eyelidUpper and lower eyelids. It is vitally important that the front surface of the eyeball, thecornea, remain moist. This is achieved by the eyelids, which during waking hours sweep the secretions of the lacrimalapparatusand other glands over the surface at regular intervals and which duringsle...
Eye color is created by the amount and type of pigment in your iris. Multiple genes inherited from each parent determine a person’s eye color. Eye Tests Tonometry: A test that measures pressure in the eye, called intraocular pressure. Your doctor uses it to check forglaucoma. ...
eyelid and possibly of the lower as well. In real life, you wouldn't see the iris from the side; you'd only see a white eye. When I did that in my work, I received so many "this really looks weird" comments from readers that I had to start including at least a hint of the ...
-eyelashes-eyelid-eyebrows-tears Eyelids are what kind of skin and do what Thin skin, quickly shield the eye When you close your eyes why does it seem red Because of the blood inside your eyelids What are the purpose of eyelashes and what kind of special gland is there -purpose is to ...
The interplay of eyelid, iris position and pupil size creates subtle but perceptible differences in expression, as the eyes are the main point of focus in a face. They dominate the whole expression, so make sure you have the eyes right before focusing on the rest. In the Emotion Tree,...
Bony socket that houses the eyeball and muscles that move the eyeball or open the upper eyelid Supraorbital margin Upper margin of the anterior orbit Supraorbital foramen A small opening near the midpoint of the supraorbital margin Infraorbital foramen ...
like the frog’s heart, brain, lungs and intestines. But you will also find some surprising things out about frog anatomy like three eyelids on each eye. One of the eyelids is transparent, which means you can see right through it. The transparent eyelid is called the nictitating membrane. ...
Eyelid The main function of the eyelid is to provide the eye with protection. The skin of the eyelids is loose and elastic, allowing for movement. There are several types of glands in the eyelids, including tarsal glands that produce a sebaceous secretion that results in an oily surface of ...
elevates upper eyelid digastric origin: mandible and mastoid notch insertion: hyoid bone function: depresses mandible geniogyoid origin: mandible insertion: hyoid bone function: elevates hyoid bone mylohyoid origin: mandible insertion: hyoid bone ...
has several openings for passage of cranial nerves from the brainstem to the anterior skull/face. orbicularis oculi orbital part: closes eyelid tightly palpebral part: closes eyelid gently Orbital part obiccularis occuli closes eyelid tightly