arachnoid mater – middle layer of your meninges named for your spider-Internet–like trabeculae that stretch in between it as well as the pia mater.
annular ligament – intrinsic ligament from the elbow articular capsule that surrounds and supports The top from the radius in the proximal radioulnar joint.
Improvements in an organism’s inside environment, including increased body temperature, might cause the responses of perspiring plus the dilation of blood vessels while in the skin as a way to decrease body temperature, as shown by the runners in Figure 1.7.
costal cartilage – hyaline cartilage construction connected on the anterior stop of each and every rib that gives for possibly direct or indirect attachment of most ribs for the sternum.
cell membrane – membrane bordering all animal cells, composed of a lipid bilayer interspersed with numerous molecules; often called plasma membrane.
Metabolism Anabolic reactions are setting up reactions, and so they take in Vitality. Catabolic reactions split products down and launch energy. Metabolism involves equally anabolic and catabolic reactions.
costal groove – shallow groove along the inferior margin of a rib that provides passage for blood vessels in addition to a nerve.
cytoskeleton – “skeleton” of the mobile; formed by rod-like proteins that aid the cell’s shape and provide, among other functions, locomotive talents.
cerebral cortex – outermost layer of grey matter in the brain, where by aware notion takes position.
corticobulbar tract – relationship between the cortex as well as the Mind stem to blame for making motion.
axon click here segment – single stretch of the axon insulated by myelin and bounded by nodes of Ranvier at either stop (aside from the main, which is following the First section, and the final, which happens to be accompanied by the axon terminal).
Responsiveness is the flexibility of the organism to adjust to improvements in its interior and external environments. An illustration of responsiveness to exterior stimuli could include transferring toward sources of food and water and more info far from perceived hazards.
Betz cells – output cells of the key motor cortex that induce musculature to maneuver as a result of synapses on cranial and spinal motor neurons.
atrioventricular septum – cardiac septum located in between the atria and ventricles; atrioventricular valves can be found right here.