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What else can I help you with?
What causes difference in the coloration of your eye pupil?
The pupil is allways black. The iris is the colored part.
What causes the pupil to shrink?
the light that gets into it
Why are blood vessels in iris spiralled?
To enable adequate movement during mydriasis (dilation of the pupil) and miosis (pupil closing).
What causes the pupil of the eye to get very small?
dilating
Does the iris controls the size of the pupil?
The iris is like a contractile structure of smooth muscles which surround the pupil. The sphincter pupillae, one of the smooth muscles categories of the eye, causes constriction of the pupil. The dillator pupillae, the other category of smooth muscles of the eys, causes the pupil to dilate.
What does the ciliospinal reflex do to the pupil of the eye?
The pupil dilates when stimulated by the pinching on the nape of the neck.
What causes a pupil to open and shut?
The pupil size is controlled by the iris muscles. In bright light, the iris constricts the pupil to reduce the amount of light entering the eye. In dim light, the iris dilates the pupil to allow more light to enter. Emotional responses or changes in focus can also affect pupil size.
What could be the possible causes of a dog's red pupil?
Possible causes of a dog's red pupil could include inflammation, infection, trauma, or underlying health conditions such as glaucoma or cataracts. It is important to consult a veterinarian for proper diagnosis and treatment.
What is adrenoline?
Adrenaline, also known as epinephrine, is a hormone made in the adrenal glands (on top of the kidneys). Once released into the blood, adrenaline travels throughout the body and causes increased heart rate, increased blood pressure, decrease blood flow to the stomach and intestines, increased blood flow to skeletal muscle, dilation of the pupil, and increased alertness.
What are the effects of alpha-1 receptor stimulation?
Stimulation of alpha-1 receptors causes vasoconstriction, leading to an increase in blood pressure and pupil dilation. It can also result in smooth muscle contraction in organs such as the bladder and intestine.
What causes Adie's pupil?
Some external causes such as trauma or surgery to the eye, and some internal causes such as an unknown virus, an inflammatory condition, or a familial tendency have been suggested.
What is the possessive noun for pupil?
Pupil's The pupil's mother came to school.
