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35 Cards in this Set

  • Front
  • Back
What is adipose tissue?
Tissue composed of fat cells
What is Axon?
A long extention of a nerve cell, extending from the cell body to synaptic endings on other nerve cells or on muscles
What is blood?
A fluid of plasma in which blood cells are suspended: carried within the circulatory system.
What is bone?
A hard, mineralized connective tissue that is a major component of the vertebrate endoskeleton: provides support and sites for muscle attachment.
What is a cardiac muscle?
The specialized muscle of the heart,able to initiate its own contraction, independent of the nervous system.
What is cartilage?
A form of connective tissue that forms portions of the skeleton: consits of chondrocytes and their extracellular secretion of collagen: resembles flexible bone.
What is cell body?
The part of a nerve cell in which most of the common cellular organelles are located: typically a site of integration of inputs to the nerve cell.
What is collagen?
A fibrous protein in connective tissue such as bone and cartilage.
What is connective tissue?
A tissue type consisting of diverse tissues, including bone, fat, and blood, that generally contain large amounts of extracellular material.
What is dendrite?
A branched tendril that extends outword from the cell body of a neuron: specialized to respond to signals from the external enviornment or from other neurons.
What is dermis?
The layer of skin beneath the epidermis: composed of connective tissue and containing blood vessles, muscles, nerve endings, and glands.
What is the endocrine gland?
A ductless, hormone-producing gland consisting of cells that release their secretions into the extracellular fluid from which the secretions diffuse into nearby capillaries.
What is the epidermis?
In animals, specialized epithelial tissue that forms the outer layer of skin.
What is epithelial tissue?
A tissue type that forms membranes that cover the body surface and line body cavities, and that also gives rise to glands.
What is the exocrine gland?
A gland that releases its secretion into ducts that lead to the outside of the body or into the digestive tract.
What is a gland?
A cluster of cells that are specialized such as sweat or hormones.
What is a gial cell?
A cell of the nervous system that provides support and insulation for neurons.
What is a hair follicle?
A gland in the dermis of mammalian skin, formed from epithelial tissue, that produces a hair.
What is homeostasis?
The maintenance of a relatively constant environment required for the optimal functioning of cells, maintained by the coordintated activity of numerous regulatory mechanisms, including the respiratory, endocrine, circulatory, and excretory systems.
What is keratin?
A fibrous protein in hair, nails, and the epidermis of the skin.
what is a ligament?
A tough connective tissue band connecting two bones.
What is lymph?
A pale fluid, whithin the lymphatic system, that is composed primarily of interestial fluid and lymphocytes.
What is a membrane?
In multicellular organism, a continuous sheet of epithelial cells that covers the body and lines body cavities.
What is negative feedback?
A situation in which a change initiates a series of events that tend to couteract the change and restore the original state. Negative feedback in phsyiological systems maintains homeostasis.
What is a nerve tissue?
The tissue that make up the brain, spinal cord, and nerves: consists of neurons and gial cells.
What is a neuron?
A single nerve cell.
What is an organ?
A structure composed of two or more distinct tissue types that function together.
What is an organ system?
Two or more organs that work together to perform a specific function: for example, the digestion system.
What is positive feedback?
A situation in which a change initiates events that tend to amplify the origional change,
What is a sebaceous gland?
A gland in the dermis of skin, formed epithelial tissue, that produces the oily substance sebum, which lubricates th epidermis.
What is a skeletal muscle?
The type of muscle that is attatched to and moves the skeleton and is under direct, normally voluntary, control of the nervous system: also called striated muscle.
What is a smooth muscle?
The type of muscle that surtounds hollow organs, such as digestive tract, bladder, and blood vessels: normally not under voluntary control.
What is a synaptic?
A swelling at the branched ending of an axon: where the axon forms a synapse.
What is a tendon?
A tough connective tissue band connecting a muscle to a bone.
What is tissue?
A group of cells that together carry out a specific function: for example, muscle: may include extralcellular material produced by its cells.