Plant pathogens are divided into three groups

Biotrophs derive energy from living cells, they are found on or in living plants, can have very complex nutrient requirements and do not kill host plants rapidly;

Necrotrophs derive energy from killed cells; they invade and kill plant tissue rapidly and then live saprotrophically on the dead remains;

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#Unit 7. System Physiology – Animal

Cushing syndrome Chronic excess of glucocorticoids (hypersecretion of ACTH from a pituitary adenoma)

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#Unit 7. System Physiology – Animal

Conn syndrome (primary hyperaldosteronism) caused by an aldosterone-secreting tumor.

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#Unit 7. System Physiology – Animal

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#Unit 7. System Physiology – Animal

There are neural connections between the hypothalamus & posterior pituitary & vascular connections between the hypothalamus & anterior pituitary

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#Unit 7. System Physiology – Animal

The posterior lobe hormones are nanopeptides with a disulfide ring at one end

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#Unit 7. System Physiology – Animal

The hormones secreted by the posterior pituitary gland (neurohypophysis) are arginine vasopressin (AVP) and oxytocin