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Cranial Cavity
Formed by the skull bones
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Spinal Cavity
Formed by the bones of the vertebral column
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Ventral Cavity (Coelom)
Anterior
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Diaphragm muscle
flat muscular sheet, divides the ventral body cavity into a superior thoracic cavity and an inferior abdominopelvic cavity
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thoracic cavity
surrounded by chest wall and diaphragm
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Pleural cavity
Surrounds the lungs
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Mediastinum
Contains the trachea, esophagus, and major vessels. Also contains the pericardial cavity.
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Pericardial cavity
the chamber that surrounds the heart
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Abdominopelvic cavity
enclosed by the abdominal wall and by the bones and muscles of the pelvis
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Abdominal cavity
Contains many digestive glands and organs
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Pelvic cavity
Contains urinary bladder, reproductive organs, last portion of the digestive tract
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Parietal Pleura membrane
covers the mediastinal surface and the inner body wall
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Visceral pleura
covers the outer surfaces of the lungs
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Pleuritis
an inflammation of the pleura the lining of the pleural cavity surrounding the lungs
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Pericarditis
Swelling and irritation of the pericardium, the thin sac-like membrane that surrounds your heart.
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Parietal peritoneal membrane
the inner surface of the body wall
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Visceral peritoneal membrane
covers the organs within the abdomen
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Peritonitis
infection of the peritoneum, a silk-like membrane that lines your inner abdominal wall and covers the organs within your abdomen.
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Coronal (Frontal)
Subdivides the body into anterior and posterior parts
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Transverse (Horizontal) plane
Divides the body into superior and inferior parts
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Midsagittal plane
Divides the body into equal right and left halves
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Parasagittal plane
Divides the body into unequal left and right parts
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Oblique
Divides the body into superior and inferior parts at an angle
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Antecubital
Region anterior to the elbow
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Calcaneal
Heel of the foot
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Digital (Phalangeal)
Fingers or toes
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Groin (Inguinal)
Crease between thigh & Torso
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Mammary (Pectoral)
Breast
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Olecranal (Cubital)
posterior of elbow
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Popliteal
Area posterior to the knee
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Pubic
Anterior region of the pelvis
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Sacral
Posterior region between the hip bones
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Sternal
Anterior middle region of the thorax
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Sural (calf)
Posterior part of leg
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Cell membrane (Plasma membrane)
The outer boundary of the cell. A sheet of lipid molecules (bilayer) with proteins embedded in it. Controls the movement of materials into and out of the cytoplasm.
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Cytosol
Intracellular fluid contains dissolved nutrients, ions, soluble and insoluble proteins & waste products
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Nucleus
Contains most of the cell's genetic material in the DNA that makes up the chromatin fibers of the chromosomes.
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Nuclear Envelope
The double membrane structure that surrounds the nucleus and separate it from the rest of the cytoplasm. Has nuclear pores that allow for communication between the nucleus and the cytoplasm
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Nucleolus
Site in the nucleus where ribosomes are synthesized
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Chromatin
Complex of the DNA & proteins in the nucleus of a eukaryotic cell
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Golgi apparatus
Stacked, membrane bound sacs. involved in processing macromolecules for the secretion & delivery to other components of the cell.
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Smooth ER
lacks ribosomes and is involved in lipid synthesis
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Rough ER
Part of the ER that is studded with ribosomes that are synthesizing proteins
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Ribosomes
Particles composed of RNA & protein that are involved with messenger RNA in the synthesis of proteins
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Mitochondria
Organelles present in eukaryotic cells. Are often referred to as the power house of the cells because they are the site of aerobic respiration that combines oxygen with food molecules to generate ATP.
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Centrosome
An area involved in the development of microtubules that are necessary for cell movements.
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Centriole
A short cylindrical array of nine triplet microtubules.
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Vacuole/Vesicle
Structures in the cytoplasm that may contain enzymes, crystals & dissolved materials.
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Cillium (Cilia)
Relatively long slender extensions of plasma membrane; found on cells lining the reproductive & respiratory tract
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Microvilli
Small projections of the plasma membrane that increase the surface area exposed tp the extracellular environment
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flagella
used to propel a cell through fluid; found on sperm
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Integral Proteins
Part of the membrane structure & cannot be removed without damaging or destroying the membrane
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Peripheral Proteins
Only found on one side, either the inner or outer surface of the membrane and are easily separated from it
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