amount of light entering eye
Yes, fear can cause pupils to constrict. When the body experiences fear, the sympathetic nervous system is activated, leading to the release of adrenaline. Adrenaline causes the pupils to constrict, allowing the individual to focus on a threat and react quickly.
The noun "pupils" is a common noun, as it refers to a general group of students rather than a specific individual or entity. It is also a plural noun, indicating more than one pupil. In a different context, "pupils" can refer to the openings in the center of the eyes, but in educational contexts, it typically denotes students.
The consensual light reflex involves the midbrain, specifically the pretectal area, which receives input from the optic nerves and sends signals to the Edinger-Westphal nuclei in the oculomotor nerve to control constriction of the pupils in response to light.
It typically takes around 5-10 seconds for your pupils to adjust to a change in light. This process is controlled by the iris, which can expand or contract to regulate the amount of light entering the eye.
This is called the near reflex or near response. It involves the reflexive constriction of the pupils, known as miosis, as well as convergence of the eyes and accommodation of the lens to allow for clear vision of close objects. This response is controlled by the parasympathetic nervous system.
The cross eyed college professor who seemed to have absolutely no control over his pupils. Pun on the word pupils.
They both examine pupils (It's a joke Joice).
She couldn't control her pupils.
because she couldn't control her pupils
Normally, no, but there are certainly people with the ability to voluntarily control it. It can be learned.
the brain
No, after death the pupils do not adjust for light. The muscles that control the pupil's diameter require a functional nervous system, which is no longer active after death. Therefore, the pupils remain fixed at a dilated position.
Alien Or cross-eyed
The opposite of dilated pupils is constricted pupils.
Oculomotor Nerve
yes, i have really big pupils but im not on drugs. but if someone's pupils are dilated and dont shrink when you shine a light in their eyes their probably on drugs
Pupils'. When you have a plural possessive, then the apostrophe goes after the s. If a pupil owns something, that is the pupil's stuff. If pupils collectively own something, that is the pupils' stuff.