Chapter 3 Termonology Flashcards
Anatomy for Central Service Technicians
Anatomy
The study of the structure and relationships between body parts.
Physiology
The study of the functions of body parts and the body, as a whole.
Cell
The basic unit of life; the smallest structural unit of living organisms capable of performing all basic functions of life.
Cell Membrane
The outer covering of a cell that regulate what enters and leaves it.
Cytoplasm
Clear, jelly-like substance of a cell between the cell membrane and nucleus.
Nucleus
The functional center of a cell that governs activity and heredity.
Tissue
A group of similar cells that perform a specialized function.
Organ
A part of the body containing two or more tissues that functions together for a specific purpose.
System
A group of organs that work together to carry a specific activity
Tendon
A card of fibrous tissue that attaches a muscle to a bone.
Ligament
A band of connective tissue that connects a bone to another bone.
Cartilage
A type of flexible connective tissue
Ossification
The process by which cartilage is replaced by bone.
Joint
Any place where two bones meet.
Fascia
Band or sheet of fibrous connective tissues.
Central Nervous System (CNS)
The part of the nervous system that includes the brain and spinal cord.
Peripheral Nervous system (PNS)
All nerve tissue outside the central nervous system.
Brain
The main control unit of the central nervous system.
Cerebellum
The second largest part of the brain. It controls muscle coordination, body balance and posture .
Brain Stem
This controls many automatic body functions, such as heartbeat and breathing.
Hormones
Chemical messengers that travel through the blood and act on target organs.
Metabolism
The total chemical changes by which the nutritional and functional activities of an organism are maintained.
Insulin
A hormone that reduces the level of sugar in the blood.
Glucagon
A hormone that can increase the blood sugar level.
Sperm
The male sex cell.
Ovum
The female sex cell.
Chromosomes
Rod-shaped structures responsible for inherited characteristics passed on from parent to child.
Testes
Male reproductive gland that forms and secretes sperm and several fluid element in semen.
Scrotum
Sac in which testes are suspended.