Eye or Vision Anatomy of the eye- Eye is the organ of sense for sight ,which situated in the orbital cavity or eye socket Eye is the the spherical shaped organ in the sense which is help in vision or sensory vision . It's about 2.5 CM in diameter and three layers of the eye are completely covered There are three layer is- 1.Outer layer or tunica fibrous 2.Middle layer or tunica vasculosa 3.Inner layer or Tunica Nervosa 1.Outer layer or tunica fibrous- - Outer layer consists of two structure cornea and sclera . It is outermost avascular layer of eyes which preserve the shape of eye , A nteriorly consists of cornea and posteriorly consists of sclera. A. Cornea - Cornea is the outermost part of the eyes which is anteriorly transparent Court over the coloured Iris . cornea is convex cornea is convex,anteriorly light rays enter into the eyes through the cornea to focus on the retina . structurally cornea c...
Labour process- NOTES ON OBSTETRICS NORMAL LABOR (THEORIES OF LABOR ONSET) 1. Oxytocin Stimulation Theory 2 .Uterine Stretch Theory 3. Progesterone Deprivation Theory 4. Prostaglandin Theory 5. Theory of the Aging Placenta 6 .Fetal Adrenal Response Theory SIGNS OF LABOR (WRISLIR) • Weight Loss – 2-3 pounds (progesterone) • Ripening of the Cervix – “soft” • Increased Braxton Hicks – “irregular, painless” • Show – “ruptured capillaries + operculum = pinkish color” • Lightening – “the baby dropped” - 2 weeks (primi) and before or during (multi) ● Relief of respiratory discomfort ● Increased frequency of urination ● Leg pains ● Muscle spasms ● Increased vaginal discharge ● Decreased fundal height • Increased Level of Activity – large amount of epinephrine (AG) • Rupture of Membranes – gush or steady trickle of clear fluid FALSE LABOR CANDAC ✓ Contraction disappear with ambulation ✓ Absence of cervical dilation ✓ No ↑ DIF (duration, intensity, ...