Anatomy and Physiology Lab Practical 1

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236 Terms

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Anatomy
study of structure
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Gross Anatomy (Macroscopic Anatomy)
Study of structures that can be seen with the naked eye
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Microscopic Anatomy
deals with structures that can only be seen with a microscope
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Cytology
study of cells
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Histology
study of tissues
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Regional Anatomy
the study of the interrelationships of all structures in a specific body region
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Systemic Anatomy
the study of the structures that make up a discrete body system (a group of structures that work together to performa unique body function
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Homeostasis
the state if steady internal conditions maintained by living things
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Cell
the smallest independently functioning living organism
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Tissue
a group of similar cells that perform a particular function
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Organelle
tiny functioning units within a cell
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Organ
a group of tissues that perform one or more specific functions
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Organ System
a group of organs that work together to to perform major functions to meet physiological needs of the body
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Anatomical Position
To stand erect with arms at the sides and palms of the hands turned forward
To stand erect with arms at the sides and palms of the hands turned forward
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Anterior (ventral)
describes the front or direction toward the front of the body
describes the front or direction toward the front of the body
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Posterior (dorsal)
describes the back or direction toward the back of the body
describes the back or direction toward the back of the body
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Superior (cranial)
a position above or higher than another part of the body
a position above or higher than another part of the body
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Inferior (caudal)
describes a position below or lower than another part of the body
describes a position below or lower than another part of the body
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Lateral
describes the side or direction away from the middle of the body
describes the side or direction away from the middle of the body
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Medial
describes the middle or direction toward the middle of the body
describes the middle or direction toward the middle of the body
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Proximal
describes a position in a limb that is nearer to the point of attachment or trunk of the body
describes a position in a limb that is nearer to the point of attachment or trunk of the body
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Distal
describes a position in a limb that is farther from the point of attachment to the trunk of the body
describes a position in a limb that is farther from the point of attachment to the trunk of the body
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Contralateral
describes structures found on different sides of the body
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Ipsilateral
describes structures found on the same side of the body
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Sagittal Plane
divides the body or organ vertically into right and left sides (Midsagittal plane is a line right down the middle of the body)
divides the body or organ vertically into right and left sides (Midsagittal plane is a line right down the middle of the body)
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Frontal Plane (coronal plane)
divides the body or organ into anterior and posterior portions
divides the body or organ into anterior and posterior portions
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Transverse Plane
divides body or organ horizontally into upper and lower portions, produce cross sections
divides body or organ horizontally into upper and lower portions, produce cross sections
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Oblique Plane
a diagonal cut between longitudinal and horizontal planes, produces uneven sections
a diagonal cut between longitudinal and horizontal planes, produces uneven sections
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Ventral Cavity
Includes thoracic and abdominopelvic cavities
Includes thoracic and abdominopelvic cavities
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Dorsal Cavity
includes the cranial and spinal (vertebral) cavities
includes the cranial and spinal (vertebral) cavities
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Thoracic Cavity
contains the superior mediastinum, pleural cavity, and pericardial cavity within the mediastinum, and diaphragm
contains the superior mediastinum, pleural cavity, and pericardial cavity within the mediastinum, and diaphragm
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Abdominopelvic Cavity
contains the abdominal and pelvic cavities
contains the abdominal and pelvic cavities
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Epigastric Region
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Right Hypochrondriac Region
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Left Hypochrondriac Region
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Right Lumbar Region
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Umbilical Region
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Left Lumbar Region
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Right Iliac Region
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Hypogastric Region
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Left Iliac Region
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Right Upper Quadrant (RUQ)
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Left Upper Quadrant (LUQ)
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Right Lower Quadrant (RLQ)
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Left Lower Quadrant (LLQ)
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Abdominal Cavity
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Pelvic Cavity
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Cranial Cavity
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Vertebral Cavity
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Superior Mediastinum
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Pleural Cavity
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Pericardial Cavity with Mediastinum
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Diaphragm
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Cytosol
the jelly-like fluid component of the cytoplasm that includes the components necessary for cell function
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Cytoskeleton
a group of fibrous proteins, including microfilaments, intermediate filaments, and microtubules that help to maintain the cell’s structural integrity
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Nucleus
contains the cell’s DNA and directs cellular functions
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Mitochondrion
Converts energy storage molecules into the major energy molecule, ATP, to power cellular function
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Ribosome
Protein synthesis
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Rough Endoplasmic Reticulum
includes ribsomes for the synthesis and modification or proteins
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Smooth Endoplasmic reticulum
lipid synthesis
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Golgi Apparatus
sorts, modifies, and ships products from the endoplasmic reticulum
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Lysosome
contains digestive enzymes to break down materials
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Peroxisome
contains enzymes key for lipid metabolism and chemical detoxification
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Interphase
the period of the cell cycle during which the cell is not dividing
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Mitosis
the division of genetic material, during which the cell nucleus breaks down and two new, fully functional nuclei are formed
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Cytokinesis
divides the cytoplasm into two distinctive cells
divides the cytoplasm into two distinctive cells
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G1 Phase
when the cell grows and carries out all metabolic functions and processes
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S Phase
the period when a cell replicated its DNA
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G2 Phase
a second gap phase (like G1) during which the cell continues to grow and make preparations for mitosis
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Prophase
chromosomes condense and become visible, mitotic spindle microtubules attach to kinetochores
chromosomes condense and become visible, mitotic spindle microtubules attach to kinetochores
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Metaphase
chromosomes line up in the middle, each sister chromatid is attached to a spindle fiber
chromosomes line up in the middle, each sister chromatid is attached to a spindle fiber
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Anaphase
Centromeres split in two, sister chromatids (chromosomes) are pulled toward opposite poles
Centromeres split in two, sister chromatids (chromosomes) are pulled toward opposite poles
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Telophase
chromosomes arrive at opposite poles and begin to decondense, nuclear envelope material surrounds each set of chromosomes
chromosomes arrive at opposite poles and begin to decondense, nuclear envelope material surrounds each set of chromosomes
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Epithelial Tissue
sheets of cells that cover exterior surfaces of the body, line internal cavities and passageways, and form certain glands
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Connective Tissue
binds the cells and organs of the body together and functions in the protection, support, and integration of all parts of the body
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Muscle Tissue
excitable tissue that responds to stimulation and contracting to practical movement
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Nervous Tissue
excitable tissue that allows the propagation of electrochemical signals in the form of nerve impulses that allow communication between different parts of the body
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Apical surface
where the action happens
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Basal surface
the side of the cell connected to the grid
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Simple Squamous Epithelium
located in the alveoli of lungs where gases diffuse, segments of kidney tubules, and lining of capillaries, blood and lymphatic vessels. Allows materials to pass through by diffusion and filtration, and secretes lubricating substance
located in the alveoli of lungs where gases diffuse, segments of kidney tubules, and lining of capillaries, blood and lymphatic vessels. Allows materials to pass through by diffusion and filtration, and secretes lubricating substance
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Stratified Squamous Epithelium
found where protection against physical and chemical wear and tear is needed; lines the esophagus, mouth, and vagina.
