Anatomy Study Guide PDF
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Stephanie Collins
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Summary
This study guide provides definitions and explanations related to human anatomy terms, such as anatomical position, body planes, and cavities. The document also includes information on homeostasis and cell organelles.
Full Transcript
Anatomy Study Guide Full Name Stephanie Collins Anatomy- is the study of structure of an organism and relationships of its parts. Physiology- Study of functions of living Anterior (ventral) and posterior organisms and their parts. (dorsal) Patholo...
Anatomy Study Guide Full Name Stephanie Collins Anatomy- is the study of structure of an organism and relationships of its parts. Physiology- Study of functions of living Anterior (ventral) and posterior organisms and their parts. (dorsal) Pathology-scientific The study of disease Anterior - Front, in front of (same as ventral in humans) Anatomical position Posterior- Back, in back of (same - Body is standing erect with the feet as dorsal in humans) slightly apart and arms at the sides with palms turned forward. Proximal and distal (Limbs) The supine position- -the body lying face up. Proximal: Nearest to the trunk or The prone position -the body lying face down point of origin. Define these terminologies: Distal: Away from the trunk or point of origin. Superior and inferior Superior: Toward the head, upper, above Inferior: Toward the feet, lower, below Deep and superficial Superficial: Nearer the body surface Deep: Farther away from the body surface Anatomy Study Guide Full Name Stephanie Collins Define these body sections(planes): Frontal(coronal) section Transverse section Lengthwise plane that divides a horizontal plane that divides a structure into anterior and structure into upper and lower posterior sections sections Midsagittal plane that divides the body into two equal halves. Sagittal plane: Lengthwise plane that divides a structure into right and left sections Anatomy Study Guide Full Name Stephanie Collins Thoracic Cavity- space in your chest that Anatomy Terms -MUST KNOW contains organs, blood vessels, nerves and other important body structures. Cervical – Neck Two subdivisions: Carpal- Wrist 1- Mediastinum: Midportion of thoracic Femoral- Thigh cavity; heart and trachea located in mediastinum Umbilical-Navel 2- Pleural cavities: Right lung located in right Brachial- Arm pleural cavity. left lung in left pleural cavity. Antebrachial – Forearm The muscular sheet called the Inguinal – Groin diaphragm divides the thoracic cavity and abdominal Cephalic- Head cavities. Tarsal- Ankle Axillary- Armpit Name the three regions of the upper abdomen. Right hypochondriac region Epigastric region Left hypochondriac region Anatomy Study Guide Full Name Stephanie Collins Cell organelles and their functions Ribosomes - Manufacture proteins & enzymes Rough endoplasmic reticulum - transport those proteins Smooth endoplasmic reticulum - Repair (make) new plasma membrane. Golgi apparatus - Processes and packages materials Define homeostasis. Lysosomes - Garbage bags; contains digestive system -Maintaining a relative constancy of the internal environment. Mitochondria - Powerhouse of the cell. Makes energy (ATP) - Adenosine Negative feedback loops reverse/oppose the triphosphate is currency for agency primary change. Positive loops enhance the primary change. Ex: birth of a baby, blood clot. Feedback loops involves: - a sensor - a control center - an effector Organs function to maintain homeostasis - epithelial tissue - connective tissue - nervous tissue - muscular tissue Anatomy Study Guide Full Name Stephanie Collins Diffusion: Substances scatter themselves evenly throughout an available space 12-List two organs of the mediastinum, Osmosis: Diffusion of water. two organs of the abdominopelvic cavity, and two organs of the pelvic cavity. Filtration: Movement of water and solutes caused by hydrostatic pressure on one side Two organs of the mediastinum of membrane. - heart - trachea Two organs of the abdominopelvic cavity Four stages of Osmosis: - Stomach - Intestines Two organs of the pelvic cavity - Uterus - Ovaries Changes in Cell Growth: Atrophy: Decrease in size of individual number of cells Hypertrophy: Increase in cell size Prophase: Changes in Reproduction In cells: First Stage- Chromatin granules become condensed and organized Hyperplasia: Refers to the increase in the number of cells Metaphase Anaplasia: Cells fail to mature normally and do not differentiate as they Second Stage- Chromosomes align should. across center of cell. Cell life cycle: Anaphase Interphase- is the nonproliferative time Third Stage- Separated chromatids (the longest) (sister chromatids) are pulled to Prophase - chromatin condensed and opposite ends of cell organized Metaphase - chromosomes align at the center of the cell Telophase Anaphase - sister chromatids move into opposite sites Fourth Stage- Cell division is Telophase - two nuclear envelopes are completed Nuclear envelope and present nucleoli appear Cytokinesis - division of cytoplasm