BIO 226 Human A&P Chapter 1

21 terms by autumnspring13

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Anatomy

The study of structure

Physiology

The study of function

Cytology

The study of cells

Histology

The study of Tissues

Embryology

The study of development

Pathology

The study of disease

List some characteristics of of living organisms:

1. Respiration: Take in Oxygen and produce energy
2. Metabolism: Burning energy for processes
3. Waste Producing
4. Adaptability (Responsiveness)

Homeostasis

Dynamic (continually shifting) state of equilibrium; provides stability

Negative Feedback

The output shuts off the original input

Positive Feedback

The response enhances the original stimulus. (Cascade, Amplified)

Systemic

Pertaining to the whole body

Major Cavities: Dorsal

1. Cranial
2. Vertebral

Major Cavities: Ventral

1. Thoracic
2. Abdominal
3. Pelvic

Serosa

Thin double-layered membrane lining the walls of the ventral body cavity and the outer surfaces of the organs (inner visceral and outer parietal)

X-ray

Shadowy negative of internal structures. Dense structures absorb the x-rays.

CT scan

computer tomography; refined X-ray

PET scan

positron emission tomography; observes metabolic processes

Sonography

ultrasound; high frequency sound waves

MRI

magnetic resonance imaging; high-contrast image of soft tissues

Cadaver

a body being used for medical training or research

Autopsy

thorough examination of a corpse in order to determine the cause of death to evaluate any disease or injury that may be present

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