found where protection against physical and chemical wear and tear is needed; lines the esophagus, mouth, and vagina.
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Simple Cuboidal Epithelium
active in the secretion and absorptions of molecules, found in the lining of the kidney tubules and in the ducts of glands
active in the secretion and absorptions of molecules, found in the lining of the kidney tubules and in the ducts of glands
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Stratified Cuboidal Epithelium
protective tissue found in sweat glands, salivary glands, and mammary glands but uncommon in human body
protective tissue found in sweat glands, salivary glands, and mammary glands but uncommon in human body
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Simple Columnar Epithelium
active in the absorption and secretion of molecules and often has microvilli to increase SA, forms the linings of digestive tract and bladder
active in the absorption and secretion of molecules and often has microvilli to increase SA, forms the linings of digestive tract and bladder
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Ciliated Columnar Epithelium
simple columnar epithelium cells with cilia on the apical surface, found in bronchi, and the lining of the uterine tubes and uterus
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Cilia
help to move materials along the apical surface of cells, usually found in respiratory or uterine tract
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Pseudostratified Columnar Epithelium
found in respiratory tract and upper trachea, ciliated tissue moves mucus
found in respiratory tract and upper trachea, ciliated tissue moves mucus
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Stratified Columnar Epithelium
secretes and protects, found in the male urethra and the ducts of some glands
secretes and protects, found in the male urethra and the ducts of some glands
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Keratinized, stratified squamous epithelium
ex: mammalian skin, where the top layer of skin is dead
ex: mammalian skin, where the top layer of skin is dead
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Transitional Epithelium
a type of stratified epithelium where the apical cells can change shape. Only found in the urinary system (bladder and ureters)
a type of stratified epithelium where the apical cells can change shape. Only found in the urinary system (bladder and ureters)
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Areolar Tissue
loose connective tissue, fills spaces between muscle fibers, surrounds blood and lymph vessels, and supports organs in the abdominal cavity
loose connective tissue, fills spaces between muscle fibers, surrounds blood and lymph vessels, and supports organs in the abdominal cavity
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Adipose Tissue
loose connective tissue, has large capillaries that allow for rapid storage and mobilization of lipid molecules. White tissue can be found protecting the kidneys and back of the eye
loose connective tissue, has large capillaries that allow for rapid storage and mobilization of lipid molecules. White tissue can be found protecting the kidneys and back of the eye
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Reticular Tissue
loose connective tissue, supports soft organs like lymphatic tissue, spleen, and liver. these cells produce the fibers that form the network onto which other cells attach
loose connective tissue, supports soft organs like lymphatic tissue, spleen, and liver. these cells produce the fibers that form the network onto which other cells attach
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Dense Regular Tissue
connective tissue with collagen fibers that enhance strength and resistance to stretching, used in ligaments and muscle tendons
connective tissue with collagen fibers that enhance strength and resistance to stretching, used in ligaments and muscle tendons
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Dense Regular Elastic Tissue
connective tissue, found between vertebrae and vocal folds
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Dense Irregular Tissue
connective tissue with collagen fibers arranged in different directions, found in dermis and arterial walls (provides strength and ability to regain original shape after stretching)
connective tissue with collagen fibers arranged in different directions, found in dermis and arterial walls (provides strength and ability to regain original shape after stretching)
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Hyaline Cartilage
supporting connective tissue, consists of collagen fibers and proteoglycans, found in bronchi, rib cage, nose, and covers bones where they meet to form joints
supporting connective tissue, consists of collagen fibers and proteoglycans, found in bronchi, rib cage, nose, and covers bones where they meet to form joints
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Fibrocartilage
supporting connective tissue, provides compressibility and absorbs pressure, has thick bundles of collagen fibers throughout its matrix, found in menisci of knee joint and intervertebral discs
supporting connective tissue, provides compressibility and absorbs pressure, has thick bundles of collagen fibers throughout its matrix, found in menisci of knee joint and intervertebral discs
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Elastic Cartilage
supportive connective tissue, provides firm but elastic support, contains elastic and collagen fibers, found in ear lobes
supportive connective tissue, provides firm but elastic support, contains elastic and collagen fibers, found in ear lobes
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Bone
protects internal organs and supports the body, contain collagen fibers covered in a mineralized substance, highly vascularized
protects internal organs and supports the body, contain collagen fibers covered in a mineralized substance, highly vascularized