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Could we organize things a
bit better?
• The overall objective of this Human Anatomy course is to gain an integrated understanding of the spatial and functional relationships of body systems and to know correct anatomical terminology for all body systems.
In anatomy we try to see beyond mere superficialities
Our goal in this course is to see the outside and the inside of others
Galen 129-200 BC
“Human organs were so well constructed, and in such perfect relation to their function(s), that both the form and structure of all organs were justified by their destiny”
The body is a fabric, a piece of workmanship in which the parts must be fitted into the system as a whole.
Andreas Vesalius, 1514-1564 AD
Leonardo da Vinci, 1452-1519 AD
“Anatomy” is the study of the body’s structure
“Physiology” is the study of the function of the body’s structures
Physiology focuses especially on cellular processes
In this class we focus on gross anatomy
“Gross anatomy” investigates the large body parts visible to the naked eye.
“Microscopic anatomy” is the study of structures too small to see with normal vision. It includes “cytology”, which is the study of cells, and “histology”, which is the study of tissues.
We will take a “systemic approach” to human anatomy (e.g. digestive system, skeletal system, etc.)
Close range .44 caliber handgun wound.
A “regional approach” to human anatomy studies just one area. This is particularly useful in dealing with local trauma.
Left nipple
Gun shot wound (GSW) to upper right abdomen. Note powder deposits.
Localized trauma caused by a kitchen knife
We are not happy if our cells are not happy.
Specialized cells carry out specific functions for the whole organism.
Tissues are layers or aggregations of similar cells that perform specific functions.
An organ (such as the heart) is two or more tissues (such as nervous, muscular, and connective) integrated to perform a particular function (such as pumping blood).
The body’s tissues and organs are organized into systems (such as the digestive system). All of the systems are interrelated, constituting the total organism
Because of their complex level of organization, humans are capable of metabolism, growth, responsiveness, homeostasis (regulation of internal environment), and reproduction.
The language of human anatomy is very exact and descriptive. Don’t just memorize the words, but learn the meanings of the words.
Manubrium
Gladiolus
Xiphoid
Roman short sword (gladius)
The Greeks called a sword like this a xiphos.
The anatomical position. All terms of direction are made in reference to a persons standing in anterior view.
Anterior view
Lateral view
Coronal (frontal) plane
Coronal plane
Transverse (horizontal or cross-sectional) plane.
Directional terms
Directional terms
Dorsal fin
IN THE ANATOMIC POSITION, WHICH OF THE FOLLOWING IS MOST LATERAL?
A XIPHOID
B THUMBS
C NIPPLES
D ROOF OF SKULL
E EARS
Body regions
Head (caput) consists of the cranial region, that protects and supports the brain, and the facial region, which includes the eyes, nose, and mouth.
Neck (cervical region) supports the head
Trunk (torso). Note mammary region (the breasts contain mammary glands) of chest (thorax)
Chest (thorax). Note sternal region located medial to breasts in this male, and pectoral region.
Chest (thorax). Note armpit (axillary region).
Chest (thorax). Note vertebral region.
Note navel (umbilicus) located in anterior midline of abdominal region
Cullen’s sign
Pelvic region of female
Male and female perineum
Lumbar region
Sacral region
Intramuscular injection
Deltoid region
Intramuscular injection
Brachium
Antebrachium Dorsum of manus
Puncture of vein in antecubital fossa for removal of blood or for the addition of medications
Wrist, located between antebrachium and manus
Anterior view of hand (manus)
WHAT DO YOU CALL THE STRUCTURES FOUND ON THE DORSAL SURFACE OF THE DISTAL PORTION OF THE UPPER EXTREMITIES?
A TEETH
B SOLES
C LIPS
D NAILS
E FINGERPRINTS
Lower extremity
Lower leg (crural region)
Ankle and foot
Inferior surface of the foot is called the plantar surface
Plantar surface of a black bear
A bear is a plantigrade animal (describes walking on plantar surface)
Plantar warts
Toes (digits)
Achondroplastic dwarf(note: you have an article that relates to this condition)
IN PERSONS WHO HAVE ACHONDROPLASIA, WHERE IS THE ILLIZAROV APPARATUS APPLIED ACCORDING TO YOUR ASSIGNED READING?
A ABOVE OR BELOW THE POPLITEAL FOSSA
B CERVICAL REGION
C LUMBAR REGION
D INFERIOR TO THE PLANTAR SURFACE
E JUST INSIDE THE NATAL CLEFT AND GRADUALLY ADJUSTED
The posterior body cavity contains the brain and spinal cord
Contents of thoracic (chest) cavity.
Mediastinum is shown in green, blue, and yellow
Parietal peritoneum (a serous membrane)
Retroperitoneal organs
Serous membranes
Midsagittal section
Peritoneal lavage to detect trauma to abdominal organs
Peritoneal lavage
Figure 01.10
Where does it hurt?
WHAT ORGAN LOCATED IN THE UPPER LEFT ABDOMINAL QUADRANT WILL OFTEN HEMORRHAGE UNCONTROLLABLY FOLLOWING BLUNT ABDOMINAL TRAUMA?
A STOMACH
B OVARY
C APPENDIX
D GALLBLADDER
E SPLEEN
Ascending aorta
Heart
Cardiac computed tomography (CT) of coronary arteries