Darkthorn’s Blog

The Novel and Assorted Works of Darkthorn

Entries from August 2009

Integration within the Nervous System

August 24th, 2009 · No Comments · University

Temporal Summation – in order to produce a reaction, the first stimulus provides a hump for the second to leap off and reach threshold. Spatial Summation – when there are two connections though a dendrite and the cell body (first provides hump) Simultaneous Stimulation – two connections though the cell body make it easy to [...]

[Read more →]

Tags:

Muscles

August 21st, 2009 · 1 Comment · University

Muscle Structure and Contractile Properties – Muscle fibre – cellular element, multinucleate, each innervated, sarcomere as a functional division – Sarcolemma – cell membrane – Sarcoplamic reticulum – source of Ca2+ that surrounds each myofibril – Myofibril – bundles of actin and myosin – T-tubules – ramifying tubular system that carried the depolarization of the [...]

[Read more →]

Tags:

Taste and Smell

August 7th, 2009 · No Comments · University

- chemical senses – oldest and most common form of sensory system – pheromones released for chemosensory information/communication – reproductive behavior, identification, aggression – chemoreceptors – generate neural signals on binding with particular chemicals – provide quality control for injestion Taste – tongue, mouth, palate, pharynx, epiglottis – taste and smell are intertwined to detect [...]

[Read more →]

Tags: