Anatomy and Physiology Overview Flashcards
Abdominal Cavity
The portion of the abdominopelvic cavity that encompasses the area between the diaphragm and bony pelvis
Abdominopelvic Cavity
A ventral body cavity located inferior to the diaphragm and encompasses the area of the abdomen and bony pelvis
The Cell
Smallest unit that can carry out the functions of life
Metabolism
The sum of the body’s chemical reactions
Anabolic Reactions (Anabolism)
Smaller chemicals are combined to form larger ones
Catabolic Reactions (Catabolism)
Larger chemicals are broken down into smaller ones
Growth
The increase in size of an individual cell or in the number of cells; occurs when anabolic reactions outweigh catabolic reactions
Excretion
The process by which waste products are removed from the body
Responsiveness(Irritability)
The property of living organisms by which they sense and react to changes in their environment
Reproduction
The production of new cells within an organism or production of an offspring
Chemical
A substance with a unique molecular composition that is used in or produced y chemical processes
Levels of Structural Organization and Body Systems
1.Chemical level
2. Cellular level
3.Tissue
4.Organ
5. Organ System
6.Organism
Tissue
A group of structurally and functionally related cells and their extracellular matrix
Organ
Two or tissues combined to produce a structure that has a recognizable shape and that performs a specialized task
Organ System
two or more organs that work together to carry out a broad function in the body
Systemic Anatomy
The study of the human body taken from the perspective of individual organ systems
Regional Anatomy
The study of the human body taken from the perspective of specific body regions
Surface Anatomy
The study of the surface markings of the human body
Gross Anatomy
The study of structures of the human body that can be seen with the unaided eye
Microscopic Anatomy
The study of structures of the human boy that require the use of a microscope for observation
Histology
The study of tissues
Cytology
The study of cells
Anatomical Position
The standard position in which an anatomical specimen is presented, in which a subject is facing forward, arms at the side with palms facing outward, and the feet are shoulder width apart
Directional Terms
Terms used to describe relative locations of body parts and markings
Ex. Anterior/Posterior/Superior/Inferior/Lateral/Medial/Proximal/Distal/Superficial/Deep
Regional Terms
Terms used to describe the relative regions of the human body
Axial Region
The portion of the body consisting of the head, neck, and trunk
Appendicular Region
The portion o the body consisting of the upper nd lower limbs
Abdominal
The abdomen
Cervical
The neck
Gluteal
The buttocks
Inguinal
The groin
Lumbar
The lower back
Palmar
The palm
Pelvic
Pelvis
Pubic
Pubis
Saacral
The sacrum
Sternal
The sternum
Thoracic
The chest
Vertebral
The spinal column
Buccal
The cheek
Cranial
The skull
Cephalic
The head
Frontal
The forehead
Mental
The chin
Nasal
The nose
Occipital
The back of the head
Ocular
The eye
Oral
The mouth
Otic
The ear
Acromial
The point of the shoulder
Antebrachial
The forearm
Antecubital
The anterior surface of the elbow
Axillary
The armpit
Brachial
The arm
Carpal
The wrist
Digital
The finger or toes
Manual
The hand
Metacarpal
The metacarpals (bone of the hand)
Pollex
Thumb
Coxal
The hip
Crural
The anterior surface of the leg
Femoral
The thigh
Hallux
The great toe (Big toe)
Metatarsal
The metatarsals (bones of the foot)
Patellar
The anterior surface of the knee
Pedal
The foot
Plantar
The sole of the foot
Popliteal
The posterior surface of the knee
Sural
The posterior surface of the leg
Tarsal
The ankle
Planes of Section
Standard ways of dividing a body or body part to examine its internal structure
Sagittal Plane
A plane of section that divides the body or body part into right and left portions
Midsagittal Plane (Median Plane)
A plane of section that divides the body or body part into equal right and left portions
Parasagittal Plane
A plane of section that divides the body or body pat into unequal right and left portions
Frontal Plane (Coronal Plane)
A plan of section that divides the body or body parts into anterior and posterior portions
Transverse Plane (Horizontal Plane/Cross Section)
A plane of section that divides the body or body part into superior and inferior portions or proximal and distal portions
Anterior (Ventral)
Towards the front
Posterior (Dorsal)
Towards the back
Superior (Cranial)
Towards the head
Inferior (Caudal)
Towards the tail
Proximal
Closer to the point of origin, usually the trunk
Distal
Farther away from the point of origin, usually the trunk
Medial
Closer to the midline of the body or body part
Lateral
Farther away from the midline of the body or body part
Superficial
Closer to the surface
Deep
Farther below the surface
Posterior Body Cavity
The major body cavity located mostly on the posterior side of the body
Anterior Body cavity
The major body cavity located mostly on the anterior side of the body
Cranial Cavity
A dorsal body cavity located within the skull that houses the brain
Vertebral (Spinal) Cavity
A posterior body cavity located within the vertebral column that houses the spinal cord
Diaphragm
A dome-shaped muscle located between the thoracic and abdominal cavities, and the main muscle for breathing
Thoracic Cavity
A ventral body cavity located within the area superior to the diaphragm that encompasses the area of the thorax
Pleural Cavity
A potential space between the parietal and visceral membranes surrounding the lungs, contains a thin layer of serous fluid
Mediastinum
The portion of the thoracic cavity located between the lungs
Pericardial Cavity
A narrow potential space located between the parietal and visceral pericardial membranes surrounding the heart, contains a thin layer of serous fluid
Pelvic Cavity
The portion of the abdominopelvic cavity located within the bony pelvis
Peritoneal Cavity
A narrow space between the parietal and visceral peritoneum membranes that is filled with serous fluid
RUQ
Right upper quadrant
RLQ
Right lower quadrant
LUQ
Left upper quadrant
LLQ
Left lower quadrant
Right/ Left Hypochondriac Regions
Lie below the cartilage of the ribs
Epigastric Region
The region between the right and left hypochondriac regions and superior to the stomach
Right/ Left Lumbar Regions
Located approximately in the same region as the lumbar vertebrae
Umbilical Region
Region between the right and left lumbar regions, contains the umbilicus
Right/ Left Iliac Regions
Located in the inguinal areas
Hypogastric Region
Located between the right and left iliac regions, inferior to the stomach
Serous Fluid
A thin, watery secretion from a serous membrane that lubricates an organ in a cavity within the serous membrane
Serous membrane
Thin sheets of tissue that envelope certain organs and produce serous fluid
Visceral layer of Serous Membrane
The inner layer that actually comes into contact with the organ
Parietal Layer of Serous Membrane
The outer layer that attaches to surrounding structures
Pleural Membranes
Surround the lungs, consists of parietal, and visceral pleura
Pericardial Membranes
Surround the heart, consists of parietal and visceral pericardium
Peritoneal Membranes
Surrounds some abdominal organs, consists of parietal and visceral peritoneum
Intraperitoneal
Inside the peritoneal cavity