Thyroid 101. Located above the Adam's apple, your thyroid produces thyroid hormone (TH), which regulates, among other things, your body's temperature, metabolism, and heartbeat. Things can start to go wrong when your thyroid is under- or over-active. If it's sluggish, it produces too little TH; amped-up and it produces too much.
yes but what is it to you. As with most fish, perch fish do not have eyelids. They are, however, covered by a layer of transparent integument or coating to keep the eye protected.no a perch fish does not have eyelids but they have viginas.ome do but alot of them don't. Some like the leopard geckos, fat tail geckos, cat geckos, and more do have eyelids. Crested geckos, tokay geckos, banana geckos, and more do n â¦ ot have eyelids. The ones that don't have eyelids lick their eyes to keep them moist and clean.
The meibomian glands live in the upper and lower eyelids. There are approximately 15 - 20 glands per lid. The gland openings lie on the edge of the eyelid just inside the eyelash line. The body of the gland is inside the tarsal plate, which is a very thin piece of cartilage that gives the eyelid its defined shape. When your doctor everts your lid (flips it inside out) he is flipping over the tarsal plate.