ATI TEAS: Anatomy and Physiology Part 2
This flashcard set introduces foundational concepts in anatomy, including anatomical position, cells and their functions, directional terminology, and organ systems. It’s essential for building a basic understanding of human body structure and organization.
vagina
the tube that connects the external genitals to the cervix.
Key Terms
vagina
the tube that connects the external genitals to the cervix.
vas deferens
the duct in which sperm moves from a testicle to the urethra.
constrict
to become narrower.
dermis
the middle layer of the skin.
dilate
to become wider.
epidermis
the outer layer of the skin.
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| Term | Definition |
|---|---|
vagina | the tube that connects the external genitals to the cervix. |
vas deferens | the duct in which sperm moves from a testicle to the urethra. |
constrict | to become narrower. |
dermis | the middle layer of the skin. |
dilate | to become wider. |
epidermis | the outer layer of the skin. |
excretion | elimination of metabolic waste from the body. |
gland | an organ that secretes a substance. |
integumentary system | an organ system comprised of skin and its associated organs. |
skin | the thin layer of tissue that covers the body. |
subcutaneous | under the dermis |
sweat | perspiration excreted by sweat glands through the skin. |
adrenal | a gland above the kidney that produces hormones to regulate heart rate, blood pressure, and other functions. |
hormones | a chemical messenger produced by a gland and transported by the bloodstream that regulates specific processes in the body. |
parathyroid | an endocrine gland in the neck that produces parathyroid hormone. |
pineal gland | a small gland near the center of the brain that secretes melatonin. |
pituitary | the endocrine gland at the base of the brain that controls growth and development. |
thymus | the lymphoid organ that produced t-cells. |
thyroid gland | the gland in the neck that secretes hormones that regulate growth, development, and metabolic rate. |
cardiovascular system | the system comprised of the heart and blood vessels |
kidneys | the pair of organs that regulate fluid balance and filter waste from the blood. |
nephron | the part of the kidney responsible for filtering and excretion. |
renal arteries | the two branches of the abdominal aorta that supply the kidneys. |
renal cortex | the outer layer of the kidney. |
renal medulla | the innermost part of the kidney. |
renal pelvis | the center of the kidney where urine collects before moving to the ureter. |
renal vein | a vein carrying blood from a kidney to the inferior vena cava. |
renin | an enzyme released by the kidney when reduced blood pressure is detected by baroreceptors in aorta and carotid arteries. |
urea | the main nitrogenous part of urine. |
ureter | the duct that conducts urine from the kidney to the bladder. |
urinary bladder | the structure that stores urine in the body elimination. |
urine | liquid waster matter excreted by the kidneys. |
adaptive immune system | a kind of passive or active immunity in which antibodies to a particular antigen are present in the body. |
antibody | a blood protein that counteracts a specific antigen. |
antigens | substances on the surfaces of agents that act to identify them to the body, as being native or foreign. |
antigen presenting cel' (APC ) | a cell that displays foreign antigens with major histocompatibility complexes on their surfaces. |
antimicrobial | a substance that kills or inhibits growth of micro- organisms with minimal damage to the host. |
B cell | lymphocytes that mature in bone marrow and make antibodies in response to antigens. |
barrier | a divider between parts of the body. |
complement | a group of proteins in blood serum and plasma that works with antibodies to destroy particulate antigens. |
dendritic cell | antigen presenting cells that process antigen material and present it to T cells. |
immunoglobulin | an antibody |
innate immune system | a collection of nonspecific barriers and cellular responses that serve as an inborn first and second line of defense against pathogens. |
macrophage | a large white blood cell that ingests foreign material. |
memory cell | a lymphocyte that responds to an antigen upon reintroduction. |
phagocytosis | ingestion of particles by a cell or phagocyte. |
plasma cell | a white blood cell that produces a single type of antibody. |
T Cell | white blood cells that mature in the thymus and participate in immune response. |
bone | hard, calcified material that makes up the skeleton. |
brittle bone disease | a group of diseases that affect collagen and result in fragile bones. |
canaliculi | mircoscoping canals in ossified bone. |
cartilage | tough, elastic connective tissue found in parts of the body such as the ear. |
collagen | the primary structural protein of connective tissue. |
haversian canal | channels in bone that contain blood vessels and nerves |
lamellae | layers of bone, tissue, or cell walls. |
lining cells | flattened bones cells that come from osteoblasts. |
osteoarthritis | degenerative joint disease. |
osteoblasts | cells that make bone. |
osteoclasts | cells that remove bone. |
osteocytes | bone cells. |
osteons | cylindrical structures that comprise compact bone. |
osteoporosis | a disease that causes brittle, fragile bones. |
rheumatoid arthritis | a progressive disease that causes joint inflammation and pain. |
volkmann canal | channels in bone that transmits blood vessels and communicate with haversian canals. |