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Chapter 2
Body Structures
67
Medical
Undergraduate 3
09/03/2020

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Term
Cell
Definition
Smallest unit of life
Term
Tissue
Definition
Made of a group of similar cells that work together on a specific task
Term
Organ
Definition
Structure made up of two or more tissues, organized to carry out a specific function
Term
Organ system
Definition
Groups of organs with related functions
Term
Homeostatis
Definition
The tendency to resist change in order to maintain a stable, relatively constant internal environment.
Term
Superior
Definition
"higher" or "above"- toward the head (also referred to as cranial - toward the head)
Term
Inferior
Definition
"lower" or "below", away from the head (also referred to as caudal - toward the tail)
Term
The mouth is ____________ to the chin
Definition
SUPERIOR
Term
The nose is _____________ to the forehead.
Definition
INFERIOR
Term
Anterior (Ventral= belly)
Definition
"front"- toward the front of the body
Term
Posterior (Dorsal= back)
Definition
"behind"- toward the back of the body
Term
The teeth are __________ to the throat
Definition
ANTERIOR
Term
The brain is ____________ to the eyes.
Definition
POSTERIOR
Term
Medial
Definition
"middle"- toward the middle or midline of the body
Term
Lateral
Definition
"side"- toward the side of the body, away from the midline
Term
The bridge of the nose is ______ to the eye
Definition
MEDIAL
Term
The nipple is__________ to the breastbone.
Definition
LATERAL
Term
Superficial
Definition
"external"- on the outside
Term
Deep
Definition
"internal"- on the inside
Term
The skin is ___________ to muscle.
Definition
SUPERFICIAL
Term
The lungs are __________ to the ribs.
Definition
DEEP
Term
The skin lies above and on the outside of muscle tissue so it would be considered ______________
Definition
superficial
Term
Proximal
Definition
"closer"- closer to a point of attachment
Term
Distal
Definition
"distant"- farther from a point of attachment
Term
The elbow is ____________ to the wrist.
Definition
PROXIMAL
Term
The knee is____________ to the hip.
Definition
DISTAL
Term
Abduction
Definition
Movement away from the midsagittal (median) plane of the body or one of its parts
Term
Adduction
Definition
Movement toward the midsagittal plane of the body
Term
Parietal
Definition
Pertaining to the outer wall of the body cavity
Term
Visceral
Definition
Pertaining to the viscera, or internal organs, especially the abdominal organs
Term
Supine
Definition
Lying horizontally on the back, face up
Term
Prone
Definition
Lying on the abdomen, face down
Term
Inversion
Definition
Turning inward or inside out
Term
Eversion
Definition
Turning outward
Term
Transverse plane
Definition
divides the body into superior and inferior sections. This provides a cross-sectional view of the body
Term
Sagittal plane
Definition
divides the body into right and left halves
Term
Sagittal plane
Definition
This provides us with a longitudinal view of body structures
Term
mid-sagittal, or median, plane.
Definition
If the plane divides the body along the exact midline, into equal halves right and left, the plane is referred to as a
Term
Coronal plane
Definition
also referred to as a "frontal" plane
Term
Coronal plane
Definition
This divides the body into anterior and posterior sections.
Term
Thoracic Cavity
Definition
chest cavity located above the diaphragm
Term
Thoracic Cavity
Definition
Divided into right and left sections by the Mediastinum
Term
Thoracic Cavity
Definition
lungs are located in the _________ on each side of the mediastinum in the left and right pleural cavitie
Term
Mediastinum
Definition
houses the heart, thymus, trachea, esophagus, and other structures
Term
Abdominal Cavity
Definition
Located below the diaphragm
Term
Abdominal Cavity
Definition
houses the stomach, intestines, liver, spleen, pancreas, and kidneys.
Term
Pelvic Cavity
Definition
Smaller cavity located below the abdominal cavity
Term
Pelvic Cavity
Definition
houses the urinary bladder, part of the large intestine, and reproductive organs.
Term
Four quadrants of abdomen
Definition
Right-upper quadrant (RUQ)
Left-upper quadrant (LUQ)
Right-lower quadrant (RLQ)
Left-Lower quadrant (LLQ)
Term
Nine (9) regions of abdominal cavity
Definition
right hypochondriac,
Epigastric
left hypochondriac
right lumbar
umbilical
left lumbar
right iliac
hypogastric
left iliac regions
Term
Diaphragm
Definition
Muscular wall that divides the thoracic cavity from the abdominopelvic cavity.
Term
Metabolism
Definition
Sum of all physical and chemical changes that take place in a cell or an organism
Term
Knee-chest position
Definition
The patient is assisted into a kneeling position with the buttocks elevated. The head and chest are on the table, and the arms are extended above the head and flexed at the elbow
Term
Cervical spine
Definition
first 7 vertebrae start below skull
Term
Palmar
Definition
pertaining to the palm of hand.
Term
Thoracic Spine
Definition
is made up of 12 vertebrae, located below the top 7 vertebrae.
Term
Lumbar (loin)
Definition
the lowest part of the spine. Usually has 5 vertebrae, some people are born with 6.
Term
Endoscopy
Definition
see internal organs
Term
Cytology
Definition
study of cells
Term
Histology
Definition
study of tissue
Term
MRI
Definition
Magnetic Resonance Imaging, shows an image of the internal organs and tissues
Term
PET
Definition
Positron Emission Tomography, uses a tracer to see how the organs and tissues are working
Term
Mediastinum
Definition
separates the thoracic cavity in half and houses the heart, trachea, esophagus, and the thymus
Term
Caudal
Definition
towards the tail
Term
Prone
Definition
body lies flat with chest down and back up
Term
Fluoroscopy
Definition
radiographic technique that uses a fluorescent screen to produce a visual image from x-rays
Term
-ad
Definition
means toward
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