Test 2 Flashcards
Hemopoietic tissue that manufactures red blood cells, hemoglobin, white blood cells, and thrombocytes. Located within the spongy bone
Red Bone Marrow
Area consisting of thin collagen and fine elastic fibers
Papillary Region
Found only in the external ear canal, where their secretion combines with sebum and dead epidermal cells to form earwax, or cerumen.
Ceruminous Gland
The medical specialty dealing with diseases of the skin
Dermatology
Thin layer of cartilage covering the part of the Epiphysis where the bone forms a joint
Articular Cartilage
Inadequate calcification of the extracellular bone matrix caused by a vitamin D deficiency in children. Growing bones become soft and easily deformed
Rickets
Relating to or denoting multicellular glands that release some of their cytoplasm in their secretions, especially the sweat glands associated with hair follicles in the armpits and pubic regions
Aprocrine
Mid epidermis, 3 - 5 layers of flattened keratinocytes undergoing apoptosis (cell death), dark staining keratohyalin proteins that act as a water/substance barrier. Top most layer with metabolic activities.
Stratum Granulosum
Epithelial cells whose height are at least four times their width.
Divided into simple (or unilayered), and stratified (or multi-layered). These cells are tall and are arranged like pillars. They are found in the inner lining of the intestine.
Columnar Cells
Double membrane that lines the abdominal cavity and the abdominal organs
Peritoneum
Only found in thick skin of fingertips, palms, and sole of feet, 4-6 layers of flattened clear dead plasma membranes
Stratum Lucidum
Fingerlike protrusions of the dermis into the epidermis
Dermal Papilla
6 - A thin extracellular layer that consists of two layers which attach and support upper cells to connective tissues
Basement Membrane
Oil glands of the skin located in the dermal layer of the skin over the entire body, expect for palm of hands and soles of feet
Sebaceous Gland
Rejection of transplanted tissue as a result of the recipient’s immune system not being able to recognize that the transplanted tissue as “self”
Tissue Rejection
Relating or applied directly to a part of the body.
Applied to a certain area of the skin and affecting only the area to which it is applied
Topical
Connective Tissue that contains all three types of fibers, usually arranged in a disorderly fashion (found in the subcutaneous layers of the skin). strength, elasticity and support
Areolar Connective Tissue
Raised scars, scar forms over injured tissue
Keloid Scar
Itchy rash caused by an allergic reaction
Hives
Serous membrane that covers the cavity wall
Parietal Layer
Cancer of keratinocyte cells
Squamous Cell Carcinoma
The thin layer of loose fatty connective tissue underlying the skin and binding it to the parts beneath
Adjective for the hypodermis
Superficial Fascia/Hypodermis
Localized, protective response to tissue injury designed to destroy, dilute, or wall off the infecting agent or injured tissue; characterized by redness, pain, heat, swelling, and sometimes loss of function
Inflammation
Immature cells of connective tissue; large and flat; produce fibers
Fibroblast
A nuclear imaging test that helps diagnose and track several types of bone disease
Bone Scan
“garbage collectors” - develop from monocytes (WBC), irregular shape with short branches for engulfing bacteria and debris by phagocytosis, found in dermis
Macrophage
Epithelium consisting of several layers of keratin-containing cells in which the surface cells are flattened and scalelike and the deeper cells are polyhedral
Stratified Epithelium
Saucer-shaped free nerve endings that make contact with tactile epithelial cells in the epidermis and function as touch receptors
Tactile (Merkel) Disc
Bone shaft or body; long main portion of the bone
Diaphysis
Series of microscopic fissures in bone without obvious injury
Stress Fracture
Hollow cavity that contains fatty yellow blood marrow and blood vessels
Medullary (Marrow) Cavity
Immature, undifferentiated cells that can divide to replace lost or damaged cells
Stem Cells
The proximal and distal ends of the bone
Epiphysis
Rings that provide a strong connection between cardiac muscle cells, to prevent tears and leaks in the heart.
