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A&P Ch. 1 Terms

Positional, Regional, Planes, and Cavities

QuestionAnswer
Superior (Cranial) Towards head, upper, above
Inferior (Caudal) Away from head, below
Ventral (Anterior) Towards front of body
Dorsal (Posterior) Towards back of body
Medial Towards middle of the body, inner side
Lateral Away from the midline, outer side
Intermediate Between a more lateral and a more medial structure
Proximal Closer to the origin or point of attachment of a limb to the trunk
Distal Farther from the origin or point of attachment of a limb to the trunk
Superficial (External) Towards/at the surface of the body
Deep (Internal) Away from body surface
Axial Head, neck & trunk
Appendicular appendages/limbs
Sagittal Plane Divided into right and left parts
Median/Midsagittal Plane Divided into right and left parts at midline
Parasagittal Plane Divided into right and left parts not at midline
Frontal/Coronal Plane Vertical division into anterior and posterior
Transverse/Horizontal Plane / Cross Section Divides into superior and inferior parts
Oblique Section Cut diagonally between the horizontal and vertical planes
Nasal Nose
Oral Mouth
Cervical Neck
Acromial Point of shoulder
Axillary Armpit
Abdominal Abdomen
Brachial Arm
Antecubital Front of elbow
Antebrachial Forearm
Pelvic Pelvis
Carpal Wrist
Pollex Thumb
Palmar Palm
Digital Fingers/Toes
Pubic Genital region
Patellar Anterior knee
Crural Leg
Pedal Foot
Tarsal Ankle
Frontal Forehead
Orbital Eye
Buccal Cheek
Mental Chin
Sternal Breastbone
Thoracic Chest
Mammary Breast
Umbilical Navel
Coxal Hip
Inguinal Groin
Femoral Thigh
Fibular/Peroneal Side of leg
Hallux Great toe
Cephalic Head
Otic Ear
Occipital Back of head or base of skull
Vertebral Spinal column
Scapular Shoulder blade
Dorsum/Dorsal Back
Olecranal Back of elbow
Lumbar Loin
Sacral Between hips
Manus Hand
Gluteal Buttock
Perineal Region between anus and external genitalia
Femoral Thigh
Popliteal Back of knee
Sural Calf
Calcaneal Heel
Plantar Sole
Dorsal body cavity nervous system organs Cranial cavity & vertebral (spinal) cavity (not separate, continuous)
Cranial cavity Encases brain
Vertebral (spinal) cavity Encloses spinal cord
Ventral body cavity Anterior cavity housing viscera Thoracic cavity and abdominopelvic cavity
Thoracic cavity Surrounded by ribs and chest muscles Pleural, mediastinum, pericardial cavities
Viscera, viscus Organ in a body cavity
Pleural Cavities Lateral, each envelopes a lung
Mediastinum Cavity contains pericardial cavity and remaining thoricic organs (including esophagus, trachea, and others)
Pericardial cavity encloses heart
Abdominopelvic cavity two cavities, not separated Abdominal and pelvic cavities separated from superior thoracic by diaphram
Abdominal cavity contains stomach, intestines, spleen, liver, and other organs
Pelvic cavity within bony pelvis, contains bladder, some reproductive organs, and rectum
Serosa / Serous Membrane Thin, double layered membrane, covers walls of ventral body cavity and the outer surfaces of the organs within
Parietal serosa Part of the membrane lining the cavity walls
Visceral serosa Part of the membrane covering the organs
Serous fluid Between the two layers of the serosa, allows organs to move and slide without friction
Nine Abdominopelvic regions Right hypochondriac, Epigastric, Left Hypochondriac, Right lumbar region, Umbilical, Left lumbar, Right iliac (inguinal), hypogastric (pubic), Left iliac (inguinal)
Umbilical region surrounds umbilicus (naval)
Epigastric region superior to umbilical region
Hypogastric region pubic, inferior to umbilical region
Right & left iliac regions inguinal, lateral to hypogastric
Right & left lumbar regions Lateral to umbilical region
Right & left hypochondriac regions lateral to epigastric region
Oral Cavity mouth, contains teeth and tongue part of and continuous with cavity of digestive organs
Nasal Cavity within and posterior to the nose, part of respiratory system
Orbital Cavities house eyes and present them in anterior fashion
Middle ear cavities carved into skull, medial to the eardrums. Contain tiny bones
Synovial cavities joint cavities, enclosed within fibrous capsules that surround freely movable joints
Created by: Absidey