Inside/closer to the center of an organ
Internal
Outside/further from the center of an organ
External
The contracting muscle
Agonist
opposed to, against
Anti-
The scientific study of the structure of an organism, including their systems, organs and tissues
Anatomy
slanted, neither parallel or perpendicular
Oblique
straight
rectus
The lengthening/relaxing muscle
Antagonist
abnormal, difficult or painful
Dys-
The study of how a living organism or bodily part functions
Physiology
In front of vs. behind
Anterior (ventral) vs. Posterior (dorsal)
Apex
muscles that oppose each other in function
Ab- vs. Ad-
The main part of the body that includes the chest, abdomen, pelvis and back
Towards the midline vs. away from midline
Medial vs. Lateral
higher than a structure vs. lower
Superior vs. Inferior
A muscle type found in phonation, respiration and articulation
Skeletal
across
Trans-
Able to move freely vs. unable to move/motionless
Mobile vs. Immobile
Closer to the origin of a body part vs. further away
Proximal vs. Distal
Closer to the surface vs. further into the body
Superficial vs. Deep
Three types of muscles
Cardiac, smooth and skeletal
lack of, without vs. equality or uniformity
A- or An- vs. Iso-
List all three anatomical planes
Sagittal, Coronal (frontal), Transverse (horizontal)