Eye Anatomy
White portion of eyeball
sclera
Steroid hormone
Testosterone, estrogen, cortisol
Most focusing of vision is from this structure
Lens
Calcitonin secreted by this gland
Thyroid (mostly) & Parathyroid
This is the type of receptors of smell.
chemoreceptors or olfactory receptors
Structure pulls on suspensory ligaments for accommodation
ciliary body
Amine hormone
epinephrINE, norepinephrINE (amINE)
Gel-like humor that gives shape to the eyeball
Vitreous humor
Glucocorticoids (cortisol) is secreted by this gland
adrenal cortex
The number of olfactory receptors in nasal epithelium.
up to 20 million
Highly vascularized tunic & pigmented structure
choroid
Peptide hormone
insulin, GH
This is the name where sharpest vision occurs.
fovea centralis (macula)
Disease of low cortisol of adrenal cortex
Addison's disease
Number of taste buds in adults
10,000
Structure that gives binocular vision
Optic chiasmata (decussated optic nerve)
Hormones secreted by posterior pituitary
Oxytocin, ADH
Cones are highly concentrated here
Fovea centralis (dented from no rods)
High T-3 and T-4 disease
hyperthyroidism
Which taste is considered protective?
Bitter (back of tongue - poisons)
Nutrient rich fluid between cornea & lens
aqueous humor
TSH stimulated by this gland
Thyroid gland
Lens that have lost elasticity and thus needs bifocals is called
Presbyopia
Increased secretions from parathyroid gland ___ calcium in bone
increases
Cranial Nerves of taste?
VII (anterior taste), IX (Posterior 1/3 tongue), X (no taste but carries taste sensation to back tongue)