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The Eye and Endocrine System, Jessie Lopez, Period 2 (Major Structures and…
The Eye and Endocrine System, Jessie Lopez, Period 2
Major Structures and Function of the Eye
Cone cells; high definition, see color, daytime use
Choroid layer; absorbs all light not hitting ord or cone
Rod cell; low definition, blacks and white, night time
Optic Nerve; transmits info by the eye to brain
Retina; internal of eye, contains photoreceptors
Blind Spot; no rod or cone,
Sclera; protects eye, thick, tough
Vitrous Humor; gel like substance maintains shape of eye
Rectus Muscle; movement
Iris; muscle, controls amount of light into eye
Cilary Muscle Bodies; provides nutrients, controls shape of lens
Pupil; allows for light to enter eye, control size of iris
Lens; focus light to fovea centralis
Cornea; transparent part of sclera, allows for vision
Ligaments; help control shape of lens to focus light
Major Functions of the Endocrine System
Produce hormones that influnce growth, metabolism, development, tissue functions, reproduction, behavior, and sexual functions
Names of the hormones produced and their target organs along with functions
Anterior Pituitary Horomones
Adrenocorticotropic Hormone (ACTH), outer adrerd gland, stim adrenal cortex and produce hormones
Prolactin (PRL), mammary gland, breast produce milk
Thyroid-Stimulating Hormone (TSH), thyroid, stimulatiojn of thyroid gland
Folliflce-stimulating Hormone (FSH), follicle cells,stimulates follicle cells of gonads
Growth Hormone, bone muscle, stimulates growth repair reproduction
Luteinizing Hormone (LH), ganad, stimulates gonads to produce estrogen and testerone
Posterior Pituitary
Antiduieretic Hromone (Vasopressin) (ADH), kidney, prevents war loss and reduce blood flow to kidneys
Oxytocin, trigger urinary contraction
Thyroid Gland
Thyroid Hormone, metabolic process
Calicitonin, serves for bones and teeth function
Parathyroid Gland
Adrenal Cortex
Aldosterone, regulate ions
Cortison, breakdown lipid and proteins
Adrenal Medulla
Epinephrine, in promoting reaorbtion
Panreas
Insulin, lower blood sugar
Glucagon, help raise glucose level
Testes
Testosterone, growth and increase in strength of bones and muscles
Ovaries
Melatonin, promotes better sleep habits
Proggesterone, helps during pregancy
Thymus
Thymosin, stimulates lympocites
Major glands/organs and their
functions
hypothalumus; control center for recognition of the bodies conditions, controls pituitary gland
Pituitary; infleunces other glands base of the brain
thyroid; neck front of trachea, produce thyroxin= control of metabolism
parathyroid; regulate calcium in blood
pancreas; regulates insulin and glucagon
Adrenal; secrete steriods; regulates tress
ovaries; produce eggs, progeterone,and estrogen
testes; produce sperm and testesterone
Diseases in the endocrine
Hypersecretion of prolactin
iodine deficiency
darfism
Graves disease
gigantism
Cushing syndrome
Diabetes Mellitus