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===A===
===A===
*'''Acantholysis''' - loss of cohesion between cells of living epidermis, especially stratum spinosum
*'''Acanthosis''' - hyperplasia of stratum spinosum
*'''Adnexa''' - cutaneous appendages - hair, claws, glands
*'''Alopecia''' - abscence of hair in an area where it is normally present
*'''Anagen''' - growth phase of hair cycle
*[[Aldosterone| '''Aldosterone''']] - Adrenocortical hormone that promotes the retention of sodium and excretion of potassium in the duct
*[[Pituitary Gland - Anatomy & Physiology #Posterior Pituitary Gland | '''ADH - Anti diuretic hormone''']] - A hormone secreted by the posterior pituitary that acts to increase the permeability of the collecting ducts to water.
*'''Antidiuresis''' - Suppression of urine secretion by the kidney
*[[Transport Proteins - Physiology#Co-Transporters|'''Antiporter''']] - A transport protein which is a member of the ATPase group. Transports two molecules in opposite directions.
*[[Aquaporins of the Kidney and Water Homeostasis - Anatomy & Physiology|'''Aquaporin''']] - Family of membrane channel proteins which are very important in the movement of water from the nephron
*[[Atrial Natriuretic Peptide|'''Atrial Natriuretic Peptide''']] - This hormone is secreted from the atrial walls when blood volume is too high. It affects the renal handling of sodium and water.
===D===
===D===
===S===
===S===
<dl>
<dl>
*'''Sarcolemma''' - cell membrane of the muscle fiber, containing a plasma membrane and an outer coat of polysaccharide conaining collagen fibrils; fuses with tendon fiber at the end of the muscle fiber
*'''Sarcomere''' the portion of the myofibril that lies between two successive Z discs
*'''Sarcoplasm''' fills spaces between myofibrils, containing potassium, magnesium, and phosphate
*'''Sarcoplasmic Reticulum''' specialy organized reticula to control muscle contraction, site of calcium ion storage
<DT>[[Sodium Homeostasis - Physiology#Salt Hunger|Salt Hunger]]
<DT>[[Sodium Homeostasis - Physiology#Salt Hunger|Salt Hunger]]
<DD>Animals especially herbivores crave salt when they are sodium deficient
<DD>Animals especially herbivores crave salt when they are sodium deficient
<DD>The blood vessels supplying the loop of henle
<DD>The blood vessels supplying the loop of henle
</dl>
</dl>
===Z===
*'''Z disc''' passes in the transverse plane across the myofibril to attach successive myofibrils together, enabling muscle cells to act as a syncitium and giving skeletal muscle its classic striated appearance
<big>[[WikiWords#A|'''Top''']]</big>
<big>[[WikiWords#A|'''Top''']]</big>
==Dermatology Words==
==Dermatology Words==
*'''Comedo''' - plugged and dilated hair follicle
*'''Comedo''' - plugged and dilated hair follicle
*'''Crust''' - accumulation of solid exudate on skin surface, serocellular or haemorrhagic
*'''Crust''' - accumulation of solid exudate on skin surface, serocellular or haemorrhagic