Basic Anatomical Terms : Human Anatomy
Study 15 anatomical terms of relationship and comparison (table ) flashcards from Nataliya B. on StudyBlue. Table A & P Learn with flashcards, games, and more — for free. Human anatomy uses its own collection of terms. It is really important to understand the basic terms, which would be used again and Terms of Relation.
Proximal means closest to the point of origin or trunk of the body, distal means farthest away. Proximal and distal are often used when describing arms and legs. If you were describing the shin bone, the proximal end would be the end close to the knee and the distal end would be the end close to the foot. In the fingers of the hand, a proximal joint is closest to the wrist and a distal joint is farthest from the wrist.
Superficial means toward the body surface, deep means farthest from the body surface. Intermediate — means between—your heart is intermediate to your lungs. Caudal — at or near the tail or posterior end of the body. Visceral — may be used instead of deep. There are also terms that describe specific body parts.
Palmar describes the palm side of the hand. Dorsal describes the back side of the hand. Plantar describes the bottom of the foot. Anatomical Reference Planes A plane is a two-dimensional surface — its dimensions are length and width. The body reference planes are used to locate or describe the location of structures in the body.
Anatomical Terms of Location
Brain scans are often of sagittal plane slices from ear to ear. Abdominal CAT scans are often transverse plane slices like a stack of coins. The three basic planes intersect at right angles to each other. When the three basic planes intersect in the center of the body as seen in the image to the right they can be used to describe various relationships within the body.
Main Reference Planes Sagittal plane median, wheel — this vertical top to bottom plane divides the body into left and right sides; a plane that divides the body down the middle into equal left and right sides is the Median Sagittal Plane.
Body Cavities Body cavities are areas in the body that contain our internal organs. The dorsal and ventral cavities are the two main cavities.
The dorsal cavity is on the posterior back side of the body and contains the cranial cavity and spinal cavity. In human anatomy, dorsal, caudal and posterior mean the same thing.
- Anatomical terms for describing planes:
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The ventral cavity is on the front anterior of the body and is divided into the thoracic cavity chest and abdominopelvic cavity. Dorsal Cavity The dorsal cavity is further divided into subcavities: Ventral Cavity The ventral cavity is on the front of the trunk.
The diaphragm the main muscle of breathing divides the ventral cavity into two simple subcavities: It is further divided into the pleural cavities left and right which contain the lungs, bronchi, and the mediastinum which contains the heart, pericardial membranes, large vessels of the heart, trachea windpipeupper esophagus, thymus gland, lymph nodes, and other blood vessels and nerves. The abdominal cavity is between the diaphragm and the pelvis.
It is lined with a membrane and contains the stomach, lower part of the esophagus, small and large intestines except sigmoid and rectumspleen, liver, gallbladder, pancreas, adrenal glands, kidneys and ureters.
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The pelvic cavity contains the bladder, some reproductive organs and the rectum. The thoracic cavity is open at the top and the abdominal cavity is open at the bottom. Both cavities are bound on the back by the spine.
Even though their location is defined, the shape of these cavities can change. How they change is very different. By Aaron Smith and Maeve Duggan One in ten Americans have used an online dating site or mobile dating app themselves, and many people now know someone else who uses online dating or who has found a spouse or long-term partner via online dating.
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