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A&P Final Review
First Semester A&P
44
Anatomy
Undergraduate 1
12/15/2009

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Term
Merocrine glands
Definition
secretions are packed in vesicles and come out the apical surface (ex: salivary glands)
Term
Apocrine glands
Definition
the secretion involves losing the whole apical portion of the gland (ex: mammary glands)
Term
Holocrine glands
Definition
difference between apocrine and holocrine is that with a holocrine gland, the entire cell is lost as the secretion (ex: sebaceous glands)
Term
Free Nerve Endings
Definition
generalized (picks up a lot of sensations)
Term
Pacinian's Corpuscles
Definition
deep pressure
Term
Merkel's Discs
Definition
light touch and pressure
Term
Meissner's Corpuscles
Definition
detects vibration
Term
Hair Follicle Receptors
Definition
sensitive to distortion of individual hairs
Term
Ruffini's Receptors
Definition
continuous pressure
Term
Threshold potential for a NEURON?
Definition
-60 mV
Term
Depolarization
Definition
caused by increase in of Na+ in cell
Term
Repolarization
Definition
caused by potassium channels opening and potassium leaves cells (follow depolarization.)
Term
Hyperpolarization
Definition
caused by excess potassium leaving cell
Term
Steps of action potential
Definition
1.depolarization: Na+ channels open and Na+ comes into cell
2.repolarization: K+ channels open and Na+ channels close
3.hyperpolarization: excess K+ leaves cell
4.resting: all channels close and gradients are re-established.
Term
Parasympathetic postganglionic neurons have a ________ receptor
Definition
NICOTINIC
Term
1.Parasympathetic postganglionic neurons release __________ as their neurotransmitter.
Definition
acetylcholine
Term
1.The class of receptor on the target tissue in the parasympathetic division is a ______ receptor.
Definition
MUSCARINIC
Term
The effects of parasympathetic activation are as follows:
Definition
1.Constriction of pupils
2.Increased smooth muscle contractions
3.Increased activity in the urinary system
4.Decreased metabolic rate
5.Increase in digestive glands
6.Constriction of airways
7.Decreases heart rate and blood pressure
8.Increase in blood flow to reproductive organs
9.Increased nutrient absorption
10.Changes mental state (makes you feel more mellowed out)
Term
On the sympathetic postganglionic neurons there is a ________ receptor.
Definition
nicotinic
Term
he sympathetic postganglionic neurons use __________ as its neurotransmitter.
Definition
norepinephrine
Term
The class of receptor on the target tissue in the sympathetic division is a ________ receptor.
Definition
muscarinic
Term
The effects of sympathetic activation are as follows:
Definition
1.Dilation of pupils
2.Increased heart rate and BP
3.Dilation of respiratory passages
4.Increased rate of respiration
5.Increased sweating
6.Decreased rate of digestion
7.Decreased urinary activities
8.Decrease in blood flow to reproductive organs
9.Increased metabolic rate
10.Increased mental alertness
Term
H-band
Definition
contains only thick filaments
Term
Zone of overlap
Definition
area where thick and think filaments overlap
Term
A-band
Definition
entire length of thick filaments
Term
I-band
Definition
area containing only thin filaments
Term
M-line
Definition
attachment site for thick filaments
Term
Z-line
Definition
point of attachment for thin filaments
Term
Visual Association Area
Definition
takes letters and turns them into words (etc..)
Term
Auditory Association Area
Definition
takes sounds and turns it into something meaningful (ex: words, music, etc..)
Term
Olfactory Association Area
Definition
recognizes smells
Term
Somatic Sensory Association Area
Definition
-related to primary sensory cortex
-distinguishes touch sensations
Term
Somatic Motor Association area
Definition
(AKA premotor cortex)
-controls and regulates primary motor cortex
Term
Habenular Nucleus
Definition
emotional and visceral response to odors
Term
Subthalamic Nuclei
Definition
impulse control
Term
Isotonic contraction
Definition
constant tension
Term
Isometric contraction
Definition
constant length
Term
Concentration Gradients:
1.sodium (Na+): ? inside cell-? outside
2.potassium (K+): ? inside cell-? outside
3.chloride (Cl-): ? inside cell-? outside
Definition
1.sodium (Na+): low inside cell-high outside
2.potassium (K+): high inside cell-low outside
3.chloride (Cl-): low inside cell-high outside
Term
Sodium Gradient:
chemical gradient: ?
electrical gradient: ?
electrochemical gradient: ?
Definition
chemical gradient: in
electrical gradient: in
electrochemical gradient: in
Term
Potassium gradient:
chemical gradient: ?
electrical gradient: ?
electrochemical gradient: ?
Definition
chemical gradient: out
electrical gradient: in
electrochemical gradient: out
Term
Equilibrium potential in sodium is?
Definition
-60 mV
Term
Equilibrium potential in potassium?
Definition
-90 mV
Term
Afferent Division?
Definition
Sensory Division: brings in sensory info on stimuli (dorsal)
Term
Efferent Division?
Definition
Motor Division. Sends info out to effector. (Ventral)
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