Intercalated Discs
Smooth muscle, extends superficial dermis of the skin to the dermal root around the side of the hair follicle
Arrector Pili Muscle
Portwine stain caused by a concentration of blood cells
Hemangioma (Portwine Stain)
Bedsores caused by pressure of bones cutting off blood supply
Decubitus Ulcer
Of or denoting circles, arcs, or other shapes that share the same center, the larger often completely surrounding the smaller
Concentric
Surrounds the root of the hair follicle, made up of the external and internal root sheath
Hair Follicle
A physician who interprets and diagnoses the changes caused by disease in tissues and body fluids
Pathologist
Part of nervous tissue, the nerve cell, sensitive to stimuli, send electrical signals
Neuron
Compact keratinized cells that form the hard thin plates found on the distal surfaces of the fingers and toes. Protect the ends of fingers and toes.
Nail
Affects both the outer and underlying layer of skin. They cause pain, redness, swelling, and blistering.
Second-Degree Burn
Skin Reaction to an allergen or irritating substance
Contact Dermatitis
Nerve endings that are sensitive to touch
Meissner’s Corpuscle
Flat cells that look like fish scales.
They make up most of the cells in the outer layer of the skin (the epidermis), the passages of the respiratory and digestive tracts, and the linings of the hollow organs of the body
Squamous Cells
Microscopic study of the structure of tissues
Histology
Dendrites of neurons surrounding each hair follicle which is sensitive to touch. Notices when hair is disturbed
Hair Root Plexus
A condition of porous bones, low bone mass because resorption is faster than deposition and depletes the body of calcium
Osteoporosis
Portion of the hair deep to the shaft, penetrates into the dermis and subQ.
Hair Root
A severe burn characterized by destruction of the skin through its deeper layers and possibly into underlying tissues, loss of fluid, and sometimes shock
Third-Degree Burn
Functions in resorption, the breaking down of bone ECF
Osteoclast
Mature cartilage cells
Chondrocyte
Is the hardening of older cells; cytoplasm fills up with a keratin protein and tightly packed cells accumulate in the outer epidermis forming dead cells, which get sloughed off and shed.
Keratinization
Membrane that lines a body cavity that does not open directly to the exterior
Serous Membrane
Disorder in which the immune system attacks the body’s own tissues because it can’t between what is normal and what is foreign
Autoimmune Disease
Initiated by osteoblasts. Process of depositing calcium salts and them hardening inthe bone tissue
Calcification
Grooves found on palm, fingers, and soles where sweat is excreted to skin’s surface
Epidermal Ridges
Serous membrane that covers and adheres to the organs within the cavity
Visceral Layer
Superficial portion of the hair which projects above the skin.
Hair Shaft
Unnatural loss of clumps of hair
Alopecia
Composed of a single layer of cells.
Simple Epithelium
A type ofepithelium that, though comprising only a single layer of cells, has its cell nuclei positioned in a manner suggestive of stratified epithelia
Pseudostratified Epithelium
Itchy patch of dry skin
Psoriasis
Cancer of the epithelial cells such as skin, lining of the lungs, glands, lining of the digestive tract, urinary
Carcinoma
Contains lipids that help lubricate the skin & minimize water loss
Sebum
Fractured bone ends are manipulated manually and skin stays intact
Closed Reduction
The addition of minerals and collagen fibers to bone matrix by osteoblasts
Bone Deposition
Secrete hormones into the interstitial which diffuse into the bloodstream without a duct
Endocrine Gland
Abundant along blood vessels - produces histamine, dilates capillaries & increases permeability
Mast Cell
Body tissue containing stored fat that serves as a source of energy. conserves heat, stores energy, pads and protects organs
Adipose Tissue
Accumulate their secretory products at the apical surface and then pinches off the secretions by exocytosis. EX: secretion of milk ducts in the mammary glands
Apocrine Gland
Connective tissue made of a fine network of reticular fibers. Found in the stroma of organs, binds smooth muscle tissue cells, removes worn-out cells in spleen and microbes in lymph nodes
Reticular Connective Tissue
Blood cell production
Hemopoiesis
Circumferential
Become red and painful through exposure to the sun
Burns
Accumulate secretory in the cytosol and releases the secretions as the cell ruptures. EX: sebaceous gland of the skin
Holocrine Gland
Concentric rings of hard, calcified extracellular matrix found in compact bone
Lamellae
An examination of tissue removed from a living body to discover the presence, cause, or extent of a disease
Biopsy
Band of epidermis at the base and sides of the nail plate
Cuticle
Autosomal-recessive genetic condition with abnormal production of mucus causing obstruction
Cyst
Any break in a bone
Fractures
Characterized by or associated with a lack of blood vessels
Avascular
small cavities in bone that contain osteocytes
Lacuna