iris
The iris is the pigmented ring around the pupil that adjusts pupil size to regulate how much light enters the eye.
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The iris is the pigmented ring around the pupil that adjusts pupil size to regulate how much light enters the eye.
Read definitionIt is the eye of keyhole surgery: instruments enter through separate ports, and the whole team operates from one magnified screen image.
Read definitionTrading one long wound for several small ones changes the recovery far more than it changes the operation performed inside.
Read definitionWhich type is raised matters more than the total, since neutrophils, lymphocytes and eosinophils each point somewhere different.
Read definitionA condition in which there is a slow breakdown of cells in the center of the retina (the light-sensitive layers of nerve tissue at the back of the eye).
Read definitionMantle cell lymphoma is a B-cell lymphoma named for the lymph node zone it arises from, generally considered an aggressive subtype.
Read definitionA lymph node located above the collar bone and between the center of the body and a line drawn through the nipple to the shoulder.
Read definitionA membrane is a thin sheet of tissue that lines, covers, separates, or encloses a body structure or cavity.
Read definitionThe clinician whose training centers on birth as a normal event, with the judgment to recognize when it has stopped being one.
Read definitionUnlike vitamins, these are chemical elements: they cannot be built or destroyed by cooking, only taken in and lost again.
Read definitionThe nasopharynx is the uppermost part of the throat, connecting the nasal cavity to the rest of the airway and to each middle ear.
Read definitionNausea is an uncomfortable stomach sensation often preceding vomiting, with causes ranging from motion and illness to medication and pregnancy.
Read definitionA federal agency that uses science to explore complementary and alternative medicine (CAM) practices, trains CAM researchers, and provides authoritative information about CAM to professionals and…
Read definitionA nose spray that contains a small dose of nicotine, which enters the blood by being absorbed through the lining of the nose.
Read definitionThe raised opening at the center of the breast where the milk ducts reach the surface, ringed by darker skin.
Read definitionOlfaction is the sensory process that detects airborne chemical molecules in the nose and interprets them as distinct smells.
Read definitionOral describes anything relating to the mouth, including its anatomy, medications taken by swallowing, and examinations of the mouth and throat.
Read definitionPapilledema is swelling of the optic disc caused by raised pressure inside the skull, visible on examination of the eye.
Read definitionTwo trainings in one person, which separates the role from a hospital chaplain and from a therapist who leaves belief aside.
Read definitionAn orally available pyridopyrimidine-derived cyclin-dependent kinase (CDK) inhibitor with potential antineoplastic activity.
Read definitionFor learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.