compounds within the cells into smaller ones, often resulting in the resulting in the release of energy to perform functions such as muscular efforts, secretions, or digestion.
Cell membrane
Part of the cell that encloses the protoplasm and permits soluble substances to enter and leave the cell
Cells
Basic unit of all living things; minute mass of protoplasm capable of performing all the fundamental functions of life.
Central nervous system
CNS; cerebrospinal nervous system; consistent of the brain, spinal cord, spinal nerves, and cranial nerves.
Cerebrum
Makes up the bulk of the brain and is located in the front, upper part of the cranium.
Cerebellum
Lies at the base of the cerebrum and is attached to the brain stem; this term is Latin for “little brain”
Cervical cutaneous nerve
Nerve located at the side of the neck that affects the front and sides of the neck as far down as the breastbone
Cervical nerves
Nerves that originate at the spinal cord, whose branches supply the muscles and scalp at the back of the head and neck; affect the side of the neck and the platysma muscle
Cervical vertebrae
The seven bones of the top part of the vertebral column, located in neck region
Circulatory system
Cardiovascular system. System that 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 blood 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. Examples of connective tissue are bone, cartilage, ligaments, tendons, blood, lymph and fat
Corrugator muscle
Facial muscle that draws eyebrows down and wrinkles the forehead vertically
Cranium
Oval, bony case that protects the brain.
Cytoplasm
All protoplasm except protoplasm in nucleus; the watery fluid containing food for cell growth, reproduction, and self repair.
Defecation
Elimination of foods 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 on nerve cell. Carries impulses toward cell and receive impulses from other neurons.
Deoxyribonucleic acid
DNA. Blue print for genetic information. Controls function of cell
Depressor Anguilla oris
Aka triangularis muscle. Extends along side the chin pulls down corner of mouth
Depressor labi inferioris
Aka quadratus labii inferioris. Surrounds lower lip. 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 midbrain. Consists of thalamus and hypothalamus
Digestion
Breakdown of food
Digestive enzymes
Chemicals needed to digest certain foods
Digestive system
From your mouth to butthole! The whole thing!
Digital nerve
Sensory motor nerve that supplies impulses to fingers
Eleventh cranial nerve
Aka accessory nerve. Motor nerve that controls neck and shoulder muscles
Endocrine glands
Aka ductless glands. Release secretions called hormones
Endocrine system
Glands that affect growth, sexual activities, and health of entire body
Epicranial aponeurosis
Tendon connecting the occipitalis and frontalis
Epicranius
Aka accipitofrontalis. Broad muscle that covers up top of skull
Epithelial tissue
Protective covering on body surfaces, such as skin/ mucus membranes
Ethmoid bone
Light spongy bone between eye sockets ghat form nasal cavities
Excretory system
Group organs that eliminate waste matter
Exhalation
Breathing outward. Release CO2
Exocrine glands
Aka duct glands. Sweat and oil glands
Extensors
Muscles that straighten wrist, hand and fingers
External carotid artery
Artery that supplies blood to anterior parts of scalp, ear, face, neck and side of head
External jugular vein
Located on side of neck. Carries blood to the heart
Facial artery
Supplies blood to lower face
Fifth cranial nerve
Chief sensory nerve, also motor nerve muscle that controls chewing
Flexors
Extensor muscles of the wrist, involved with flexing the wrist.
Frontal artery
Artery that supplies blood to the forehead and upper eyelids
Frontal bone
Bone forming the forehead
Frontalis
Front anterior portion of the epicranius; muscle of the scalp that raises the eyebrows
Glands
They remove certain elements from blood to convert them into new compounds. They secrete those compounds
Greater auricular nerve
Nerve at the sides of the neck affecting the face, ears, neck, parotid gland.
Greater occipital nerve
Located in the back of the head, affects scalp as far up as the top of the head
Heart
Muscular cone shaped organ that keeps the blood moving within the circulatory system
Hemoglobin
Iron containing protein in red blood cells that bind oxygen
Histology
Aka microscopic anatomy; the study of the structure and composition of tissue
Hormones
Secretions produced by one of the endocrine glands and carried by the bloodstream or the body fluid to another part of the body, or a body organ, to stimulate functional activity or secretion, such as insulin, adrenaline and estrogen
Humerus
Uppermost and largest bone in the arm. Extending for 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 to lower lip
Infraorbital artery
Artery that originates from the internal maxillary artery and supplies blood to the eye muscles
Infraorbital nerve
Nerve that affects the skin of the lower eyelid, side of the nose, upper lip and mouth