G-28 cLossARY consenital anomaly The abnormal structure or iosition of an organ at bhth, resulting from a iefect in prenataT development; a birth defect' connectivetiisue Atissue usuallycomposedof more extracellular than cellular volume and usuailv with a substantial amount of extracellular fiber; iorms supportive frameworks and capsules for organs, bindl structures togethen holds.them in plaie, stores energy (as in adipose tissue), or transports materials (as in blood). contralaieral On opposite sides of the body, as in reflex arcs wheie the stimulus comes from one side ofthe body and a response is given by muscles on the other side. Compare ipsilateral convergent Coming together, a;s|u:. a convergent muicle and a converging neuronal circuit' cornifled Having a heavy surface deposit of keratin' as in the stratum corneum of the epidermis' corona A halo- or crownlike structure, such as the corona radiata ot coronal suture ofthe skull. corond plane See frontal Plane. .oronn t-"di"tu l. An array of nerve tracts in the brain that arise mainly from the thalamus and fan out to different regions of the cerebral cortex' 2. The first layer of cuboidai cells immediately --external to the zona pellucida around an egg cell' coronary l. Crownlike; encircling. 2. Pertainingto the heart. coronary artery Either of two branching arteries that arise from the aorta near the heart and supply blood to the heart wall. coronary circulatlon A system ofblood vessels that serve the wall ofthe heart. (fig. 20.11) corpus 1. A body of tissue, such as the corpus iavernosum ofthe penis. 2. The principai part (bodv) of an orean iuch as the uterus or stomach, as opiosed to siraller regions of an organ such as its head, tail, fundus' or cervix. corpus callosum (COR-pus ca-LO-sum) A-prominent C-shaped band of nerve tracts that connect the right and left cerebral hemispheres to each other, seJn superior to the third ventricle in a median section ofthe brain. (fig, 15.2) corpus luteum A yellowish cellular mass that forms-in the ovary from a follicle that has ovulated; secretes Progesterone, hormonally regulates the s..ond half"ofthe menstrual cycle, and is essential to sustaining the first 7 weeks ofpregnancy' cortex (piural cortices) The outer layer of some organJ such as the adrenal gland, cerebrum,
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