A flower is the reproductive unit of an angiosperm plant. There is an enormous variety of flowers, but all have some characteristics in common. The definitive characteristic of the angiosperms is the enclosed ovary, which contains and protects the developing seeds.
A lesion to the optic tract on the right would cause this visual field defect. Left homonymous superior quadrantanopia (Pie in the SKY) A lesion to the right temporal lobe would cause this visual field defect. Left homonymous inferior quadrantanopia (Pie in the FLOOR) A lesion to the right parietal lobe would cause this visual field defect. Macula. A lesion in the visual cortex causes visual field defects similar to that of other lesion, with the exception of sparing of this portion.
Parinaud's Syndrome, also known as dorsal midbrain syndrome is a group of abnormalities of eye movement and pupil dysfunction. It is caused by lesions of the upper brain stem and is named for Henri Parinaud (1844â1905), considered to be the father of French ophthalmology. Parinaud's Syndrome is a cluster of abnormalities of eye movement and pupil dysfunction, characterized by: 1. Paralysis of upgaze: Downward gaze is usually preserved. This vertical palsy is supranuclear, so doll's head maneuver should elevate the eyes, but eventually all upward gaze mechanisms fail. 2. Pseudo-Argyll Robertson pupils: Accommodative paresis ensues, and pupils become mid-dilated and show light-near dissociation.