An Introduction To Anatomy And Physiology Flashcards
Anatomy
Structures of the body (what, where, associated structures)
Physiology
Functions of anatomical structures
Gross Anatomy
Macroscopic anatomy, examines large and visible structures
Surface Anatomy
Exterior features
Regional anatomy
Body areas
Sectional anatomy
Cross sections, imaging (CT, MRI, PET)
Systemic anatomy
Organ systems
Clinical anatomy
Medical specialties
Developmental anatomy
From conception to adulthood, including embryologu
Microscopic anatomy
Examines cells and molecules
Cytology
Study of cells
Histology
Study of tissues
Cell physiology
Function of cells
Organ physiology
Function of specific organs
Systemic physiology
Functions of organ systems
Pathological physiology
Effects of diseases on organs or systems
Chemical level of organization: Atoms
Smallest stable unit of matter
Chemical level of organization: molecules
Groups of atoms
Cellular level of organization: cells
Smallest living units in body
Tissue level
Group of cells working together
Organ level
Two or more tissues working together
Organ system level
Group of interacting organs
Organism level
Individual life form
Integumentary
Skin, hair, sweat glands, nails
Skeletal
Bones, cartilage, ligaments, bone marrow
Nervous
Brain, spinal cord, peripheral nerves, sensory organs
Endocrine
Pituitary gland, thyroid, pancreas, adrenal, gonads
Cardiovascular
Heart, blood, blood vessels
Surface anatomy
Locating structures on or near the body surface
Anatomical position
Hands at sides, palms forward
Supine
Lying down, facing up
Prone
Lying down, face down
Anterior
Front
Posterior
Back
Cranial
Skull
Facial
Face
Oral
Mouth
Axillary
Armpit
Brachial
Arm
Antecubital
Front of elbow
Abdominopelvic quadrants
Abdomen to pelvic
RUQ
Right Upper Quadrant
RLQ
Right lower quadrant
Left upper quadrant
LUQ
Left lower quadrant
LLQ
Proximal
Towards point of attachment of limb to trunk
Ex of proximal description
The shoulder is proximal to wrist
Distal
Away from the point if attachment to the trunk
Distal example
Fingers are distal to the wrist
Lateral
Away from the midline
Lateral example
The hand is lateral from the belly button
Medial
Towards the midline
Ventral
Anterior
Dorsal
Posterior
Cranial (cephalic)
Towards the head
Superficial
On surface
Deep
Towards interior
Sectional plane
Single view along a 2D flat surface
Frontal (coronal) plane
Vertical plan that divides body into anterior and posterior (parallel to long axis)
Sectional plane examples
Frontal plane, sagittal plane, transverse
Frontal (coronal) plane example
Hit corona beer over head
Sagittal plane
Separates left and right (slice sword vertically)
Transverse plane mnemonic
Sliced in half at hip
Transverse plane
Divides body into superior and inferior (perpendicular to long axis)
Transverse section
Cut in transverse plane
Superior
Towards head
Inferior
Away from head
Body cavities functions
- Protect organ from shock and impact
2. Permit significant change in size and shape of internal organs
Ventral body cavity
Coelem
Diaphragm
Divides ventral body cavity
Ventral body cavity consists of
Thoracic cavity, abdominopelvic cavity
Viscera
Internal organs in body cavities
Serous membrane (serisa)
Lines body cavities and covers organs
Serous membrane contains
Two layers
Parietal serosa
Layer that lines cavity
Visceral serosa
Covers organ
Peritoneal cavity
Chamber within abdominopelvic cavity
Parietal peritoneum
Lines internal body wall in perioneal cavity
Abdominopelvic cavity
Perioneal cavity, abdominal cavity, pelvic cavity
Visceral peritoneum
Covers the organs in peritoneal cavity
Pelvic cavity location
Inferior portion of abdominopelvic cavity, medial to pelvic bones
Pelvic cavity contains
Reproductive organs, rectum, bladder
Homeostasis
Regulation of body for stable internal environment
Autoregulation
Automatic response in cell, tissue, or organ to an environmental change
Autoregulation ex
Heart running
Extrinsic regulation
Responses controlled by nervous and endocrine systems
Extrinsic regulation ex
Brain provides input
Homeostasis: receptor
Receives the stimuls
Receptor ex
Hypothalamus
Homeostasis: control center
Processes signal and sends instructions
Homeostasis: Effector
Carries out instructions
Effector ex
Sweat glands
Negative feedback
Body brought back to homeostasis, effector negates stimulus to maintain normal range
Positive feedback
Initial stimulus produces response that amplifies original change, moved away from homeostasis
Positive feedback loop
Completes a dangerous process quickly to reestablish homeostasis
Dynamic equilibrium
Homeostasis, continual adaption