4104FSBMOL - Lecture 1a - Anatomy & Physiology 1. Flashcards
What are the 3 Cardinal Planes?
- Sagittal Plane.
- Coronal Plane.
- Transverese/ Axial Plane.
Describe the Sagittal Plane.
Splits the Body into Left and Right Sections.
Describe the Coronal Plane.
Splits the body into Front and Back Sections.
Describe the Transverse/ Axial Plane.
Splits the body into Top and Bottom Sections.
Which direction is Superior?
Towards the Head (Top).
Which direction is Inferior?
Towards the Feet (Bottom).
Which direction is Anterior?
Towards the Tummy (Front).
Which direction is Posterior?
Towards the Back.
How does the Superior and Inferior direction (Up and Down) change in animals?
Up is Dorsal, Down is Ventral.
What is the Proximal direction in the Arms?
Upper.
What is the Distal direction in the Arms?
Lower.
What is the Proximal direction in the Legs?
Upper.
What is the Distal direction in the Legs?
Lower.
What is the Dorsal direction in the Feet?
Upper.
What is the Plantar direction in the Feet?
Lower.
What is the Palmar direction in the Hands?
Forward (palms face forward).
What is the Dorsal direction in the Hands?
Backward (palm facing forward).
What does Abduction mean?
Moving a Limb away from the body.
What does Adduction mean?
Moving a Limb towards the body.
How many Genes do Humans have?
About 20,000.
What do Genes do?
They code for a protein by transcribing (writing) RNA molecules.
What does a Protein do?
They can:
* Activate enzymes.
* Direct Vesicles to fuse with the Plasma Membrane.
* Direct Actin molecules to assemble filament.
* Turn Genes On and Off.
What is a Genotype?
All factors responsible for the genetic constitution of an individual.
What is a Phenotype?
An individuals characteristics resulting from the interaction of the genotype and the environment.