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Intermediate
Between two structures
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Sagittal Section, two types
- Front to back plane
- Midsagittal, Parasagittal
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Frontal section
Divides anterior from posterior
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Transverse plane
Divides superior from inferior
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Body cavities (7 major)
- Dorsal
- Ventral
- Cranial
- Spinal
- Pelvic
- Abdominal
- Thoracic
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Nine abdominal regions
- Right Hypochondriac
- Epigastric
- Left hypochondriac
- Right lumbar
- Umbilical
- Left lumbar
- Right Iliac
- Hypogastric
- Left iliac
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Buccal region
pertaining to the cheek
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Carpal
pertaining to the wrist
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Fibular
- also peroneal
- Side of the leg
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Thoracic region
pertaining to the chest
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Olecranal
posterior elbow
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sural
calf, posterior leg
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crural
shin or front of leg
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Chromatin
Genetic material loosely dispersed throughout the nucleus
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Nucleolus
- round bodies inside the nucleus, primarily proteins and ribosomes.
- Assembly site for ribosomal particles
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Nuclear envelope
double layered porous membrane, has nuclear pores, unlike cell membrane. Pores allow passage of RNA molecules and proteins.
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Cytosol
liquid cytoplasmic material
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Ribosome
Spherical bodies composed of RNA and protein. Sites of protein synthesis. Can float free or be attached to a membranous structure.
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Endoplasmic reticulum
- Folded system of membrane tubules and cisternae (sacs).
- Rough is studded with ribosomes. Stores proteins and dispatches them to other areas. Also phospholipid and cholesterol synthesis.
- Smooth-steroid hormone production, detox.
- Liver, testes.
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Golgi apparatus
Modifies, moves and ships proteins.
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Lysosome
Full of digestive enzymes. Digests worn out cell parts and foreign substances.
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Peroxisomes
Contains enzymes. Oxidaze detoxifies harmful substances. Very abundant in kidney and liver cells.
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Mitochondria
Rod-shaped with folded inner membranes (cristae). End products of food digestion are broken down to produce ATP.
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Cytoskeleton
Supportive structures made of proteins. Microtubules direct formation of spindles, act in transport, suspend organelles, maintain shape.
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Intermediate filaments
stable skeletal elements that act as guy wires to resist mechanical pulling.
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Microfilaments
Ribbon or cordlike, contractile proteins (actin).
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Centrioles
During cell division, directs the formation of the mitotic spindle. Also forms cilia and flagella.
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Mitotic Stages
- Interphase
- Early prophase
- Late Porphase
- Anaphase
- Telophase
- Cytokinesis
Intensively Eating Large Apples Takes Courage.
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