Unit 3 Pt. II Flashcards
Skin functions
Temp regulation, barrier, urea excretion, sensation, vitamin D synthesis, blood reservoir, immunity
Autonomic nervous system
Involuntary muscles
Split into sympathetic and parasympathetic
Epidermis
Superficial layer
Made of layers of cells: germinal layer, stratum corneal layer
Temporal
Hearing, interpreting sensory experiences, and remembering visual scenes, music etc
Frontal lobe
Complex problem solving
Movements of voluntary muscle
Somatic
Voluntary muscles
Dermis functions
Function: nourishment of epidermis
Strength and flexibility of skin
Two layers: upper papillary (20%) firm fingerprints Lower reticular (80%) give skin strength
Tonsils
Palatine: lymphatic tissue lateral to the palate
Tonsilitis: inflammation of palatine tonsils
Pharyngeal (adenoids): posterior to the pharynx
Cerebellum
Coordinates body movement
Dermis
Deeper
Contains special structures: sweat glands, sebaceous glands, hair folicles, capillaries, mucous membranes
Occipital
Vision
Stratus basale
Innermost layer
Brain stem
Body functions necessary for life: breathing, heart, and consciousness
3 areas: midbrain, pons, medulla oblongata
Four layers of epidermis
Corneum
Granulosm
Spinosum
Basale/germinal
Subcutaneous
Layer of fat that serves as an insulator and energy reservoir
Pons
Relays info between cerebrum and medulla oblongata
Relay sensory info between peripheral nerves and higher brain centers
Midbrain
Between pons and diencephalon
Contains grey matter that serves as reflex center
Cerebrum
Responsible for higher thought
Four lobes: frontal parietal occipital temporal
PNS division
Somatic, autonomic
Stratum spinosum
Composed of many spiked cells with big nuclei
Parietal
Provides sensation of temp, touch, pressure
Understanding of speech and using words to express thoughts and feelings
3 major subdivisions of the brain
Cerebrum, cerebellum, brain stem
Medulla oblongata
Inferior part of brain stem
Regulates breathing and cardiac functions
Stratum corneum
Outermost later; made of dead epithelial cells
Stratum granulosm
Made of 3-5 layers of flattened granular cells
Parts of the stomach
Cardia
Fundus
Body
Pylorus