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Anatomy unit 3. Voca
| Term | Definition |
|---|---|
| Anatomy | study of bodily structures |
| physiology | study of bodily functions |
| skeletal system function | Support protection for internal organ, and aid movement. |
| skeletal system structure | Bones, tendons, ligaments/ cartilage. |
| Muscular system function | movement, and stabilization |
| Muscular system structure | skeletal, smooth, and cardiac muscles |
| Nervous system function | collect, process/ respond to sensory information; controls voluntary and involuntary (reflex) actions |
| Nervous system structure | Brain, spinal cord, and all connected nerves, and sensory organs |
| what are key cells called | neurons |
| Endocrine system function | production / secretion of hormones for regulation of body |
| Endocrine system structure | hypothalamus/ glands |
| Cardiovascular system function | Gas exchange and nutrient transport to and from cells throughout the body |
| Cardiovascular system structure | Heart, blood vessels, and blood |
| Respiratory system function | Gas exchange; take in oxygen and get rid of carbon dioxide |
| Respiratory system structure | Lungs, nose, mouth, and diaphragm. |
| Digestive system function | break down of food/ absorption of nutrients for body |
| Digestive system key structures | Mouth, stomach, and intestines. |
| Urinary system function | Maintain water balance, get rid of waste |
| Urinary system structure | Kidney/ bladder |
| integumentary system function | Act as barrier to protect body from outside world. As well regulate temperature and control water loss |
| integumentary system structure | skin, hair, nails. |
| Immune/ Lymphatic system | defend, deflect, and destroy infectious agents that make way to body |
| Immune/ Lymphatic structure | Lymph nodes, blood vessels, thymus, bone marrow, spleen |
| Anatomical position | Where a person is standing up with feet slightly apart and arms at side |
| Axial | head, neck, and trunk |
| Appendicular | Appendages attached to axis |
| Superior (Cranial) | Towards upper part |
| Inferior | Away from upper part towards lower part. below |
| Anterior (ventral) | toward or at the front of the body; in front of |
| Posterior (dorsal) | Toward or at the back of the body; behind |
| Medial | Toward or at the midline of the body; on the inner side of |
| Lateral | Away from the midline of the body; on the outer side of |
| Intermediate | in between |
| Proximal | Closer to the point where a limb attaches to the body trunk |
| superficial | toward body surface |
| deep | away from body surface |
| Body planes | Flat surfaces used to divide the body into different sections |
| Sagittal | Vertical plane that divides the body into left and right sections |
| Frontal | Vertical plane that divides the body into anterior and posterior sections (front and back |
| Transverse | Horizontal plane that divides the body into superior and inferior sections (above and below) |
| Mid- sagittal | A sagittal plane that crosses through the midline of the body |
| parasagittal | A sagittal plane that does not cross through the midline of the body |
| Cranial cavity | holds the brain |
| Vertebral (spinal) cavity | holds the spinal cord with bony vertebrae |
| Thoracic cavity | holds the heart (pericardial cavity) and lungs (pleural cavity) |
| Abdominal cavity | holds the stomach, intestines, spleen, liver, etc. |
| Pelvic cavity | holds the bladder, some reproductive organs, and rectum |
| Oral cavity | holds mouth, teeth, and tongue |
| Digestive cavity | connects oral cavity all the way to the rectum |
| Nasal cavity | within and behind the nose |
| Orbital cavity | holds the eyes |
| Middle ear cavity | contain tiny bones medial to the eardrums |
| Synovial cavity | joint cavities |