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SHAZIA REHMAN
INTRO TO ANATOMY
CONTENTS
▪ Definition
▪ Division of anatomy
▪ Anatomical position
▪ Planes & sections
▪ Body cavities
▪ Abdominal Quadrants
▪ Abdominal Regions
Anatomy, a field in the biological
sciences concerned with the
identification and description of the
body structures of living things.
The term anatomy is derived from
Greek word(Anatomia) means
cutting up or cut open.
Divisions of Anatomy
Gross Anatomy
▪ Structures that can be seen with the eye
▪ Muscles, bones, various organs
Gross anatomy can be further subdivided into
three different fields:
▪ Surface anatomy (or superficial anatomy) is
the study of external anatomical features
without dissection.
▪ Regional anatomy focuses on specific external
and internal regions of the body (such as the
head or chest) and how different systems work
together in that region.
▪ Systemic anatomy focuses on the anatomy of
different organ systems, such as the respiratory
or nervous system.
Microscopic Anatomy
▪ Structures that cannot be seen with the eye
▪ Need to use a microscope.
i. Cytology study of cells
ii. Histology study of tissues
ANATOMICAL POSITION
➢ Standing up right
➢ Looking straight
➢ Upper limbs hanging by the
side of body
➢ Palms facing forwards
➢ Lower limbs are parallel with
toes pointing forwards
Directional Terms
▪ Directional terms describe the positions of structures
relative to other structures or locations in the body.
▪ Superior or cranial - toward the head end of the
body; upper (example, the hand is part of the
superior extremity).
▪ Inferior or caudal - away from the head; lower
(example, the foot is part of the inferior extremity).
▪ Anterior or ventral - front (example, the kneecap is
located on the anterior side of the leg).
▪ Posterior or dorsal - back (example, the shoulder
blades are located on the posterior side of the body).
▪ Medial - toward the midline of the body
(example, the middle toe is located at the
medial side of the foot).
▪ Lateral- away from the midline of the body
(example, the little toe is located at the lateral
side of the foot).
▪ Proximal- toward or nearest the trunk or the
point of origin of a part.
▪ Distal- away from or farthest from the trunk
or the point or origin of a part (example, the
hand is located at the distal end of the
forearm).
PLANES AND SECTIONS
An anatomical plane is a hypothetical plane used to
transect the body, in order to describe the location
of structures or the direction of movements. In
human and animal anatomy, three principal planes
are used
▪ Sagittal plane
A vertical line which divides the body
into a left section and a right section.
▪ Coronal plane
A vertical line which divides the
body into a front (anterior) section and back
(posterior) section.
▪ Transverse plane
A horizontal line which
divides the body into an upper (superior)
section and a lower (inferior) section.
BODY CAVITIES
▪ Body cavities are the spaces with in the body
that help protect, support and separate
internal organs.
▪ Ventral Body Cavity
▪ Dorsal Body cavity
Abdominal Quadrants
▪ Anatomists divide the abdominopelvic
cavity into smaller regions to facilitate the study
of body planes. This anatomical abdominal region
division is used to recognize the location of the
abdomen organs and to diagnose abdominal pain.
The commonly abdominopelvic region is divided
into four quadrants and nine regions.
Body Quadrants
▪ Right Upper Quadrant (RUQ)
▪ Left Upper Quadrant (LUQ)
▪ Right Lower Quadrant (RLQ)
▪ Left Lower Quadrant (LLQ)
Abdominal Regions
▪ The nine divisions are part
of parasagittal and two transverse planes of
body-centered around the navel.These
divisions are important anatomically to
determine the location of the organ within
the abdomen and pelvic area.
Introduction to anatomy

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Introduction to anatomy

  • 2. CONTENTS ▪ Definition ▪ Division of anatomy ▪ Anatomical position ▪ Planes & sections ▪ Body cavities ▪ Abdominal Quadrants ▪ Abdominal Regions
  • 3. Anatomy, a field in the biological sciences concerned with the identification and description of the body structures of living things. The term anatomy is derived from Greek word(Anatomia) means cutting up or cut open.
  • 4. Divisions of Anatomy Gross Anatomy ▪ Structures that can be seen with the eye ▪ Muscles, bones, various organs
  • 5. Gross anatomy can be further subdivided into three different fields: ▪ Surface anatomy (or superficial anatomy) is the study of external anatomical features without dissection. ▪ Regional anatomy focuses on specific external and internal regions of the body (such as the head or chest) and how different systems work together in that region. ▪ Systemic anatomy focuses on the anatomy of different organ systems, such as the respiratory or nervous system.
  • 6. Microscopic Anatomy ▪ Structures that cannot be seen with the eye ▪ Need to use a microscope. i. Cytology study of cells ii. Histology study of tissues
  • 7. ANATOMICAL POSITION ➢ Standing up right ➢ Looking straight ➢ Upper limbs hanging by the side of body ➢ Palms facing forwards ➢ Lower limbs are parallel with toes pointing forwards
  • 8. Directional Terms ▪ Directional terms describe the positions of structures relative to other structures or locations in the body. ▪ Superior or cranial - toward the head end of the body; upper (example, the hand is part of the superior extremity). ▪ Inferior or caudal - away from the head; lower (example, the foot is part of the inferior extremity). ▪ Anterior or ventral - front (example, the kneecap is located on the anterior side of the leg). ▪ Posterior or dorsal - back (example, the shoulder blades are located on the posterior side of the body).
  • 9. ▪ Medial - toward the midline of the body (example, the middle toe is located at the medial side of the foot). ▪ Lateral- away from the midline of the body (example, the little toe is located at the lateral side of the foot). ▪ Proximal- toward or nearest the trunk or the point of origin of a part. ▪ Distal- away from or farthest from the trunk or the point or origin of a part (example, the hand is located at the distal end of the forearm).
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  • 11. PLANES AND SECTIONS An anatomical plane is a hypothetical plane used to transect the body, in order to describe the location of structures or the direction of movements. In human and animal anatomy, three principal planes are used ▪ Sagittal plane A vertical line which divides the body into a left section and a right section. ▪ Coronal plane A vertical line which divides the body into a front (anterior) section and back (posterior) section.
  • 12. ▪ Transverse plane A horizontal line which divides the body into an upper (superior) section and a lower (inferior) section.
  • 13. BODY CAVITIES ▪ Body cavities are the spaces with in the body that help protect, support and separate internal organs. ▪ Ventral Body Cavity ▪ Dorsal Body cavity
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  • 16. Abdominal Quadrants ▪ Anatomists divide the abdominopelvic cavity into smaller regions to facilitate the study of body planes. This anatomical abdominal region division is used to recognize the location of the abdomen organs and to diagnose abdominal pain. The commonly abdominopelvic region is divided into four quadrants and nine regions.
  • 17. Body Quadrants ▪ Right Upper Quadrant (RUQ) ▪ Left Upper Quadrant (LUQ) ▪ Right Lower Quadrant (RLQ) ▪ Left Lower Quadrant (LLQ)
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  • 19. Abdominal Regions ▪ The nine divisions are part of parasagittal and two transverse planes of body-centered around the navel.These divisions are important anatomically to determine the location of the organ within the abdomen and pelvic area.