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Final
Anatomy
Question | Answer |
---|---|
What is the function of the semicircular canals? | Equilibrium:rotational (angular) acceleration of the head |
What is the function of the vestibule? | equilibrium: static equilibrium and linear acceleration of the head |
What is the function of the cochlea? | hearing |
Which structure connects the hypothalamus to the pituitary gland? | the infundibulum |
What are the hormones produced by the anterior pituitary gland and what are the functions? | Thyroid Stimulating Hormone: stimulates the thyroid gland Adrenocorticotropic Hormone: stimulates the cortex of the adrenal |
What are the hormones produced by the anterior pituitary gland and what are the functions? 2 | Growth Hormone: Stimulates growth of muscle, bones and cartilage. Prolactin: Stimulates milk production from the mammary glands Follicle Stimulating Hormone: Females: stimulates initial egg development in the ovaries |
What are the hormones produced by the anterior pituitary gland and what are the functions? 3 | Follicle Stimulating Hormone: Females: stimulates initial egg development in the ovaries Males; Stimulates sperm production in the ovaries |
What are the hormones produced by the anterior pituitary gland and what are the functions? 4 | Luteinizing Hormone: Females: Stimulates final egg development and induces ovulation of the egg Males: Stimulates testosteroneproduction in the testis |
What are the hormones produced by the posterior pituitary gland and what are the functions? | Oxytocin: Stimulates the uterus muscles to contract and stimulates the release of milk from the mammary glands Antidiuretic Hormone: stimulates the kidneys to reabsorbs H2O. |
Where is the location of the thyroid gland? | In the neck |
What are the hormones produced by the thyroid gland and what are the functions? | Throxine and triiodothyronine= increase basal metabolic rate Calcitonin= decreases blood calcium levels |
Where is the arenal gland located? | Above the kidney |
What is the hormones produced by the adrenal gland medulla and the functions? | Adrenaline and noradrenaline 1. increases heart rates and blood pressure 2. Increases metabolic rates 3.causes bronchioles to dilate 4. decreases digestive system activity 5. decreases urine output from the kidney |
What are the hormones produced by the adrenal gland cortex and the functions? | Aldosterone=increases sodium and water reabsorption in the kidneys which in turn regulates blood volume and blood pressure. Cortisone=stress response and also regulates body metabolism Dehydropiandosterone=early development of male sex organs |
What are the hormones produced by the pancreas and what are the functions? | Insulin= decreases blood glucose levels Glucagon= increases blood glucose levels |
Where is the pancreas located? | Located on the right side of the abdomen. |
Which type of cancer is the most common lethal one in the U.S.A? | Lung cancer |
Know the names of the types of standard cancer therapy. | Surgery, radiation therapy, chemotherapy and bone marrow transplant |
Define carcinomas | cancers of the epithelial tissue |
Define adenocarcinomas | cancers of glandular epithelial cells |
Define sarcomas | cancers of muscle and connective tissues |
Define leukemias | cancers of the blood |
define lymphomas | cancers of lymphatic tissues |
Which type of two genes DIRECTLY cause cancer? | tumor supressor gene and proto-concogenes |
Define oncology | the study of cancer |
Define tumor | an abnormal mass cells/tissue |
Define malignant | cancerous tumor |
Define benign | non-cancerous tumor |
Define angiogenesis | the formation of new blood vessels to supply nutrients and oxygen to the tumor. |
Define metastasis | occurs when cells move into the bloodstream or lymphatic vessels and form new tumors at distant sites from the primary tumor |
What is the standard information of autosomal dominant traits? | Affected children will usually have an affected parent. Heterozygotes (Aa) are affected. Two affected parents can produce an unaffected child. Two unaffected parents will not have affected children. M&F are affected equally |
What is the name of the specific disorders with autosomal dominant? | Marfan syndrome,Huntington's disease, Osteogenesis imperfecta |
What is the standard information with autosomal recessive? | Affected children can have unaffected parents. Heterozygotes (Aa) have an unaffected phenotype. Two affected parents will always have affected children. |
What is the standard information with autosomal recessive? 2 | Affected individuals with homozygous unaffected mates will have unaffected children. Close relatives who reproduce are more likely to have affected children. Both males and females are affected with equal frequency. |
What is the name of the specific disorders with autosomal recessive? | Tay-Sachs disease and cystic fibrosis. |
What is the standard information of sex-linked traits? | More males than females are affected. An affected son can have parents who have the normal phenotype. |
What is the standard information of sex-linked traits? 2 | For a female to have the characteristic, her dad must also have it. Her mom must have it or be a carrier. The characteristic often skips a generation from the grandfather to the grandson. If a woman has the characteristic, all of her sons will have it. |
What is the name of the specific disorders with sex linked traits? | Color blindness, Duchenne muscular dystrophy Fragile X syndrome, and Hemophilia |
Pauta Syndrome (disorder number and characteristic) | Trisomy 13 and Multiple defects with death by 1 to 3 months |
Edwards syndrome (disorder number and characteristic) | Trisomy 18 and Ear deformities,heart defects, spasticity, and other damage; death by age 1 |
Downs syndrome (disorder number and characteristic) | Trisomy 21 and folds of skin above the eye, varying degrees of mental retardation, short statures and cardiac deformities. |
Turner's Syndrome (disorder number and chracteristic) | XO and Short stature, webbed neck, sometimes slight mental retardation, ovaries degenerate in late embryonic life leading to rudimentary sexual characteristics. |
