the obvious answer is the xray
Noninvasive means not invasive. It means you don't get anything invading you or whatever is being looked at. For instance, a sonogram (the so-called ultrasound) is a noninvasive medical imaging procedure.
Freeze etching is a method used in electron microscopy to reveal the internal structure of biological samples. The sample is rapidly frozen, fractured, and then sublimated to remove ice, exposing the internal surfaces. This technique allows for high-resolution imaging of cell membranes and other cellular structures.
Neurointergration a noninvasive method helping to remap and rewire the brain towards negative reaction
Fluoroscopy is an imaging method that involves viewing a radiographic image in real time by continuously projecting X-rays onto a fluorescent screen. It is commonly used during medical procedures to monitor the movement of structures such as the gastrointestinal tract or blood vessels.
A non-contrast CT scan is a type of computed tomography imaging that does not use any contrast agents, such as iodine-based dyes, to enhance the visibility of internal structures. It helps in diagnosing various conditions, including fractures, tumors, and internal bleeding, by providing detailed cross-sectional images of the body. This method is often preferred in situations where patients may have allergies to contrast materials or when rapid imaging is needed. Non-contrast CT scans are commonly used for evaluating the head, abdomen, and chest.
One specific way to identify organisms' bone structures is through X-ray imaging, which can reveal the size, shape, and composition of bones in great detail. This method is commonly used in paleontology, anthropology, and veterinary medicine to study skeletal structures.
internal
A CT scan or an MRI
First thing straight, you misspelled oximetry. Second thing is the definition of pulse oximetry is a noninvasive method allowing the monitoring of oxygenation of a patient's hemoglobin.
Imaging
The methods depend based on the type of structures. for eg. for water Retaining structures the Working stress method gives good life and for other structures which is not exposed to water, mostly limit state design works.
Seismic imaging is a direct method of observing the Earth's interior. It involves analyzing the propagation of seismic waves through the Earth's layers to create a detailed picture of the subsurface structures and composition. By registering and analyzing seismic wave patterns, geophysicists can infer information about the Earth's interior.