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Ch1
Orientation of the human body
Term | Definition |
---|---|
Anatomy | Study of body structure |
Physiology | Study of body functions |
Pathophysiology | Study of disease |
Chemical | Atoms and compounds |
Cells | Smallest living unit |
Tissues | Group of cells with similar structure and function |
Organs | Group of tissues that work together to perform a specific function |
Organ systems | A group of organs that work to perform a function |
Organism | All body functions contributing to a living being |
Superior | Above or higher |
Inferior | Below or lower |
Anterior | Towards the front |
Posterior | Towards the back |
Ventral | Toward the front |
Dorsal | Toward the back |
Medial | Toward the midline |
Lateral | Away from the midline |
Internal | Toward the inside |
External | Outside, exterior to |
Superficial | Toward the surface |
Deep | Within, interior to |
Central | Center, main part |
Peripheral | Away from the center, main part |
Proximal | Closer to the origin |
Distal | Farther from the origin |
Parietal | Pertaining to the wall of a cavity |
Visceral | Pertaining to the organs within a cavity |
Plane | Imaginary flat surface that separates two portions |
Sagittal section | Separates body into right and left Fortions |
Midsagittal | Exactly midline |
Parasagittal | Not midline |
Transverse section | Separates body into upper and lower portions |
Frontal section | Separates body into front and back portions |
Axillary | Armpit |
Brachial | Arm |
Buccal | Cheek |
Oral | Mouth |
Vertebral | Spine |
Cervical | Neck |
Digital | Fingers |
Facial | Face |
Deltoid | Shoulder |
Femoral | Thigh |
Frontal | Forehead |
Pedal | Foot |
Carpal | Wrist |
Antecubital | Front of elbow |
Tarsal | Ankle |
Inguinal | Area in front of hip |
Cephalic | Towards the head |
Mammary | Breast |
Nasal | Nose |
Palmar | Palm |
Orbital | Eye |
Umbilical | Bellybutton |
Patellar | Knee |
Pectoral | Chest |
Sternal | Sternum |
Pelvic | Pelvis |
Abdominal | Abdomen |
Plantar | Bottom of foot |
Popliteal | Back of knee |
Sacral | Sacrum |
Perineal | Pelvic floor |
Scapular | Shoulder blade |
Occipital | Back of head |
Lumbar | Lower back |
Calcaneal | Heel |
Gluteal | Buttocks |
Cranial | Skull |
Upper areas | Above bottom of rib cage |
Middle areas | Umbilical area |
Lower areas | Below the iliac crest |
Quadrants | Four quadrants divided by two imagine lines, one vertical, and one horizontal that cross at the umbilicus |
Homeostasis | The state of dynamic equilibrium of the internal environment of the body |
Homeostatic regulation | The process of adjusting to maintain homeostasis |
Negative feedback | Reversal of a function brought about by monitoring the results of the function |
Positive feedback | Enhancement of a function |