Klinefelters Syndrome (disorder number and characteristic) | XXY and slowly degenrating testis and have enlarged breasts. |
Jacobs Syndrome (disorder number and characteristic) | XYY and unusually tall with heavy acne, some tendency to mental retardation. |
Poly X syndrome (disorder number and characteristic) | XXX and despite 3 x chromosomes usually fertile, fairly normal females |
Tissue/structure of Ectoderm | nervous tissue and epidermis of skin |
Tissue/structure of Mesoderm | blood, muscles, bones, and other connective tissue derivatives |
Tissue/structure of Endoderm | epithelial lining of the digestive tract, respiratory tract, and several other organs; endothelial lining of blood vessels |
Define zygote | right after fertilization |
Define embryo | from fertilization through week 8 |
Define fetus | from week 9 till birth |
Define amniotic sac | surrounds the embryo thin membrane with fluid surrounds the embryo/fetus protection and supports the embryo |
Define yolk sac | initial surrounds the embryo get smaller over time eventually becomes the outer portion of the umbilical cord |
Define chorion | develops from the syncytiotrophoblast fetal portion of the placenta transfer ions (atoms) and small compounds to/from embryo/fetus and mom |
Define allantois | inner portion of the umbilical cord and Contains blood vessels transfer compounds to/from embryo/fetus and mom |
Define rods | allow vision in dim light |
Define cones | Allows color vision and high acuity |
Define amacrine cells | support the rods and cones |
Define bipolar cells | Generates/carries nerve impulses |
Define horizontal cells | supports the rods and cones |
Define optic nerve | carries info from the eye to the chiasma |
Define optic tract | sends info from chiasma to the brain |
Define optic chiasma | X shaped structure where the two optic nerves cross over each other |
Define thalamus | Relay center between sensory stimuli and cerebrum (expect smell) |
What is the function of the occipital lobe of the cerebrum? | vision |
What are the structures in the fibrous layer of the eye? | sclera and cornea |
Define sclera | Provides shape for eye, muscle attachment |
Define cornea | Protects eye, lets light enter |
Define choroid | Prevents scattering of light rays |
Define ciliary body | Support/Attachment of lens |
Define iris | Eye “Color” |
Define pupil | Center of Iris, Controls light entering eye |
Define retina | Ganglion Cells :Generates/carries nerve impulses Bipolar Cells :Generates/carries nerve impulses |
Define lens | Directs light retina |
Define anterior compartment with aqueous humor | Supplies nutrients to lens/cornea |
Define posterior compartment with vitreous humor | Transmits light, supports lens, and intra ocular eyeball pressure |
Define lacrimal glands | Produces lacrimal fluid |
Define eyebrows | Protects eye |
Define eye lashes | Protects eye |
Define eye ilds | Protects eye |
Define ovaries | Produces eggs (ova) and estrogen and progesterone |
Define uterine tubes | Site of fertilization, movement of ovum (unfertilized egg) or Zygote (fertilized egg) to uterus for implantation |
Define uterus | Menstruation, Implantation of a zygote, Development of embryo/fetus, Labor- birth of the fetus |
Define cervix | inferior portion of the uterus, connects to vagina |
Define vagina | Passage way into of the female reproductive system for sperm/penis to fertilize the egg, Passage way out of the female reproductive system for menstruation and fetus during birth |
Define mammary glands | Lactation (production and release) of milk after birth |
In the male vas deferens carries ___, the ejactulatory duct carries ___, and the urethra carries ____. | sperm, semen, semen and urine |
The functional unit of the kidney is the _____ and is composed of ____ tissue. | nephron, epithelial |
Define glomerulus | forms ultrafiltrate of plasma |
Define proximal convoluted tubule | bulk reaborptions of solutes and H2O and secreiton of solutes (except K+) and organic acids and bases |
Define descending Limp of Loop of Henle | bulk reabsorption of H2O. |
Define ascending Limb of Loop of Henle | reabsorption of NaCl |
Define clevage | rapid meiotic division of young embryo |
Define morula | young embryo resulting from clevage |
When and where does fertilization occur? | Fertilization occurs when the sperm penetrates the egg and this happens in the fallopian tubes. |
When and where does implantation occur? | Implantation occurs when the blastocyst is attached to the endometrium |
What is the structure of the nervous eye? | ciliary body and retina |
The renal corpuscle is composed of the ____ and the ____ and is the site of ___. | glomerulus, Bowman's Capsule, filtration |
When and where does implantation occur in the female reproductive system occur? | occurs after 5-6 days after fertilization in the uterus |
Define afferent arteriole | carries blood to the glomerulus |
Define efferent arteriole | carries blood away from the glomerulus |
Function of Bowman's capsule | filtration |
Function of proximal convoluted tubule | reabsorpttion |
Function of Ascednging/Descending Limb of Loop of Henle | concentration/dilution |
Function of Distal convoluted tubule | secretion |
Function of Collecting Duct | concentration/dilution |
Function of Vasa Recta | just a fancy name for the portion of the peritubular capillaries that surround the Loop of Henle |
Which part of the neprhon are under hormonal control? | The distal convoluted tubule and the collecting duct |
Which hormones control the parts of the nephrons under hormonal control? | The distal concoluted tubule=aldosterone Collecting duct=ADH |
What is the name of the anterior pituitary hormones in the testis? | FSH and LH |
What is the function of the anterior pituitary hormones inside the testis? | FSH produces sperm LH secretes testoterone |
Where is the specific site of function of the anterior pituitary hormones inside the testis? | FSH= seminiferous tubules LH=interstitial cells |
Define glomerulus | In the kidney, a tiny ball-shaped structure composed of capillary blood vessels actively involved in the filtration of the blood to form urine. |
Define blastocyst | its the continued development of the morula which then is implanted in the uterus. |