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Anatomy stack 2
weeks 6-12
| Term | Definition |
|---|---|
| buccinator muscle | a thin quadrilateral muscle occupying the interval between the maxilla and the mandible at the side of the face. |
| diaphragm | a sheet of internal skeletal muscle that extends across the bottom of the thoracic cavity. |
| intrinsic muscle | one whose origin and insertion are both in the same part or organ, as those entirely within the eye. |
| extrinsic muscle | one that originates in another part than that of its insertion, as those originating outside the eye, which move the eyeball. |
| autonomic nervous system (ans) | a component of the peripheral nervous system that regulates involuntary physiologic processes including heart rate, blood pressure, respiration, digestion, and sexual arousal. |
| cerebellum | a major structure of the hindbrain that is located near the brainstem. This part of the brain is responsible for coordinating voluntary movements. |
| abdominal reflex | a superficial neurological reflex stimulated by stroking of the abdomen around the umbilicus. |
| ganglion | a small, usually hard bump above a tendon or in the capsule that encloses a joint. |
| chemoreceptor | a sensory cell or organ responsive to chemical stimuli. |
| basilar membrane | an important component of the inner ear and is located inside the cochlea, which is moved by sound waves that fall on the ear. |
| endocrine hormone | hormones produced by the endocrine system. |
| adrenal cortex | the outer region and also the largest part of an adrenal gland. |
| biocarbonate ion | an anion with the empirical formula HCO 3 and a molecular mass of 61.01 daltons; it consists of one central carbon atom surrounded by three oxygen atoms in a trigonal planar arrangement, with a hydrogen atom attached to one of the oxygens. |
| atrium | the upper chamber through which blood enters the ventricles of the heart. |
| abdominal aorta | the last portion of the aorta and is located in the abdominal cavity. It takes blood from the aorta, through the trunk, and to the abdominopelvic organs and legs. |
| cardiac output | the amount of blood the heart pumps in 1 minute, and it is dependent on the heart rate, contractility, preload, and afterload. |
| lymph node | small, bean-shaped glands that are located along the lymphatic system (a system of vessels similar to arteries and veins through which lymph fluid travels) |
| cytokine | any of a number of substances, such as interferon, interleukin, and growth factors, which are secreted by certain cells of the immune system and have an effect on other cells. |
| antigen | is a molecule that stimulates an immune response by activating leukocytes (white blood cells) that fight disease. |
| glottis | The vocal apparatus of the larynx, consisting of the vocal folds of mucous membrane investing the vocal ligament and vocal muscle on each side, the free edges of which are the vocal cords, and of a median fissure, the rima glottidis. |